Index

A B C D E F G H I J K L M N O P R S T U V W X Z
All Classes and Interfaces|All Packages|Constant Field Values|Serialized Form

A

aad(String) - Static method in class zeroecho.core.ConfluxKeys

Returns a typed key for additional authenticated data (AAD).

Abbreviation rules - Search tag in class zeroecho.logging.CompactOneLineFormatter

Section

AbstractChunkTransformInputStream - Class in zeroecho.core.io

InputStream that transforms data in fixed-size chunks with optional finalization.

AbstractChunkTransformInputStream(InputStream, int, int, int) - Constructor for class zeroecho.core.io.AbstractChunkTransformInputStream

Constructs a new chunk-transforming input stream with symmetric input and output capacities.

AbstractChunkTransformInputStream(InputStream, int, int, int, int) - Constructor for class zeroecho.core.io.AbstractChunkTransformInputStream

Constructs a new chunk-transforming input stream with extra output headroom for finalization.

AbstractCryptoAlgorithm - Class in zeroecho.core.alg

Convenience base class for concrete CryptoAlgorithm implementations.

AbstractCryptoAlgorithm(String, String) - Constructor for class zeroecho.core.alg.AbstractCryptoAlgorithm

Constructs an algorithm with default priority (0) and provider "default".

AbstractCryptoAlgorithm(String, String, String) - Constructor for class zeroecho.core.alg.AbstractCryptoAlgorithm

Constructs an algorithm with default priority (0) and an explicit provider name.

Abstract EdDSA Encoded Private Key Builder - Search tag in class zeroecho.core.alg.common.eddsa.AbstractEncodedPrivateKeyBuilder

Section

Abstract EdDSA Encoded Public Key Builder - Search tag in class zeroecho.core.alg.common.eddsa.AbstractEncodedPublicKeyBuilder

Section

AbstractEdDSAKeyGenBuilder<S> - Class in zeroecho.core.alg.common.eddsa

Abstract EdDSA Key-Pair Builder

AbstractEdDSAKeyGenBuilder() - Constructor for class zeroecho.core.alg.common.eddsa.AbstractEdDSAKeyGenBuilder

Abstract EdDSA Key-Pair Builder - Search tag in class zeroecho.core.alg.common.eddsa.AbstractEdDSAKeyGenBuilder

Section

AbstractEncodedPrivateKeyBuilder<S> - Class in zeroecho.core.alg.common.eddsa

Abstract EdDSA Encoded Private Key Builder

AbstractEncodedPrivateKeyBuilder() - Constructor for class zeroecho.core.alg.common.eddsa.AbstractEncodedPrivateKeyBuilder

AbstractEncodedPublicKeyBuilder<S> - Class in zeroecho.core.alg.common.eddsa

Abstract EdDSA Encoded Public Key Builder

AbstractEncodedPublicKeyBuilder() - Constructor for class zeroecho.core.alg.common.eddsa.AbstractEncodedPublicKeyBuilder

AbstractExportableDataContent - Class in zeroecho.sdk.content.api

An abstract base class for exportable data content, providing default implementations for managing input data and export mode.

AbstractExportableDataContent() - Constructor for class zeroecho.sdk.content.api.AbstractExportableDataContent

AbstractPassthroughInputStream - Class in zeroecho.core.io

Passthrough InputStream that forwards body bytes and optionally emits a trailer at EOF.

AbstractPassthroughInputStream(InputStream, int) - Constructor for class zeroecho.core.io.AbstractPassthroughInputStream

Constructs a new passthrough stream with an internal buffer sized for body reads.

AbstractStreamingSignatureDataBuilder<KG,PUB,PRIV> - Class in zeroecho.sdk.builders.alg

A reusable streaming signature builder that signs or verifies data as it flows through an InputStream.

AbstractStreamingSignatureDataBuilder() - Constructor for class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

AbstractStreamingSignatureDataBuilder.Mode - Enum Class in zeroecho.sdk.builders.alg

Operating mode for the builder.

Adapter: using a KEM as a message-based agreement primitive - Search tag in class zeroecho.core.alg.common.agreement.KemMessageAgreementAdapter

Section

add(DataContentBuilder<? extends DataContent>) - Method in interface zeroecho.sdk.builders.core.DataContentChainBuilder

Adds a DataContentBuilder to the chain and links its output to the input of the previously added DataContent, if any.

add(DataContentBuilder<? extends DataContent>) - Method in class zeroecho.sdk.builders.core.DataContentChainBuilder.DefaultDataContentChainBuilder

addCapability(Capability) - Method in class zeroecho.core.CryptoAlgorithm

Adds a capability flag to this algorithm.

addOpener(EncryptionContext) - Method in class zeroecho.sdk.guard.MultiRecipientDataSourceBuilder

Adds a universal opener backed by a caller-supplied EncryptionContext.

addOpener(KemContext) - Method in class zeroecho.sdk.guard.MultiRecipientDataSourceBuilder

Adds a universal opener backed by a caller-supplied KemContext.

addOpener(RecipientOpener) - Method in class zeroecho.sdk.guard.MultiRecipientDataSourceBuilder

Adds a custom recipient opener used during decryption when scanning recipient entries.

addPasswordRecipient(char[], int, int, int) - Method in class zeroecho.sdk.guard.MultiRecipientDataSourceBuilder

Adds a password-based recipient that derives a KEK via PBKDF2(HMAC-SHA-256) and AES-GCM-wraps the CEK.

addPasswordRecipientDecoy(char[], int, int, int) - Method in class zeroecho.sdk.guard.MultiRecipientDataSourceBuilder

Adds a password-based decoy recipient that derives a KEK via PBKDF2(HMAC-SHA-256) and AES-GCM-wraps the CEK.

addRecipient(EncryptionContext) - Method in class zeroecho.sdk.guard.MultiRecipientDataSourceBuilder

Adds a universal recipient backed by a caller-supplied EncryptionContext.

addRecipient(KemContext, int, int) - Method in class zeroecho.sdk.guard.MultiRecipientDataSourceBuilder

Adds a universal recipient backed by a caller-supplied KemContext.

addRecipientDecoy(EncryptionContext) - Method in class zeroecho.sdk.guard.MultiRecipientDataSourceBuilder

Adds a universal decoy recipient backed by a caller-supplied EncryptionContext.

addRecipientDecoy(KemContext, int, int) - Method in class zeroecho.sdk.guard.MultiRecipientDataSourceBuilder

Adds a universal decoy recipient backed by a caller-supplied KemContext.

aes128() - Static method in record class zeroecho.core.alg.aes.AesKeyGenSpec

Constructs a spec for generating a 128-bit AES key.

aes192() - Static method in record class zeroecho.core.alg.aes.AesKeyGenSpec

Constructs a spec for generating a 192-bit AES key.

aes256() - Static method in record class zeroecho.core.alg.aes.AesKeyGenSpec

Constructs a spec for generating a 256-bit AES key.

AesAlgorithm - Class in zeroecho.core.alg.aes

AES algorithm registration and capability wiring.

AesAlgorithm() - Constructor for class zeroecho.core.alg.aes.AesAlgorithm

Constructs the AES algorithm descriptor and performs capability registration.

AesCipherContext - Class in zeroecho.core.alg.aes

Streaming AES cipher context for GCM / CBC / CTR.

AesCipherContext(CryptoAlgorithm, SecretKey, boolean, AesSpec, SecureRandom) - Constructor for class zeroecho.core.alg.aes.AesCipherContext

Creates a new AES streaming context.

AesDataContentBuilder - Class in zeroecho.sdk.builders.alg

Fluent builder that exposes AES as a DataContent in pull‑mode.

AesHeaderCodec - Class in zeroecho.core.alg.aes

Minimal AES header codec that persists runtime parameters only:

AesHeaderCodec() - Constructor for class zeroecho.core.alg.aes.AesHeaderCodec

AesKeyGenSpec - Record Class in zeroecho.core.alg.aes

Key generation parameters for AES.

AesKeyGenSpec(int) - Constructor for record class zeroecho.core.alg.aes.AesKeyGenSpec

Creates a new spec and validates the key size.

AesKeyImportSpec - Class in zeroecho.core.alg.aes

Specification for importing an existing AES key.

AesSpec - Class in zeroecho.core.alg.aes

Static configuration for AES encryption and decryption.

AesSpec.Builder - Class in zeroecho.core.alg.aes

Builder for AesSpec.

AesSpec.Mode - Enum Class in zeroecho.core.alg.aes

AES block modes supported by this implementation.

AesSpec.Padding - Enum Class in zeroecho.core.alg.aes

Padding schemes for CBC mode.

AGREEMENT - Enum constant in enum class zeroecho.core.AlgorithmFamily

Key-agreement schemes such as ECDH/X25519.

AGREEMENT - Enum constant in enum class zeroecho.core.KeyUsage

Perform key agreement (e.g., X25519, ECDH).

AgreementContext - Interface in zeroecho.core.context

Context for performing key agreement protocols using a private key and a peer's public key.

algorithm - Variable in class zeroecho.core.alg.chacha.ChaChaCipherContext

Algorithm definition that created this context.

algorithm() - Method in class zeroecho.core.alg.aes.AesCipherContext

Returns the algorithm descriptor (ID "AES").

algorithm() - Method in class zeroecho.core.alg.bike.BikeKemContext

Returns the algorithm that created this context.

algorithm() - Method in class zeroecho.core.alg.chacha.ChaChaCipherContext

Returns the algorithm that created this context.

algorithm() - Method in class zeroecho.core.alg.cmce.CmceKemContext

Returns the parent algorithm descriptor for this context.

algorithm() - Method in class zeroecho.core.alg.common.agreement.GenericJcaAgreementContext

Returns the CryptoAlgorithm that created this context.

algorithm() - Method in class zeroecho.core.alg.common.agreement.KemMessageAgreementAdapter

Returns the underlying algorithm descriptor.

algorithm() - Method in class zeroecho.core.alg.common.eddsa.CommonEdDSASignatureContext

Returns the algorithm associated with this context.

algorithm() - Method in class zeroecho.core.alg.common.sig.GenericJcaSignatureContext

Returns the logical algorithm associated with this context.

algorithm() - Method in class zeroecho.core.alg.digest.DigestSpec

Returns the digest algorithm.

algorithm() - Method in class zeroecho.core.alg.digest.JcaDigestContext

Returns the CryptoAlgorithm definition that created this context.

algorithm() - Method in class zeroecho.core.alg.elgamal.ElgamalCipherContext

Returns the associated algorithm object for metadata and auditing.

algorithm() - Method in class zeroecho.core.alg.frodo.FrodoKemContext

Returns the associated algorithm descriptor.

algorithm() - Method in class zeroecho.core.alg.hmac.HmacMacContext

Returns the algorithm descriptor associated with this context.

algorithm() - Method in class zeroecho.core.alg.hqc.HqcKemContext

Returns the algorithm that created this context.

algorithm() - Method in class zeroecho.core.alg.kyber.KyberKemContext

Returns the algorithm descriptor associated with this context.

algorithm() - Method in class zeroecho.core.alg.ntru.NtruKemContext

Returns the algorithm descriptor that created this context.

algorithm() - Method in class zeroecho.core.alg.ntruprime.NtrulPrimeKemContext

Returns the algorithm that owns this context.

algorithm() - Method in class zeroecho.core.alg.ntruprime.SntruPrimeKemContext

Returns the algorithm that owns this context.

algorithm() - Method in class zeroecho.core.alg.rsa.RsaCipherContext

Returns the algorithm descriptor associated with this context.

algorithm() - Method in class zeroecho.core.alg.rsa.RsaSignatureContext

Returns the algorithm descriptor associated with this context.

algorithm() - Method in class zeroecho.core.alg.saber.SaberKemContext

Returns the algorithm that created this context.

algorithm() - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusSignatureContext

Returns the algorithm associated with this context.

algorithm() - Method in interface zeroecho.core.context.CryptoContext

Returns the algorithm that created this context.

algorithm() - Method in record class zeroecho.core.storage.KeyringStore.PrivateWithId

Returns the value of the algorithm record component.

algorithm() - Method in record class zeroecho.core.storage.KeyringStore.PublicWithId

Returns the value of the algorithm record component.

algorithm() - Method in record class zeroecho.core.storage.KeyringStore.Record

Returns the value of the algorithm record component.

algorithm() - Method in record class zeroecho.core.storage.KeyringStore.SecretWithId

Returns the value of the algorithm record component.

Algorithm and characteristics - Search tag in class zeroecho.sdk.integrations.stegano.LSBSteganographyMethod

Section

Algorithm characteristics - Search tag in class zeroecho.core.alg.ed25519.Ed25519SignatureContext

Section

Algorithm characteristics - Search tag in class zeroecho.core.alg.ed448.Ed448SignatureContext

Section

AlgorithmFamily - Enum Class in zeroecho.core

High-level classification of cryptographic algorithms.

algorithmId() - Method in record class zeroecho.core.Capability

Returns the value of the algorithmId record component.

AlgorithmKeySpec - Interface in zeroecho.core.spec

Marker interface for algorithm-specific key specifications.

Algorithm model - Search tag in package zeroecho.core

Section

algorithmName() - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Returns the canonical algorithm name used to resolve an implementation from CryptoAlgorithms.

algorithmName() - Method in class zeroecho.sdk.builders.alg.EcdsaDataContentBuilder

Returns the algorithm name used to resolve an implementation from CryptoAlgorithms.

algorithmName() - Method in class zeroecho.sdk.builders.alg.Ed25519DataContentBuilder

Returns the canonical algorithm name used to resolve an implementation from CryptoAlgorithms.

algorithmName() - Method in class zeroecho.sdk.builders.alg.Ed448DataContentBuilder

Returns the canonical algorithm name used to resolve an implementation from CryptoAlgorithms.

algorithmName() - Method in class zeroecho.sdk.builders.alg.SphincsPlusDataContentBuilder

Returns the algorithm identifier used to resolve the implementation from CryptoAlgorithms.

Algorithm selection - Search tag in class zeroecho.core.alg.digest.DigestSpec

Section

alias() - Method in record class zeroecho.core.storage.KeyringStore.Record

Returns the value of the alias record component.

aliases() - Method in class zeroecho.core.storage.KeyringStore

Returns all aliases currently present in insertion order.

asInitiator() - Method in class zeroecho.core.alg.common.agreement.KemMessageAgreementAdapter.Builder

Configures the adapter as an initiator.

asResponder() - Method in class zeroecho.core.alg.common.agreement.KemMessageAgreementAdapter.Builder

Configures the adapter as a responder.

ASYMMETRIC - Enum constant in enum class zeroecho.core.AlgorithmFamily

Public-key primitives (signatures, RSA, etc.).

asymmetricBuildersInfo() - Method in class zeroecho.core.CryptoAlgorithm

Returns metadata about all registered asymmetric builders.

asymmetricKeyBuilder(Class<S>) - Method in class zeroecho.core.CryptoAlgorithm

Returns the asymmetric key builder associated with the given spec type.

AsymmetricKeyBuilder<S> - Interface in zeroecho.core.spi

Factory interface for constructing asymmetric key pairs and importing public/private keys from specifications.

attach(InputStream) - Method in class zeroecho.core.alg.aes.AesCipherContext

Attaches this context to an upstream stream and returns a transforming stream.

attach(InputStream) - Method in class zeroecho.core.alg.chacha.ChaChaCipherContext

Attaches this context to an upstream input stream and returns a transformation stream.

attach(InputStream) - Method in class zeroecho.core.alg.elgamal.ElgamalCipherContext

Returns an input stream that transforms bytes on-the-fly using ElGamal.

attach(InputStream) - Method in class zeroecho.core.alg.rsa.RsaCipherContext

Attaches this cipher to an upstream stream and returns a transforming stream.

attach(InputStream) - Method in interface zeroecho.core.context.EncryptionContext

Attaches this context to an upstream input stream.

audit() - Static method in class zeroecho.core.CryptoAlgorithms

Returns the current global AuditListener.

AuditedContexts - Class in zeroecho.core.audit

Lightweight dynamic proxy that audits crypto contexts without changing their behavior.

Auditing - Search tag in class zeroecho.core.CryptoAlgorithms

Section

AuditListener - Interface in zeroecho.core.audit

Listener for structured audit events emitted by audited crypto contexts.

available() - Static method in class zeroecho.core.CryptoAlgorithms

Returns the set of available algorithm identifiers discovered via ServiceLoader.

available() - Method in class zeroecho.core.io.TailStrippingInputStream

Returns an estimate of the number of bytes that can be read without blocking.

B

baos - Variable in class zeroecho.sdk.util.OutputToInputStreamAdapter

A buffer holding transformed data.

Base64Stream - Class in zeroecho.sdk.content.export

A streaming InputStream that encodes binary input data into Base64 format with optional line prefixes and suffixes for each encoded line.

Base64Stream(InputStream, byte[], int, byte[]) - Constructor for class zeroecho.sdk.content.export.Base64Stream

Constructs a new Base64Stream.

BASH_SCRIPT - Enum constant in enum class zeroecho.sdk.content.api.ExportableDataContent.ExportMode

Bash script mode returns a shell script with embedded Base64-encoded content, suitable for execution on Unix-like systems.

Basic usage - Search tag in class zeroecho.core.storage.KeyringStore

Section

Behavior - Search tag in class zeroecho.core.alg.chacha.ChaChaHeaderCodec

Section

Behavior - Search tag in class zeroecho.core.alg.rsa.RsaCipherContext

Section

Behavior - Search tag in class zeroecho.core.alg.xdh.XdhAlgorithm

Section

Behavior - Search tag in package zeroecho.sdk.content.builtin

Section

Behavioral guarantees - Search tag in class zeroecho.core.audit.AuditedContexts

Section

Behavioral notes - Search tag in class zeroecho.core.io.TailStrippingInputStream

Section

Behavior and notes - Search tag in package zeroecho.core.alg.xdh

Section

Behavior of #build(boolean) - Search tag in class zeroecho.sdk.builders.alg.ChaChaDataContentBuilder

Section

BIKE_128 - Enum constant in enum class zeroecho.core.alg.bike.BikeKeyGenSpec.Variant

BIKE with 128-bit security strength.

BIKE_192 - Enum constant in enum class zeroecho.core.alg.bike.BikeKeyGenSpec.Variant

BIKE with 192-bit security strength.

BIKE_256 - Enum constant in enum class zeroecho.core.alg.bike.BikeKeyGenSpec.Variant

BIKE with 256-bit security strength.

bike128() - Static method in class zeroecho.core.alg.bike.BikeKeyGenSpec

Returns a specification for BIKE-128.

bike192() - Static method in class zeroecho.core.alg.bike.BikeKeyGenSpec

Returns a specification for BIKE-192.

bike256() - Static method in class zeroecho.core.alg.bike.BikeKeyGenSpec

Returns a specification for BIKE-256.

BikeAlgorithm - Class in zeroecho.core.alg.bike

Integration of BIKE (Bit Flipping Key Encapsulation) algorithm

BikeAlgorithm() - Constructor for class zeroecho.core.alg.bike.BikeAlgorithm

Constructs and registers the BIKE algorithm with all its roles and key builders.

BikeKemContext - Class in zeroecho.core.alg.bike

BIKE Key Encapsulation Mechanism context

BikeKemContext(CryptoAlgorithm, PrivateKey) - Constructor for class zeroecho.core.alg.bike.BikeKemContext

Creates a decapsulation context bound to the holder's private key.

BikeKemContext(CryptoAlgorithm, PublicKey) - Constructor for class zeroecho.core.alg.bike.BikeKemContext

Creates an encapsulation context bound to the recipient's public key.

BIKE Key Encapsulation Mechanism context - Search tag in class zeroecho.core.alg.bike.BikeKemContext

Section

BikeKeyGenSpec - Class in zeroecho.core.alg.bike

Specification for BIKE key generation

BikeKeyGenSpec.Variant - Enum Class in zeroecho.core.alg.bike

Available BIKE parameter sets.

BikePrivateKeySpec - Class in zeroecho.core.alg.bike

Specification for a BIKE private key

BikePrivateKeySpec(byte[]) - Constructor for class zeroecho.core.alg.bike.BikePrivateKeySpec

Constructs a new spec from a PKCS#8 encoded private key.

BikePublicKeySpec - Class in zeroecho.core.alg.bike

Specification for a BIKE public key

BikePublicKeySpec(byte[]) - Constructor for class zeroecho.core.alg.bike.BikePublicKeySpec

Constructs a new spec from an X.509 encoded public key.

bind(KeyUsage, Class<C>, Class<K>, Class<S>, ContextConstructorKS<C, K, S>, Supplier<? extends S>) - Method in class zeroecho.core.CryptoAlgorithm

Binds a role to a concrete context factory and its expected key/spec types.

bits - Variable in enum class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec.Security

Claimed security level in bits.

BlockGeometry - Class in zeroecho.core.alg.rsa

Describes block sizing rules for RSA encryption and decryption.

BlockGeometry(int, int, int) - Constructor for class zeroecho.core.alg.rsa.BlockGeometry

Constructs a new block geometry descriptor.

Block sizing - Search tag in class zeroecho.core.io.CipherTransformInputStreamBuilder

Section

BMP - Enum constant in enum class zeroecho.sdk.integrations.stegano.ImageFormat

Bitmap format.

BouncyCastleActivator - Class in zeroecho.sdk.util

Provides initialization support for the Bouncy Castle cryptographic provider.

BUF_SIZE - Variable in class zeroecho.sdk.util.OutputToInputStreamAdapter

Buffer size in bytes used by this instance.

buffer - Variable in class zeroecho.sdk.content.builtin.PlainBytes

Byte array buffer that holds the raw data managed by this instance.

bufferSize(int) - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Sets the internal streaming buffer size used when consuming input.

bufferSize(int) - Method in class zeroecho.sdk.builders.alg.DigestDataContentBuilder

Sets the internal buffer size used by the tail-stripping wrapper.

bufferSize(int) - Method in class zeroecho.sdk.builders.TagTrailerDataContentBuilder

Sets the internal I/O buffer size used when stripping the trailer.

Buffer sizing and finalization headroom - Search tag in class zeroecho.core.io.AbstractChunkTransformInputStream

Section

build() - Method in class zeroecho.core.alg.aes.AesSpec.Builder

Builds a validated AesSpec.

build() - Method in class zeroecho.core.alg.chacha.ChaCha20Poly1305Spec.Builder

Builds an immutable ChaCha20Poly1305Spec.

build() - Method in class zeroecho.core.alg.chacha.ChaChaSpec.Builder

Builds an immutable ChaChaSpec.

build() - Method in class zeroecho.core.alg.common.agreement.KemMessageAgreementAdapter.Builder

Builds the adapter.

build() - Method in class zeroecho.core.audit.JulAuditListenerStd.Builder

Builds a new JulAuditListenerStd instance with the current settings.

build() - Method in class zeroecho.core.io.CipherTransformInputStreamBuilder

Builds a chunk-transforming InputStream using the configured options.

build() - Method in interface zeroecho.sdk.builders.core.DataContentChainBuilder

Finalizes the chain and returns the tail DataContent instance.

build() - Method in class zeroecho.sdk.builders.core.DataContentChainBuilder.DefaultDataContentChainBuilder

build(boolean) - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Builds the configured streaming signature pipeline as PlainContent.

build(boolean) - Method in class zeroecho.sdk.builders.alg.AesDataContentBuilder

Builds an encrypting or decrypting DataContent.

build(boolean) - Method in class zeroecho.sdk.builders.alg.ChaChaDataContentBuilder

Builds a streaming encryption or decryption pipeline according to the current configuration.

build(boolean) - Method in class zeroecho.sdk.builders.alg.DigestDataContentBuilder

Builds a digest-computing PlainContent according to the current configuration.

build(boolean) - Method in class zeroecho.sdk.builders.alg.ElgamalEncDataContentBuilder

Builds a streaming encryption or decryption pipeline according to the current configuration.

build(boolean) - Method in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Builds a digesting or verifying PlainContent pipeline according to the current configuration.

build(boolean) - Method in class zeroecho.sdk.builders.alg.KemDataContentBuilder

Builds the KEM envelope stage in either encryption or decryption mode.

build(boolean) - Method in class zeroecho.sdk.builders.alg.RsaEncDataContentBuilder

Builds a streaming encryption or decryption pipeline according to the current configuration.

build(boolean) - Method in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Builds a streaming signing or verification pipeline according to the current configuration.

build(boolean) - Method in interface zeroecho.sdk.builders.core.DataContentBuilder

Constructs and returns a new DataContent instance based on the builder's current configuration.

build(boolean) - Method in class zeroecho.sdk.builders.core.PlainBytesBuilder.DefaultPlainBytesBuilder

build(boolean) - Method in class zeroecho.sdk.builders.core.PlainFileBuilder.DefaultPlainFileBuilder

build(boolean) - Method in class zeroecho.sdk.builders.core.PlainStringBuilder.DefaultPlainStringBuilder

build(boolean) - Method in class zeroecho.sdk.builders.TagTrailerDataContentBuilder

Builds a DataContent pipeline for the selected direction.

build(boolean) - Method in class zeroecho.sdk.guard.MultiRecipientDataSourceBuilder

Builds either an encrypting or a decrypting content wrapper depending on the encrypt flag.

Build a streaming AES/GCM transform - Search tag in package zeroecho.core.io

Section

builder() - Static method in class zeroecho.core.alg.aes.AesSpec

Returns a new builder with safe defaults (AesSpec.Mode.GCM, AesSpec.Padding.NOPADDING, 128‑bit tag, no header).

builder() - Static method in class zeroecho.core.alg.chacha.ChaCha20Poly1305Spec

Returns a new builder for ChaCha20Poly1305Spec.

builder() - Static method in class zeroecho.core.alg.chacha.ChaChaSpec

Returns a new builder for constructing a ChaChaSpec.

builder() - Static method in class zeroecho.core.alg.common.agreement.KemMessageAgreementAdapter

Returns a new builder for constructing a KemMessageAgreementAdapter.

builder() - Static method in class zeroecho.core.audit.JulAuditListenerStd

Creates a new builder with sensible defaults.

builder() - Static method in class zeroecho.core.io.CipherTransformInputStreamBuilder

Returns a new builder instance with default settings.

builder() - Static method in class zeroecho.sdk.builders.alg.AesDataContentBuilder

Creates a new AES builder with default spec (GCM/128, no header) and no key selected.

builder() - Static method in class zeroecho.sdk.builders.alg.ChaChaDataContentBuilder

Returns a new builder instance for constructing ChaCha20 or ChaCha20-Poly1305 streaming pipelines.

builder() - Static method in class zeroecho.sdk.builders.alg.DigestDataContentBuilder

Creates a new builder for constructing digest-computing PlainContent pipelines.

builder() - Static method in class zeroecho.sdk.builders.alg.EcdsaDataContentBuilder

Creates a new builder instance with the default curve selection.

builder() - Static method in class zeroecho.sdk.builders.alg.Ed25519DataContentBuilder

Creates a new builder instance for constructing Ed25519 streaming signature pipelines.

builder() - Static method in class zeroecho.sdk.builders.alg.Ed448DataContentBuilder

Creates a new builder instance for constructing Ed448 streaming signature pipelines.

builder() - Static method in class zeroecho.sdk.builders.alg.ElgamalEncDataContentBuilder

Creates a new builder for constructing ElGamal encryption or decryption pipelines.

builder() - Static method in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Creates a new builder for constructing HMAC computing or verifying pipelines.

builder() - Static method in class zeroecho.sdk.builders.alg.KemDataContentBuilder

Returns a new KemDataContentBuilder.

builder() - Static method in class zeroecho.sdk.builders.alg.RsaEncDataContentBuilder

Creates a new builder for constructing RSA encryption or decryption pipelines.

builder() - Static method in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Creates a new builder for constructing RSA signing or verification pipelines.

builder() - Static method in class zeroecho.sdk.builders.alg.SphincsPlusDataContentBuilder

Creates a new builder for constructing SPHINCS+ streaming signature pipelines.

builder() - Static method in interface zeroecho.sdk.builders.core.PlainBytesBuilder

Creates a new instance of the default builder implementation.

builder() - Static method in interface zeroecho.sdk.builders.core.PlainFileBuilder

Creates a new instance of the default builder implementation.

builder() - Static method in interface zeroecho.sdk.builders.core.PlainStringBuilder

Creates a new instance of the default builder implementation.

builder() - Static method in class zeroecho.sdk.guard.MultiRecipientDataSourceBuilder

Creates a new builder for constructing a multi-recipient data source.

Builder() - Constructor for class zeroecho.core.alg.aes.AesSpec.Builder

Builder() - Constructor for class zeroecho.core.alg.chacha.ChaCha20Poly1305Spec.Builder

Builder() - Constructor for class zeroecho.core.alg.chacha.ChaChaSpec.Builder

Builder() - Constructor for class zeroecho.core.alg.common.agreement.KemMessageAgreementAdapter.Builder

Builder() - Constructor for class zeroecho.core.audit.JulAuditListenerStd.Builder

Builders - Search tag in package zeroecho.core.tag

Section

Builders overview - Search tag in package zeroecho.sdk.builders.alg

Section

buildRecipientEntry(byte[]) - Method in class zeroecho.sdk.guard.EncCtxRecipient

Builds a recipient entry for the given content-encryption key (CEK).

buildRecipientEntry(byte[]) - Method in class zeroecho.sdk.guard.KemCtxRecipient

Builds a recipient entry for the given content-encryption key (CEK).

buildRecipientEntry(byte[]) - Method in class zeroecho.sdk.guard.PasswordRecipient

Builds the recipient entry blob for this password recipient.

buildRecipientEntry(byte[]) - Method in interface zeroecho.sdk.guard.Recipient

Builds the binary recipient entry for this recipient and the provided CEK.

bytes(byte[]) - Method in interface zeroecho.sdk.builders.core.PlainBytesBuilder

Sets the byte array content to be wrapped by PlainBytes.

bytes(byte[]) - Method in class zeroecho.sdk.builders.core.PlainBytesBuilder.DefaultPlainBytesBuilder

ByteVerificationStrategy - Class in zeroecho.core.tag

Verification strategy for comparing two byte arrays in constant time.

ByteVerificationStrategy() - Constructor for class zeroecho.core.tag.ByteVerificationStrategy

C

Canonical sizes (bytes) - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusSignatureContext

Section

Capabilities - Search tag in class zeroecho.core.CryptoAlgorithm

Section

Capabilities - Search tag in class zeroecho.core.alg.bike.BikeAlgorithm

Section

Capabilities - Search tag in class zeroecho.core.alg.chacha.ChaCha20Poly1305Algorithm

Section

Capabilities - Search tag in class zeroecho.core.alg.chacha.ChaChaAlgorithm

Section

Capabilities - Search tag in class zeroecho.core.alg.digest.Sha2Sha3Algorithm

Section

Capabilities - Search tag in class zeroecho.core.alg.ecdh.EcdhAlgorithm

Section

Capabilities - Search tag in class zeroecho.core.alg.ed25519.Ed25519Algorithm

Section

Capabilities - Search tag in class zeroecho.core.alg.frodo.FrodoAlgorithm

Section

Capabilities - Search tag in class zeroecho.core.alg.hmac.HmacAlgorithm

Section

Capabilities - Search tag in class zeroecho.core.alg.ntruprime.NtrulPrimeAlgorithm

Section

Capabilities - Search tag in class zeroecho.core.alg.ntruprime.SntruPrimeAlgorithm

Section

Capabilities - Search tag in class zeroecho.core.alg.rsa.RsaAlgorithm

Section

Capabilities - Search tag in class zeroecho.core.alg.saber.SaberAlgorithm

Section

Capabilities - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusAlgorithm

Section

Capabilities registered - Search tag in class zeroecho.core.alg.ntru.NtruAlgorithm

Section

capability(AlgorithmFamily, KeyUsage, Class<C>, Class<K>, Class<S>, ContextConstructorKS<C, K, S>, Supplier<? extends S>) - Method in class zeroecho.core.alg.AbstractCryptoAlgorithm

Declares a capability for this algorithm and binds a runtime factory for the given role.

Capability - Record Class in zeroecho.core

Immutable descriptor of an algorithm capability.

Capability(String, AlgorithmFamily, KeyUsage, Class<? extends CryptoContext>, Class<? extends Key>, Class<? extends ContextSpec>, Supplier<? extends ContextSpec>) - Constructor for record class zeroecho.core.Capability

Creates a new capability descriptor.

Capability binding - Search tag in package zeroecho.core.alg

Section

Capacity - Search tag in class zeroecho.sdk.integrations.stegano.LSBSteganographyMethod

Section

CatalogSelector - Class in zeroecho.core

Helper routines for catalog selection by family and roles.

CBC - Enum constant in enum class zeroecho.core.alg.aes.AesSpec.Mode

Cipher Block Chaining (CBC).

cbcPkcs7(SymmetricHeaderCodec) - Static method in class zeroecho.core.alg.aes.AesSpec

Creates a CBC specification using PKCS#7 padding and the provided header.

certainty() - Method in class zeroecho.core.alg.elgamal.ElgamalKeyGenSpec

Returns the Miller–Rabin certainty parameter.

chacha20(SymmetricHeaderCodec) - Static method in class zeroecho.core.alg.chacha.ChaChaSpec

Convenience factory for a ChaCha20 spec with counter = 1.

ChaCha20 (stream) algorithm - Search tag in class zeroecho.core.alg.chacha.ChaChaAlgorithm

Section

ChaCha20 cipher context (stream) - Search tag in class zeroecho.core.alg.chacha.ChaChaCipherContext

Section

ChaCha20 key generation specification - Search tag in record class zeroecho.core.alg.chacha.ChaChaKeyGenSpec

Section

ChaCha20 key import specification - Search tag in class zeroecho.core.alg.chacha.ChaChaKeyImportSpec

Section

ChaCha20-Poly1305 (AEAD) algorithm - Search tag in class zeroecho.core.alg.chacha.ChaCha20Poly1305Algorithm

Section

ChaCha20Poly1305Algorithm - Class in zeroecho.core.alg.chacha

ChaCha20-Poly1305 (AEAD) algorithm

ChaCha20Poly1305Algorithm() - Constructor for class zeroecho.core.alg.chacha.ChaCha20Poly1305Algorithm

Creates and registers the ChaCha20-Poly1305 AEAD algorithm with encryption/decryption capabilities for ChaCha20Poly1305Spec and VoidSpec defaults.

ChaCha20-Poly1305 algorithm specification - Search tag in class zeroecho.core.alg.chacha.ChaCha20Poly1305Spec

Section

ChaCha20Poly1305HeaderCodec - Class in zeroecho.core.alg.chacha

ChaCha20-Poly1305 streaming header codec

ChaCha20Poly1305HeaderCodec() - Constructor for class zeroecho.core.alg.chacha.ChaCha20Poly1305HeaderCodec

ChaCha20Poly1305Spec - Class in zeroecho.core.alg.chacha

ChaCha20-Poly1305 algorithm specification

ChaCha20Poly1305Spec.Builder - Class in zeroecho.core.alg.chacha

Fluent builder for ChaCha20Poly1305Spec.

ChaCha20-Poly1305 streaming header codec - Search tag in class zeroecho.core.alg.chacha.ChaCha20Poly1305HeaderCodec

Section

ChaCha20 stream cipher specification - Search tag in class zeroecho.core.alg.chacha.ChaChaSpec

Section

ChaCha20 streaming header codec - Search tag in class zeroecho.core.alg.chacha.ChaChaHeaderCodec

Section

chacha256() - Static method in record class zeroecho.core.alg.chacha.ChaChaKeyGenSpec

Returns the standard 256-bit key generation spec.

ChaChaAlgorithm - Class in zeroecho.core.alg.chacha

ChaCha20 (stream) algorithm

ChaChaAlgorithm() - Constructor for class zeroecho.core.alg.chacha.ChaChaAlgorithm

Creates and registers the ChaCha20 stream cipher, declaring encryption and decryption capabilities for ChaChaSpec and VoidSpec.

ChaChaBaseSpec - Interface in zeroecho.core.alg.chacha

ChaCha base specification marker

ChaCha base specification marker - Search tag in interface zeroecho.core.alg.chacha.ChaChaBaseSpec

Section

ChaChaCipherContext - Class in zeroecho.core.alg.chacha

ChaCha20 cipher context (stream)

ChaChaCipherContext(CryptoAlgorithm, SecretKey, boolean, ChaChaSpec, SecureRandom) - Constructor for class zeroecho.core.alg.chacha.ChaChaCipherContext

Creates a ChaCha20 context.

ChaChaDataContentBuilder - Class in zeroecho.sdk.builders.alg

ChaChaDataContentBuilder builds streaming ChaCha20 and ChaCha20-Poly1305 pipelines that encrypt or decrypt as an InputStream is consumed.

ChaChaHeaderCodec - Class in zeroecho.core.alg.chacha

ChaCha20 streaming header codec

ChaChaHeaderCodec() - Constructor for class zeroecho.core.alg.chacha.ChaChaHeaderCodec

ChaChaKeyGenSpec - Record Class in zeroecho.core.alg.chacha

ChaCha20 key generation specification

ChaChaKeyGenSpec(int) - Constructor for record class zeroecho.core.alg.chacha.ChaChaKeyGenSpec

Constructs a new ChaCha20 key generation spec.

ChaChaKeyImportSpec - Class in zeroecho.core.alg.chacha

ChaCha20 key import specification

ChaChaSpec - Class in zeroecho.core.alg.chacha

ChaCha20 stream cipher specification

ChaChaSpec.Builder - Class in zeroecho.core.alg.chacha

Fluent builder for ChaChaSpec.

Chaining model - Search tag in package zeroecho.sdk.builders

Section

Chaining model - Search tag in package zeroecho.sdk.builders.core

Section

ciphertext() - Method in class zeroecho.core.context.KemContext.KemResult

Returns the encapsulation ciphertext.

CipherTransformInputStreamBuilder - Class in zeroecho.core.io

Builder for chunk-transforming InputStreams backed by a Cipher.

Classic McEliece (CMCE) algorithm adapter - Search tag in class zeroecho.core.alg.cmce.CmceAlgorithm

Section

Classic McEliece (CMCE) KEM context - Search tag in class zeroecho.core.alg.cmce.CmceKemContext

Section

Classic McEliece (CMCE) private key specification - Search tag in class zeroecho.core.alg.cmce.CmcePrivateKeySpec

Section

Classic McEliece (CMCE) public key specification - Search tag in class zeroecho.core.alg.cmce.CmcePublicKeySpec

Section

ClasspathJulConfig - Class in zeroecho.logging

Configures java.util.logging (JUL) from a jul.properties resource on the classpath.

ClasspathJulConfig() - Constructor for class zeroecho.logging.ClasspathJulConfig

Loads jul.properties from the classpath and applies it as the current LogManager configuration.

close() - Method in class zeroecho.core.alg.aes.AesCipherContext

close() - Method in class zeroecho.core.alg.bike.BikeKemContext

Releases resources associated with this context.

close() - Method in class zeroecho.core.alg.chacha.ChaChaCipherContext

Releases context resources.

close() - Method in class zeroecho.core.alg.cmce.CmceKemContext

Releases resources held by this context.

close() - Method in class zeroecho.core.alg.common.agreement.GenericJcaAgreementContext

Closes this context.

close() - Method in class zeroecho.core.alg.common.agreement.KemMessageAgreementAdapter

Closes the underlying KEM context if it is closeable.

close() - Method in class zeroecho.core.alg.common.eddsa.CommonEdDSASignatureContext

Releases resources associated with this context.

close() - Method in class zeroecho.core.alg.common.sig.GenericJcaSignatureContext

Closes the active wrapped stream, if any, suppressing IOException.

close() - Method in class zeroecho.core.alg.digest.JcaDigestContext

Closes the active digest stream if one was opened.

close() - Method in class zeroecho.core.alg.elgamal.ElgamalCipherContext

Closes this context.

close() - Method in class zeroecho.core.alg.frodo.FrodoKemContext

Closes the context and releases any held resources.

close() - Method in class zeroecho.core.alg.hmac.HmacMacContext

Closes the active wrapped stream, if any.

close() - Method in class zeroecho.core.alg.hqc.HqcKemContext

Closes this context.

close() - Method in class zeroecho.core.alg.kyber.KyberKemContext

Closes this context.

close() - Method in class zeroecho.core.alg.ntru.NtruKemContext

Closes this context.

close() - Method in class zeroecho.core.alg.ntruprime.NtrulPrimeKemContext

Closes this context and releases any resources.

close() - Method in class zeroecho.core.alg.ntruprime.SntruPrimeKemContext

Closes this context and releases any resources.

close() - Method in class zeroecho.core.alg.rsa.RsaCipherContext

Closes the context and releases resources.

close() - Method in class zeroecho.core.alg.rsa.RsaSignatureContext

Closes the context and its active stream if present.

close() - Method in class zeroecho.core.alg.saber.SaberKemContext

Closes the context and releases resources.

close() - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusSignatureContext

Closes this context and releases underlying resources.

close() - Method in interface zeroecho.core.context.CryptoContext

Closes this context and releases all associated resources.

close() - Method in class zeroecho.core.io.AbstractPassthroughInputStream

Drains remaining data (including any trailer) and then closes the upstream stream.

close() - Method in class zeroecho.core.io.TailStrippingInputStream

Closes this stream and the underlying upstream stream.

close() - Method in class zeroecho.sdk.io.SignatureTrailerInputStream

Closes the stream and the associated SignatureContext.

close() - Method in class zeroecho.sdk.util.OutputToInputStreamAdapter

CmceAlgorithm - Class in zeroecho.core.alg.cmce

Classic McEliece (CMCE) algorithm adapter

CmceAlgorithm() - Constructor for class zeroecho.core.alg.cmce.CmceAlgorithm

Constructs and registers CMCE capabilities and key builders.

CmceKemContext - Class in zeroecho.core.alg.cmce

Classic McEliece (CMCE) KEM context

CmceKemContext(CryptoAlgorithm, PrivateKey) - Constructor for class zeroecho.core.alg.cmce.CmceKemContext

Creates a decapsulation context bound to a private key.

CmceKemContext(CryptoAlgorithm, PublicKey) - Constructor for class zeroecho.core.alg.cmce.CmceKemContext

Creates an encapsulation context bound to a recipient public key.

CMCE key generation specification - Search tag in class zeroecho.core.alg.cmce.CmceKeyGenSpec

Section

CmceKeyGenSpec - Class in zeroecho.core.alg.cmce

CMCE key generation specification

CmceKeyGenSpec.Variant - Enum Class in zeroecho.core.alg.cmce

Enumeration of supported CMCE parameter set variants.

CmcePrivateKeySpec - Class in zeroecho.core.alg.cmce

Classic McEliece (CMCE) private key specification

CmcePrivateKeySpec(byte[]) - Constructor for class zeroecho.core.alg.cmce.CmcePrivateKeySpec

Creates a new specification from a PKCS#8-encoded CMCE private key.

CmcePublicKeySpec - Class in zeroecho.core.alg.cmce

Classic McEliece (CMCE) public key specification

CmcePublicKeySpec(byte[]) - Constructor for class zeroecho.core.alg.cmce.CmcePublicKeySpec

Creates a new specification from an X.509-encoded CMCE public key.

CMD_SCRIPT - Enum constant in enum class zeroecho.sdk.content.api.ExportableDataContent.ExportMode

CMD script mode returns a Windows batch file containing encoded content that can be decoded and used locally.

Codec<T,R> - Interface in zeroecho.core.marshal

General-purpose bidirectional codec between a domain type T and a serialized representation R.

Columns - Search tag in class zeroecho.core.util.GenerateCryptoCatalogTable

Section

CommonEdDSASignatureContext - Class in zeroecho.core.alg.common.eddsa

Base class for EdDSA signature contexts that adapts a JCA Signature for streaming sign and verify.

CommonEdDSASignatureContext(CryptoAlgorithm, PrivateKey, String, int) - Constructor for class zeroecho.core.alg.common.eddsa.CommonEdDSASignatureContext

Constructs a signing context for the given EdDSA algorithm.

CommonEdDSASignatureContext(CryptoAlgorithm, PublicKey, String, int) - Constructor for class zeroecho.core.alg.common.eddsa.CommonEdDSASignatureContext

Constructs a verification context for the given EdDSA algorithm.

CompactOneLineFormatter - Class in zeroecho.logging

A compact single-line Formatter for JUL log records.

CompactOneLineFormatter() - Constructor for class zeroecho.logging.CompactOneLineFormatter

Components - Search tag in package zeroecho.core.alg.aes

Section

Components - Search tag in package zeroecho.core.alg.bike

Section

Components - Search tag in package zeroecho.core.alg.chacha

Section

Components - Search tag in package zeroecho.core.alg.cmce

Section

Components - Search tag in package zeroecho.core.alg.common.agreement

Section

Components - Search tag in package zeroecho.core.alg.common.eddsa

Section

Components - Search tag in package zeroecho.core.alg.common.sig

Section

Components - Search tag in package zeroecho.core.alg.dh

Section

Components - Search tag in package zeroecho.core.alg.digest

Section

Components - Search tag in package zeroecho.core.alg.ecdh

Section

Components - Search tag in package zeroecho.core.alg.ecdsa

Section

Components - Search tag in package zeroecho.core.alg.ed25519

Section

Components - Search tag in package zeroecho.core.alg.ed448

Section

Components - Search tag in package zeroecho.core.alg.elgamal

Section

Components - Search tag in package zeroecho.core.alg.frodo

Section

Components - Search tag in package zeroecho.core.alg.hmac

Section

Components - Search tag in package zeroecho.core.alg.hqc

Section

Components - Search tag in package zeroecho.core.alg.kyber

Section

Components - Search tag in package zeroecho.core.alg.ntru

Section

Components - Search tag in package zeroecho.core.alg.ntruprime

Section

Components - Search tag in package zeroecho.core.alg.rsa

Section

Components - Search tag in package zeroecho.core.alg.saber

Section

Components - Search tag in package zeroecho.core.alg.sphincsplus

Section

Components - Search tag in package zeroecho.core.alg.xdh

Section

Components - Search tag in package zeroecho.logging

Section

Components - Search tag in package zeroecho.sdk.content.builtin

Section

Configuration - Search tag in class zeroecho.core.audit.JulAuditListenerStd

Section

ConfluxKeys - Class in zeroecho.core

Shared typed keys for ephemeral cryptographic parameters.

Constraints - Search tag in class zeroecho.core.alg.hmac.HmacKeyGenSpec

Section

Construction - Search tag in class zeroecho.core.alg.chacha.ChaChaKeyImportSpec

Section

Construction - Search tag in class zeroecho.core.alg.chacha.ChaChaSpec

Section

Construction - Search tag in class zeroecho.core.alg.digest.DigestSpec

Section

Construction - Search tag in class zeroecho.core.alg.rsa.RsaEncSpec

Section

Construction - Search tag in class zeroecho.core.alg.rsa.RsaSigSpec

Section

Construction - Search tag in class zeroecho.sdk.builders.TagTrailerDataContentBuilder

Section

Construction and safety - Search tag in package zeroecho.core.alg

Section

contains(String) - Method in class zeroecho.core.storage.KeyringStore

Checks whether an entry with the given alias exists.

Contents - Search tag in class zeroecho.core.alg.elgamal.ElgamalParamSpec

Section

Contents - Search tag in class zeroecho.core.alg.elgamal.ElgamalPrivateKeySpec

Section

Contents - Search tag in class zeroecho.core.alg.elgamal.ElgamalPublicKeySpec

Section

context() - Method in class zeroecho.core.alg.aes.AesCipherContext

Returns the currently set Conflux context (possibly null).

context() - Method in class zeroecho.core.alg.chacha.ChaChaCipherContext

Returns the context currently in use.

context() - Method in interface zeroecho.core.spi.ContextAware

Returns the context currently in use.

context(CtxInterface) - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Sets the optional runtime context to read or write auxiliary values such as a generated signature or verification result.

context(CtxInterface) - Method in class zeroecho.sdk.builders.alg.AesDataContentBuilder

Provides a Conflux session context for exchanging IV/AAD/tagBits and enabling header I/O.

context(CtxInterface) - Method in class zeroecho.sdk.builders.alg.ChaChaDataContentBuilder

Sets an optional runtime context used to read or write parameters such as nonce, AAD, or counter.

context(CtxInterface) - Method in class zeroecho.sdk.builders.alg.DigestDataContentBuilder

Sets an optional runtime context used to store the finalized digest when requested.

Context and headers - Search tag in class zeroecho.sdk.builders.alg.ChaChaDataContentBuilder

Section

ContextAware - Interface in zeroecho.core.spi

Optional service-provider interface for cryptographic primitives that need to share or persist per-session parameters using a CtxInterface.

ContextConstructorKS<C,K,S> - Interface in zeroecho.core.spi

Factory interface to construct a CryptoContext from a key and an optional specification.

Context integration - Search tag in class zeroecho.sdk.builders.alg.DigestDataContentBuilder

Section

Context kinds - Search tag in package zeroecho.core.context

Section

Contexts - Search tag in class zeroecho.sdk.builders.alg.SphincsPlusDataContentBuilder

Section

Context sharing and parameter flow - Search tag in package zeroecho.core.spi

Section

ContextSpec - Interface in zeroecho.core.spec

Marker interface for per-operation parameters.

contextType() - Method in record class zeroecho.core.Capability

Returns the value of the contextType record component.

Convenience factory - Search tag in class zeroecho.core.alg.chacha.ChaChaSpec

Section

Conventions - Search tag in class zeroecho.core.marshal.PairSeqCodec

Section

Conventions - Search tag in package zeroecho.core.marshal

Section

Counter handling - Search tag in class zeroecho.core.alg.chacha.ChaChaCipherContext

Section

create(String, KeyUsage, K) - Static method in class zeroecho.core.CryptoAlgorithms

Creates a CryptoContext using the algorithm’s default spec for the role.

create(String, KeyUsage, K, S) - Static method in class zeroecho.core.CryptoAlgorithms

Creates a CryptoContext for the given algorithm id and role, applying policy validation and optional auditing/wrapping.

create(Key, boolean) - Method in interface zeroecho.core.alg.common.sig.GenericJcaSignatureContext.EngineFactory

Creates and initializes a Signature for the given key and mode.

create(K, S) - Method in interface zeroecho.core.spi.ContextConstructorKS

Creates a new CryptoContext instance bound to the provided key and specification.

create(KeyUsage, K, S) - Method in class zeroecho.core.CryptoAlgorithm

Creates a new CryptoContext for the given role, key, and optional spec.

CryptoAlgorithm - Class in zeroecho.core

Abstract base class for all cryptographic algorithm definitions in ZeroEcho.

CryptoAlgorithm(String, String) - Constructor for class zeroecho.core.CryptoAlgorithm

Create a new algorithm with default priority and provider.

CryptoAlgorithm(String, String, int, String) - Constructor for class zeroecho.core.CryptoAlgorithm

Create a new algorithm with explicit metadata.

CryptoAlgorithm(String, String, String) - Constructor for class zeroecho.core.CryptoAlgorithm

Create a new algorithm with default priority and a named provider.

CryptoAlgorithm.AsymBuilderInfo - Class in zeroecho.core

Immutable descriptor for an asymmetric builder registered with this algorithm.

CryptoAlgorithm.SymBuilderInfo - Record Class in zeroecho.core

Immutable descriptor for a symmetric key builder registered with this algorithm.

CryptoAlgorithms - Class in zeroecho.core

Static façade and registry for CryptoAlgorithm providers.

CryptoAlgorithms.AuditMode - Enum Class in zeroecho.core

Declares how auditing is applied to cryptographic contexts.

CryptoCatalog - Class in zeroecho.core

Immutable snapshot of discovered CryptoAlgorithm implementations, with utilities to validate and serialize the catalog.

CryptoContext - Interface in zeroecho.core.context

Common interface for all cryptographic operation contexts.

CryptoContext contract - Search tag in class zeroecho.core.alg.hmac.HmacMacContext

Section

CryptoPolicy<S,K> - Interface in zeroecho.core.policy

A strategy interface for validating cryptographic keys, usages, and specifications before contexts are created.

ctr(SymmetricHeaderCodec) - Static method in class zeroecho.core.alg.aes.AesSpec

Creates a CTR specification with no padding and the provided header.

CTR - Enum constant in enum class zeroecho.core.alg.aes.AesSpec.Mode

Counter mode (CTR).

ctx - Variable in class zeroecho.core.alg.chacha.ChaChaCipherContext

Optional per-operation context for exchanging headers, IVs, etc.

currentKeyGenSpecOrNull() - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Returns the currently configured key generation specification or null if the default should be used.

currentKeyGenSpecOrNull() - Method in class zeroecho.sdk.builders.alg.EcdsaDataContentBuilder

Returns the currently selected key generation specification, or null to indicate that the default should be used.

currentKeyGenSpecOrNull() - Method in class zeroecho.sdk.builders.alg.Ed25519DataContentBuilder

Returns the currently configured key generation specification or null to indicate the default should be used.

currentKeyGenSpecOrNull() - Method in class zeroecho.sdk.builders.alg.Ed448DataContentBuilder

Returns the currently configured key generation specification or null to indicate that the default should be used.

currentKeyGenSpecOrNull() - Method in class zeroecho.sdk.builders.alg.SphincsPlusDataContentBuilder

Returns the currently configured key generation specification or null to indicate that the default should be used.

cursor() - Method in class zeroecho.core.marshal.PairSeq

Returns a forward-only cursor for iterating the pairs.

Cursor() - Constructor for class zeroecho.core.marshal.PairSeq.Cursor

curveName() - Method in enum class zeroecho.core.alg.ecdh.EcdhCurveSpec

Returns the JCA-standardized name of the elliptic curve.

curveName() - Method in enum class zeroecho.core.alg.ecdsa.EcdsaCurveSpec

Returns the canonical JCA curve name.

Curves - Search tag in enum class zeroecho.core.alg.ecdh.EcdhCurveSpec

Section

Curves - Search tag in enum class zeroecho.core.alg.ecdsa.EcdsaCurveSpec

Section

Curve selection - Search tag in class zeroecho.sdk.builders.alg.EcdsaDataContentBuilder

Section

D

DataContent - Interface in zeroecho.sdk.content.api

Represents a generic unit of data content.

DataContentBuilder<T> - Interface in zeroecho.sdk.builders.core

A builder interface for constructing instances of DataContent.

DataContentChainBuilder - Interface in zeroecho.sdk.builders.core

A builder interface for constructing a chain of DataContent components, where each content unit passes its output as the input to the next one.

DataContentChainBuilder.DefaultDataContentChainBuilder - Class in zeroecho.sdk.builders.core

Default implementation of DataContentChainBuilder.

decapsulate(byte[]) - Method in class zeroecho.core.alg.bike.BikeKemContext

Recovers the shared secret from a ciphertext using the holder's private key.

decapsulate(byte[]) - Method in class zeroecho.core.alg.cmce.CmceKemContext

Extracts the shared secret from the given ciphertext using the stored private key.

decapsulate(byte[]) - Method in class zeroecho.core.alg.frodo.FrodoKemContext

Decapsulates a ciphertext to recover the shared secret.

decapsulate(byte[]) - Method in class zeroecho.core.alg.hqc.HqcKemContext

Performs HQC decapsulation, recovering the shared secret from a ciphertext.

decapsulate(byte[]) - Method in class zeroecho.core.alg.kyber.KyberKemContext

Performs Kyber decapsulation using the bound private key and returns the shared secret.

decapsulate(byte[]) - Method in class zeroecho.core.alg.ntru.NtruKemContext

Performs NTRU key decapsulation using the bound private key.

decapsulate(byte[]) - Method in class zeroecho.core.alg.ntruprime.NtrulPrimeKemContext

Derives the shared secret from the provided ciphertext using the holder private key.

decapsulate(byte[]) - Method in class zeroecho.core.alg.ntruprime.SntruPrimeKemContext

Derives the shared secret from the provided ciphertext using the holder private key.

decapsulate(byte[]) - Method in class zeroecho.core.alg.saber.SaberKemContext

Performs SABER decapsulation and returns the shared secret derived from ciphertext.

decapsulate(byte[]) - Method in interface zeroecho.core.context.KemContext

Performs decapsulation of the given ciphertext to recover the shared secret.

DECAPSULATE - Enum constant in enum class zeroecho.core.KeyUsage

Decapsulate a shared secret in a KEM flow.

Declared capabilities - Search tag in class zeroecho.core.alg.elgamal.ElgamalAlgorithm

Section

Declared capabilities - Search tag in class zeroecho.core.alg.hqc.HqcAlgorithm

Section

Declared capabilities - Search tag in class zeroecho.core.alg.kyber.KyberAlgorithm

Section

decoy() - Method in class zeroecho.sdk.guard.EncCtxRecipient

Returns whether this recipient entry is marked as a decoy.

decoy() - Method in class zeroecho.sdk.guard.KemCtxRecipient

Returns whether this recipient entry is marked as a decoy.

decoy() - Method in class zeroecho.sdk.guard.PasswordRecipient

Returns whether this recipient entry is marked as a decoy.

decoy() - Method in interface zeroecho.sdk.guard.Recipient

Indicates whether this recipient entry is a decoy (fake recipient).

decrypt() - Static method in interface zeroecho.sdk.builders.core.DataContentChainBuilder

Creates a new DataContentChainBuilder configured for decryption mode.

DECRYPT - Enum constant in enum class zeroecho.core.KeyUsage

Decrypt data that was encrypted under the matching key/parameters.

DEFAULT_BUF_SIZE - Static variable in class zeroecho.sdk.util.OutputToInputStreamAdapter

Default buffer size in bytes.

DEFAULT_MAX_READ_SIZE - Static variable in interface zeroecho.sdk.content.api.DataContent

Default maximum number of bytes that DataContent.toBytes() will read.

Default behavior - Search tag in zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder.withStrategy(SignatureVerificationStrategy)

Section

defaultCapacity - Variable in class zeroecho.sdk.integrations.covert.jpeg.Slot

The default capacity, in bytes, of this slot for data embedding.

Default configuration - Search tag in class zeroecho.core.alg.ecdsa.EcdsaAlgorithm

Section

defaultKeyGenSpecSupplier() - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Returns a supplier of default key generation specifications.

defaultKeyGenSpecSupplier() - Method in class zeroecho.sdk.builders.alg.EcdsaDataContentBuilder

Supplies the default key generation specification for this builder.

defaultKeyGenSpecSupplier() - Method in class zeroecho.sdk.builders.alg.Ed25519DataContentBuilder

Supplies a default key generation specification for Ed25519.

defaultKeyGenSpecSupplier() - Method in class zeroecho.sdk.builders.alg.Ed448DataContentBuilder

Supplies the default key generation specification for Ed448.

defaultKeyGenSpecSupplier() - Method in class zeroecho.sdk.builders.alg.SphincsPlusDataContentBuilder

Supplies a default key generation specification for SPHINCS+.

defaultKeySpec - Variable in class zeroecho.core.CryptoAlgorithm.AsymBuilderInfo

defaultKeySpec() - Method in record class zeroecho.core.CryptoAlgorithm.SymBuilderInfo

Returns the value of the defaultKeySpec record component.

defaultProviderHint() - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Returns the default provider name hint used when importing keys if no explicit provider was set.

defaultProviderHint() - Method in class zeroecho.sdk.builders.alg.EcdsaDataContentBuilder

Returns the default provider hint to use when importing keys if none is explicitly set.

defaultProviderHint() - Method in class zeroecho.sdk.builders.alg.Ed25519DataContentBuilder

Returns the default provider hint used for key imports when none is explicitly supplied.

defaultProviderHint() - Method in class zeroecho.sdk.builders.alg.Ed448DataContentBuilder

Returns the default provider hint used for key imports when none is explicitly supplied.

defaultProviderHint() - Method in class zeroecho.sdk.builders.alg.SphincsPlusDataContentBuilder

Returns the default provider hint to use when importing SPHINCS+ keys if none is explicitly specified.

defaults() - Static method in class zeroecho.sdk.integrations.covert.jpeg.Slot

Returns a list of default slot configurations commonly available in standard EXIF metadata.

Defaults - Search tag in class zeroecho.core.alg.chacha.ChaCha20Poly1305Algorithm

Section

Defaults - Search tag in class zeroecho.core.alg.chacha.ChaChaAlgorithm

Section

Defaults - Search tag in class zeroecho.core.alg.hmac.HmacAlgorithm

Section

Defaults - Search tag in class zeroecho.core.alg.hmac.HmacKeyGenSpec

Section

Defaults - Search tag in class zeroecho.core.alg.hmac.HmacSpec

Section

Defaults - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec

Section

defaultSpec() - Static method in class zeroecho.core.alg.ed25519.Ed25519KeyGenSpec

Returns the canonical, shared default spec instance for Ed25519 key generation.

defaultSpec() - Static method in class zeroecho.core.alg.ed448.Ed448KeyGenSpec

Returns the shared default specification instance for Ed448 key generation.

defaultSpec() - Static method in class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec

Returns the default SPHINCS+ key generation spec.

defaultSpec() - Method in record class zeroecho.core.Capability

Returns the value of the defaultSpec record component.

Delegation - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusSignatureContext

Section

derivedKeyBytes(int) - Method in class zeroecho.sdk.builders.alg.KemDataContentBuilder

Sets the number of derived key bytes to feed into the selected symmetric builder.

deriveSecret() - Method in class zeroecho.core.alg.common.agreement.GenericJcaAgreementContext

Computes the raw shared secret using the configured local private key and the previously assigned peer public key.

deriveSecret() - Method in class zeroecho.core.alg.common.agreement.KemMessageAgreementAdapter

Derives the shared secret from this exchange.

deriveSecret() - Method in interface zeroecho.core.context.AgreementContext

Performs the key agreement and returns the derived raw shared secret.

Describable - Interface in zeroecho.core.annotation

Defines a contract for objects that can provide a concise, human-readable description.

description() - Method in record class zeroecho.core.alg.aes.AesKeyGenSpec

Provides a short textual description of the key size.

description() - Method in class zeroecho.core.alg.aes.AesSpec

Produces a compact human‑readable description of this specification, such as "AES-GCM(tag=128)" or "AES-CBC/PKCS7Padding".

description() - Method in class zeroecho.core.alg.bike.BikeKeyGenSpec

Returns a human-readable description of this spec.

description() - Method in class zeroecho.core.alg.chacha.ChaCha20Poly1305Spec

Human-readable description of this spec.

description() - Method in record class zeroecho.core.alg.chacha.ChaChaKeyGenSpec

Returns a short human-readable description of this spec.

description() - Method in class zeroecho.core.alg.chacha.ChaChaSpec

Human-readable description of this spec.

description() - Method in class zeroecho.core.alg.cmce.CmceKeyGenSpec

Returns a human-readable description of this specification.

description() - Method in class zeroecho.core.alg.dh.DhSpec

Returns a short, human-readable description of this object.

description() - Method in class zeroecho.core.alg.digest.DigestSpec

Returns a human-readable description of this specification.

description() - Method in enum class zeroecho.core.alg.ecdsa.EcdsaCurveSpec

Returns a short, human-readable description of this object.

description() - Method in class zeroecho.core.alg.elgamal.ElgamalEncSpec

Human-readable description of this spec.

description() - Method in class zeroecho.core.alg.elgamal.ElgamalKeyGenSpec

Human-readable description of this spec.

description() - Method in class zeroecho.core.alg.elgamal.ElgamalParamSpec

Human-readable description of this spec.

description() - Method in class zeroecho.core.alg.frodo.FrodoKeyGenSpec

Human-readable description of this spec.

description() - Method in class zeroecho.core.alg.hmac.HmacKeyGenSpec

Returns a short description of this key spec.

description() - Method in class zeroecho.core.alg.hmac.HmacKeyImportSpec

Returns a short human-readable description of this spec.

description() - Method in class zeroecho.core.alg.hmac.HmacSpec

Returns a human-readable description of this spec.

description() - Method in class zeroecho.core.alg.hqc.HqcKeyGenSpec

Returns a textual description of this spec.

description() - Method in class zeroecho.core.alg.kyber.KyberKeyGenSpec

Returns a human-readable description of this spec.

description() - Method in class zeroecho.core.alg.ntru.NtruKeyGenSpec

Returns a short, human-readable description of the selected parameter set.

description() - Method in class zeroecho.core.alg.ntruprime.NtrulPrimeKeyGenSpec

Returns a textual description of this specification.

description() - Method in class zeroecho.core.alg.ntruprime.SntruPrimeKeyGenSpec

Returns a textual description of this specification.

description() - Method in class zeroecho.core.alg.rsa.RsaEncSpec

Returns a short human-readable description of this spec.

description() - Method in class zeroecho.core.alg.rsa.RsaKeyGenSpec

Returns a short description string.

description() - Method in class zeroecho.core.alg.rsa.RsaSigSpec

Returns a short human-readable description of this spec.

description() - Method in class zeroecho.core.alg.saber.SaberKeyGenSpec

Returns a textual description of this spec.

description() - Method in enum class zeroecho.core.alg.xdh.XdhSpec

Returns a short, human-readable description of this object.

description() - Method in interface zeroecho.core.annotation.Describable

Returns a short, human-readable description of this object.

description() - Method in record class zeroecho.sdk.guard.UnlockMaterial.Password

description() - Method in record class zeroecho.sdk.guard.UnlockMaterial.Private

description() - Method in record class zeroecho.sdk.integrations.stegano.StegoMetadata

Returns the value of the description record component.

Design - Search tag in class zeroecho.core.alg.aes.AesSpec

Section

Design - Search tag in class zeroecho.core.alg.dh.DhPrivateKeySpec

Section

Design - Search tag in class zeroecho.core.alg.dh.DhPublicKeySpec

Section

Design - Search tag in interface zeroecho.core.context.MessageAgreementContext

Section

Design - Search tag in interface zeroecho.core.spec.AlgorithmKeySpec

Section

Design and invariants - Search tag in class zeroecho.core.io.AbstractChunkTransformInputStream

Section

Design and scope - Search tag in class zeroecho.core.alg.xdh.XdhKeyGenBuilder

Section

Design considerations - Search tag in annotation interface zeroecho.core.annotation.DisplayName

Section

Design considerations - Search tag in interface zeroecho.core.annotation.Describable

Section

Design decision: separate unlocking material from openers - Search tag in package zeroecho.sdk.guard

Section

Design goals - Search tag in class zeroecho.core.ConfluxKeys

Section

Design goals - Search tag in class zeroecho.core.alg.xdh.XdhPrivateKeySpec

Section

Design goals - Search tag in class zeroecho.core.alg.xdh.XdhPublicKeySpec

Section

Design goals - Search tag in interface zeroecho.core.policy.CryptoPolicy

Section

Design goals - Search tag in package zeroecho.core.alg.common.sig

Section

Design goals - Search tag in package zeroecho.logging

Section

Design goals - Search tag in package zeroecho.sdk.builders.alg

Section

Design guidelines - Search tag in interface zeroecho.core.spi.ContextAware

Section

Design notes - Search tag in class zeroecho.sdk.builders.alg.Ed448DataContentBuilder

Section

Design notes - Search tag in enum class zeroecho.core.alg.xdh.XdhSpec

Section

Design notes - Search tag in interface zeroecho.core.marshal.Codec

Section

Design notes - Search tag in package zeroecho.core.alg.common.eddsa

Section

Design notes - Search tag in package zeroecho.core.alg.dh

Section

Design notes - Search tag in package zeroecho.core.alg.digest

Section

Design notes - Search tag in package zeroecho.core.alg.ecdh

Section

Design notes - Search tag in package zeroecho.core.alg.ecdsa

Section

Design notes - Search tag in package zeroecho.core.alg.ed25519

Section

Design notes - Search tag in package zeroecho.core.alg.ed448

Section

Design notes - Search tag in package zeroecho.core.alg.elgamal

Section

Design notes - Search tag in package zeroecho.core.alg.frodo

Section

Design notes - Search tag in package zeroecho.core.alg.hmac

Section

Design notes - Search tag in package zeroecho.core.alg.hqc

Section

Design notes - Search tag in package zeroecho.core.alg.kyber

Section

Design notes - Search tag in package zeroecho.core.alg.ntru

Section

Design notes - Search tag in package zeroecho.core.alg.rsa

Section

Design notes - Search tag in package zeroecho.core.alg.saber

Section

Design notes - Search tag in package zeroecho.core.alg.sphincsplus

Section

Design notes - Search tag in package zeroecho.core.io

Section

Design notes - Search tag in package zeroecho.core.policy

Section

Design notes - Search tag in package zeroecho.core.spec

Section

Design notes - Search tag in package zeroecho.core.tag

Section

Design notes - Search tag in package zeroecho.sdk.io

Section

Design notes - Search tag in package zeroecho.sdk.util

Section

Design philosophy - Search tag in package zeroecho.core.annotation

Section

Design principles - Search tag in Overview

Section

Design principles - Search tag in package zeroecho.core

Section

Design principles - Search tag in package zeroecho.sdk.integrations.stegano

Section

destroyKey(String, String, Key) - Static method in class zeroecho.core.CryptoAlgorithms

Attempts to destroy a key via the JDK Destroyable interface.

Detached verification - Search tag in interface zeroecho.core.context.DigestContext

Section

DhAlgorithm - Class in zeroecho.core.alg.dh

Diffie-Hellman algorithm registration for use in the pluggable cryptography catalog.

DhAlgorithm() - Constructor for class zeroecho.core.alg.dh.DhAlgorithm

Creates a Diffie-Hellman algorithm registration with standard defaults.

DhKeyGenBuilder - Class in zeroecho.core.alg.dh

DH key pair builder

DhKeyGenBuilder() - Constructor for class zeroecho.core.alg.dh.DhKeyGenBuilder

DH key pair builder - Search tag in class zeroecho.core.alg.dh.DhKeyGenBuilder

Section

DhPrivateKeySpec - Class in zeroecho.core.alg.dh

Key specification for a Diffie-Hellman private key encoded in PKCS#8 format.

DhPrivateKeySpec(byte[]) - Constructor for class zeroecho.core.alg.dh.DhPrivateKeySpec

Creates a new specification from a PKCS#8 encoded DH private key.

DhPublicKeySpec - Class in zeroecho.core.alg.dh

Key specification for a Diffie-Hellman public key encoded in X.509 format.

DhPublicKeySpec(byte[]) - Constructor for class zeroecho.core.alg.dh.DhPublicKeySpec

Creates a new specification from an X.509 encoded DH public key.

DhSpec - Class in zeroecho.core.alg.dh

Diffie-Hellman parameter specification

Diffie-Hellman parameter specification - Search tag in class zeroecho.core.alg.dh.DhSpec

Section

digest(DigestSpec) - Static method in class zeroecho.core.tag.TagEngineBuilder

Creates a builder for an unkeyed digest engine.

DIGEST - Enum constant in enum class zeroecho.core.AlgorithmFamily

Unkeyed hash functions or XOFs.

DIGEST - Enum constant in enum class zeroecho.core.KeyUsage

Compute an unkeyed hash (e.g., SHA-256), pipeline-friendly.

DigestContext - Interface in zeroecho.core.context

Context for computing unkeyed message digests and extendable-output functions (XOFs) in streaming pipelines.

DigestDataContentBuilder - Class in zeroecho.sdk.builders.alg

DigestDataContentBuilder constructs streaming pipelines that compute message digests while reading an InputStream.

Digest parameters for SHA-2, SHA-3, and SHAKE - Search tag in class zeroecho.core.alg.digest.DigestSpec

Section

DigestSpec - Class in zeroecho.core.alg.digest

Digest parameters for SHA-2, SHA-3, and SHAKE

DigestSpec.Algorithm - Enum Class in zeroecho.core.alg.digest

Enumeration of supported digest algorithms.

Digest trailer - Search tag in interface zeroecho.core.context.DigestContext

Section

directSecret() - Method in class zeroecho.sdk.builders.alg.KemDataContentBuilder

Disables HKDF and uses the shared secret directly (or truncated) for the symmetric key.

Discovery and registry - Search tag in package zeroecho.core

Section

Discovery identity - Search tag in class zeroecho.core.CryptoAlgorithms

Section

displayName() - Method in class zeroecho.core.CryptoAlgorithm

Returns a human-readable display name for this algorithm.

DisplayName - Annotation Interface in zeroecho.core.annotation

Declares a human-friendly display name for a class, specification, or capability.

doFinal(byte[], int, int, byte[], int) - Method in class zeroecho.core.io.AbstractChunkTransformInputStream

Finalizes the transformation with an optional trailing incomplete chunk.

E

EcdhAlgorithm - Class in zeroecho.core.alg.ecdh

Elliptic Curve Diffie-Hellman (ECDH) Algorithm

EcdhAlgorithm() - Constructor for class zeroecho.core.alg.ecdh.EcdhAlgorithm

Constructs a new ECDH algorithm definition.

EcdhCurveSpec - Enum Class in zeroecho.core.alg.ecdh

Standardized ECDH Curve Specifications

EcdhKeyGenBuilder - Class in zeroecho.core.alg.ecdh

ECDH Key Pair Generator

EcdhKeyGenBuilder() - Constructor for class zeroecho.core.alg.ecdh.EcdhKeyGenBuilder

ECDH Key Pair Generator - Search tag in class zeroecho.core.alg.ecdh.EcdhKeyGenBuilder

Section

EcdsaAlgorithm - Class in zeroecho.core.alg.ecdsa

Elliptic Curve Digital Signature Algorithm (ECDSA)

EcdsaAlgorithm() - Constructor for class zeroecho.core.alg.ecdsa.EcdsaAlgorithm

Constructs a new ECDSA algorithm instance and registers its capabilities: KeyUsage.SIGN with PrivateKey and EcdsaCurveSpec KeyUsage.VERIFY with PublicKey and EcdsaCurveSpec Asymmetric key builders for EcdsaCurveSpec, EcdsaPublicKeySpec, and EcdsaPrivateKeySpec

EcdsaCurveSpec - Enum Class in zeroecho.core.alg.ecdsa

ECDSA Curve Specifications

ECDSA Curve Specifications - Search tag in enum class zeroecho.core.alg.ecdsa.EcdsaCurveSpec

Section

EcdsaDataContentBuilder - Class in zeroecho.sdk.builders.alg

EcdsaDataContentBuilder configures and builds streaming ECDSA signature pipelines over an InputStream.

EcdsaDataContentBuilder() - Constructor for class zeroecho.sdk.builders.alg.EcdsaDataContentBuilder

EcdsaKeyGenBuilder - Class in zeroecho.core.alg.ecdsa

ECDSA Key Pair Generator

EcdsaKeyGenBuilder() - Constructor for class zeroecho.core.alg.ecdsa.EcdsaKeyGenBuilder

ECDSA Key Pair Generator - Search tag in class zeroecho.core.alg.ecdsa.EcdsaKeyGenBuilder

Section

ecdsaP256Sign(PrivateKey) - Static method in class zeroecho.core.tag.TagEngineBuilder

Creates a builder for an ECDSA P-256 signing engine.

ecdsaP256Verify(PublicKey) - Static method in class zeroecho.core.tag.TagEngineBuilder

Creates a builder for an ECDSA P-256 verification engine.

EcdsaPrivateKeyBuilder - Class in zeroecho.core.alg.ecdsa

ECDSA Private Key Builder

EcdsaPrivateKeyBuilder() - Constructor for class zeroecho.core.alg.ecdsa.EcdsaPrivateKeyBuilder

ECDSA Private Key Builder - Search tag in class zeroecho.core.alg.ecdsa.EcdsaPrivateKeyBuilder

Section

EcdsaPrivateKeySpec - Class in zeroecho.core.alg.ecdsa

ECDSA Private Key Specification

EcdsaPrivateKeySpec(byte[]) - Constructor for class zeroecho.core.alg.ecdsa.EcdsaPrivateKeySpec

Creates a new private key specification from a PKCS#8 encoded byte array.

ECDSA Private Key Specification - Search tag in class zeroecho.core.alg.ecdsa.EcdsaPrivateKeySpec

Section

EcdsaPublicKeyBuilder - Class in zeroecho.core.alg.ecdsa

ECDSA Public Key Builder

EcdsaPublicKeyBuilder() - Constructor for class zeroecho.core.alg.ecdsa.EcdsaPublicKeyBuilder

ECDSA Public Key Builder - Search tag in class zeroecho.core.alg.ecdsa.EcdsaPublicKeyBuilder

Section

EcdsaPublicKeySpec - Class in zeroecho.core.alg.ecdsa

ECDSA Public Key Specification

EcdsaPublicKeySpec(byte[]) - Constructor for class zeroecho.core.alg.ecdsa.EcdsaPublicKeySpec

Creates a new public key specification from an X.509 encoded byte array.

ECDSA Public Key Specification - Search tag in class zeroecho.core.alg.ecdsa.EcdsaPublicKeySpec

Section

ecdsaSign(PrivateKey, EcdsaCurveSpec) - Static method in class zeroecho.core.tag.TagEngineBuilder

Creates a builder for an ECDSA signing engine with the specified curve.

ecdsaVerify(PublicKey, EcdsaCurveSpec) - Static method in class zeroecho.core.tag.TagEngineBuilder

Creates a builder for an ECDSA verification engine with the specified curve.

Ed25519Algorithm - Class in zeroecho.core.alg.ed25519

Ed25519 Digital Signature Algorithm

Ed25519Algorithm() - Constructor for class zeroecho.core.alg.ed25519.Ed25519Algorithm

Constructs the Ed25519 algorithm definition and registers its roles and key builders.

Ed25519DataContentBuilder - Class in zeroecho.sdk.builders.alg

Ed25519DataContentBuilder builds streaming Ed25519 signature pipelines that sign or verify as an InputStream is consumed.

Ed25519DataContentBuilder() - Constructor for class zeroecho.sdk.builders.alg.Ed25519DataContentBuilder

Ed25519 Digital Signature Algorithm - Search tag in class zeroecho.core.alg.ed25519.Ed25519Algorithm

Section

Ed25519KeyGenBuilder - Class in zeroecho.core.alg.ed25519

Key-pair builder for Ed25519

Ed25519KeyGenBuilder() - Constructor for class zeroecho.core.alg.ed25519.Ed25519KeyGenBuilder

Ed25519KeyGenSpec - Class in zeroecho.core.alg.ed25519

Specification for Ed25519 key-pair generation

Ed25519KeyGenSpec() - Constructor for class zeroecho.core.alg.ed25519.Ed25519KeyGenSpec

Ed25519PrivateKeyBuilder - Class in zeroecho.core.alg.ed25519

Private key builder for Ed25519

Ed25519PrivateKeyBuilder() - Constructor for class zeroecho.core.alg.ed25519.Ed25519PrivateKeyBuilder

Ed25519PrivateKeySpec - Class in zeroecho.core.alg.ed25519

Specification for Ed25519 private keys

Ed25519PrivateKeySpec(byte[]) - Constructor for class zeroecho.core.alg.ed25519.Ed25519PrivateKeySpec

Creates a new Ed25519 private key specification from its PKCS#8 encoding.

Ed25519PublicKeyBuilder - Class in zeroecho.core.alg.ed25519

Public key builder for Ed25519

Ed25519PublicKeyBuilder() - Constructor for class zeroecho.core.alg.ed25519.Ed25519PublicKeyBuilder

Ed25519PublicKeySpec - Class in zeroecho.core.alg.ed25519

Specification for Ed25519 public keys

Ed25519PublicKeySpec(byte[]) - Constructor for class zeroecho.core.alg.ed25519.Ed25519PublicKeySpec

Creates a new Ed25519 public key specification from its X.509 encoding.

ed25519Sign(PrivateKey) - Static method in class zeroecho.core.tag.TagEngineBuilder

Creates a builder for an Ed25519 signing engine.

Ed25519SignatureContext - Class in zeroecho.core.alg.ed25519

Signature context for Ed25519 with a fixed 64-byte tag length.

Ed25519SignatureContext(CryptoAlgorithm, PrivateKey) - Constructor for class zeroecho.core.alg.ed25519.Ed25519SignatureContext

Constructs a signing context bound to the given private key.

Ed25519SignatureContext(CryptoAlgorithm, PublicKey) - Constructor for class zeroecho.core.alg.ed25519.Ed25519SignatureContext

Constructs a verification context bound to the given public key.

ed25519Verify(PublicKey) - Static method in class zeroecho.core.tag.TagEngineBuilder

Creates a builder for an Ed25519 verification engine.

Ed448Algorithm - Class in zeroecho.core.alg.ed448

Ed448 Digital Signature Algorithm

Ed448Algorithm() - Constructor for class zeroecho.core.alg.ed448.Ed448Algorithm

Constructs and wires the Ed448 algorithm definition.

Ed448DataContentBuilder - Class in zeroecho.sdk.builders.alg

Builder for constructing streaming Ed448 signature and verification DataContent pipelines.

Ed448DataContentBuilder() - Constructor for class zeroecho.sdk.builders.alg.Ed448DataContentBuilder

Ed448 Digital Signature Algorithm - Search tag in class zeroecho.core.alg.ed448.Ed448Algorithm

Section

Ed448KeyGenBuilder - Class in zeroecho.core.alg.ed448

Ed448 Key-Pair Builder

Ed448KeyGenBuilder() - Constructor for class zeroecho.core.alg.ed448.Ed448KeyGenBuilder

Ed448 Key Generation Specification - Search tag in class zeroecho.core.alg.ed448.Ed448KeyGenSpec

Section

Ed448KeyGenSpec - Class in zeroecho.core.alg.ed448

Ed448 Key Generation Specification

Ed448KeyGenSpec() - Constructor for class zeroecho.core.alg.ed448.Ed448KeyGenSpec

Ed448 Key-Pair Builder - Search tag in class zeroecho.core.alg.ed448.Ed448KeyGenBuilder

Section

Ed448PrivateKeyBuilder - Class in zeroecho.core.alg.ed448

Ed448 Private Key Builder

Ed448PrivateKeyBuilder() - Constructor for class zeroecho.core.alg.ed448.Ed448PrivateKeyBuilder

Ed448 Private Key Builder - Search tag in class zeroecho.core.alg.ed448.Ed448PrivateKeyBuilder

Section

Ed448PrivateKeySpec - Class in zeroecho.core.alg.ed448

Ed448 Private Key Specification

Ed448PrivateKeySpec(byte[]) - Constructor for class zeroecho.core.alg.ed448.Ed448PrivateKeySpec

Constructs a new Ed448 private key spec from the given PKCS#8-encoded bytes.

Ed448 Private Key Specification - Search tag in class zeroecho.core.alg.ed448.Ed448PrivateKeySpec

Section

Ed448PublicKeyBuilder - Class in zeroecho.core.alg.ed448

Ed448 Public Key Builder

Ed448PublicKeyBuilder() - Constructor for class zeroecho.core.alg.ed448.Ed448PublicKeyBuilder

Ed448 Public Key Builder - Search tag in class zeroecho.core.alg.ed448.Ed448PublicKeyBuilder

Section

Ed448PublicKeySpec - Class in zeroecho.core.alg.ed448

Ed448 Public Key Specification

Ed448PublicKeySpec(byte[]) - Constructor for class zeroecho.core.alg.ed448.Ed448PublicKeySpec

Constructs a new Ed448 public key spec from the given X.509-encoded bytes.

Ed448 Public Key Specification - Search tag in class zeroecho.core.alg.ed448.Ed448PublicKeySpec

Section

Ed448SignatureContext - Class in zeroecho.core.alg.ed448

Signature context for Ed448 with a fixed 114-byte tag length.

Ed448SignatureContext(CryptoAlgorithm, PrivateKey) - Constructor for class zeroecho.core.alg.ed448.Ed448SignatureContext

Constructs a signing context bound to the given private key.

Ed448SignatureContext(CryptoAlgorithm, PublicKey) - Constructor for class zeroecho.core.alg.ed448.Ed448SignatureContext

Constructs a verification context bound to the given public key.

elgamal2048() - Static method in class zeroecho.core.alg.elgamal.ElgamalKeyGenSpec

Returns a default ElGamal spec with a 2048-bit modulus and 128 iterations for primality testing.

ElgamalAlgorithm - Class in zeroecho.core.alg.elgamal

ElGamal Asymmetric Encryption Algorithm

ElgamalAlgorithm() - Constructor for class zeroecho.core.alg.elgamal.ElgamalAlgorithm

Constructs a new ElGamal algorithm instance bound to the "ElGamal" identifier and backed by the Bouncy Castle provider.

ElGamal Asymmetric Encryption Algorithm - Search tag in class zeroecho.core.alg.elgamal.ElgamalAlgorithm

Section

ElgamalCipherContext - Class in zeroecho.core.alg.elgamal

Streaming ElGamal cipher context that adapts an upstream stream into an encrypted or decrypted stream.

ElgamalCipherContext(CryptoAlgorithm, Key, ElgamalEncSpec, boolean) - Constructor for class zeroecho.core.alg.elgamal.ElgamalCipherContext

Creates a new ElGamal cipher context.

ElgamalEncDataContentBuilder - Class in zeroecho.sdk.builders.alg

ElgamalEncDataContentBuilder builds streaming ElGamal encryption or decryption pipelines that operate as an InputStream is consumed.

ElGamal Encryption Parameters - Search tag in class zeroecho.core.alg.elgamal.ElgamalEncSpec

Section

ElgamalEncSpec - Class in zeroecho.core.alg.elgamal

ElGamal Encryption Parameters

ElgamalEncSpec.Padding - Enum Class in zeroecho.core.alg.elgamal

Supported padding modes for ElGamal encryption.

ElGamal Key Generation Specification - Search tag in class zeroecho.core.alg.elgamal.ElgamalKeyGenSpec

Section

ElgamalKeyGenSpec - Class in zeroecho.core.alg.elgamal

ElGamal Key Generation Specification

ElgamalKeyGenSpec(int, int) - Constructor for class zeroecho.core.alg.elgamal.ElgamalKeyGenSpec

Constructs a new ElGamal key generation spec.

ElGamal Parameter Specification - Search tag in class zeroecho.core.alg.elgamal.ElgamalParamSpec

Section

ElgamalParamSpec - Class in zeroecho.core.alg.elgamal

ElGamal Parameter Specification

ElgamalParamSpec(BigInteger, BigInteger) - Constructor for class zeroecho.core.alg.elgamal.ElgamalParamSpec

Creates a new ElGamal parameter spec with modulus and generator.

ElgamalPrivateKeySpec - Class in zeroecho.core.alg.elgamal

ElGamal Private Key Specification

ElgamalPrivateKeySpec(byte[]) - Constructor for class zeroecho.core.alg.elgamal.ElgamalPrivateKeySpec

Constructs a new private key spec from PKCS#8-encoded bytes.

ElGamal Private Key Specification - Search tag in class zeroecho.core.alg.elgamal.ElgamalPrivateKeySpec

Section

ElgamalPublicKeySpec - Class in zeroecho.core.alg.elgamal

ElGamal Public Key Specification

ElgamalPublicKeySpec(byte[]) - Constructor for class zeroecho.core.alg.elgamal.ElgamalPublicKeySpec

Constructs a new public key spec from X.509-encoded bytes.

ElGamal Public Key Specification - Search tag in class zeroecho.core.alg.elgamal.ElgamalPublicKeySpec

Section

Elliptic Curve Diffie-Hellman (ECDH) Algorithm - Search tag in class zeroecho.core.alg.ecdh.EcdhAlgorithm

Section

Elliptic Curve Digital Signature Algorithm (ECDSA) - Search tag in class zeroecho.core.alg.ecdsa.EcdsaAlgorithm

Section

embed(InputStream, ImageFormat, InputStream) - Method in class zeroecho.sdk.integrations.stegano.LSBSteganographyMethod

Embeds the provided message into the least significant bits of the image and returns a new image stream in the requested lossless format.

embed(InputStream, ImageFormat, InputStream) - Method in interface zeroecho.sdk.integrations.stegano.SteganographyMethod

Embeds a message into a source image and produces a new image in the requested format.

embed(Path, InputStream, OutputStream) - Method in class zeroecho.sdk.integrations.covert.jpeg.JpegExifEmbedder

Embeds a binary payload into a JPEG file by spreading the data across a series of pre-configured EXIF slots.

emitBase64Digest() - Method in class zeroecho.sdk.builders.alg.DigestDataContentBuilder

Configures the builder to emit the finalized digest as Base64 text without padding.

emitBase64Signature() - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Configures the output to emit the detached signature as Base64 text.

emitBase64Signature() - Method in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Configures sign mode to emit the finalized signature as Base64 text.

emitBase64Tag() - Method in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Configures the pipeline to emit the finalized HMAC tag as Base64 text.

emitHexDigest() - Method in class zeroecho.sdk.builders.alg.DigestDataContentBuilder

Configures the builder to emit the finalized digest as lowercase hexadecimal text.

emitHexSignature() - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Configures the output to emit the detached signature as lowercase hexadecimal text.

emitHexSignature() - Method in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Configures sign mode to emit the finalized signature as lowercase hexadecimal text.

emitHexTag() - Method in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Configures the pipeline to emit the finalized HMAC tag as lowercase hexadecimal text.

emitRawDigest() - Method in class zeroecho.sdk.builders.alg.DigestDataContentBuilder

Configures the builder to emit the finalized digest as raw bytes.

emitRawSignature() - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Configures the output to emit the raw detached signature bytes.

emitRawSignature() - Method in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Configures sign mode to emit the finalized signature as raw bytes.

emitRawTag() - Method in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Configures the pipeline to emit the finalized HMAC tag as raw bytes.

emitVerificationBoolean() - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Configures the builder to verify and emit a boolean result encoded as ASCII "true" or "false".

emitVerificationBoolean() - Method in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Configures the pipeline to verify and emit a textual boolean result.

emitVerificationBoolean() - Method in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Configures verify mode to emit a textual boolean result.

EN - Static variable in class zeroecho.sdk.integrations.covert.TextualCodec.Generator

A default generator using the TextualCodec.Generator.ENGLISH frequency distribution.

encapsulate() - Method in class zeroecho.core.alg.bike.BikeKemContext

Generates a new shared secret and ciphertext using the recipient's public key.

encapsulate() - Method in class zeroecho.core.alg.cmce.CmceKemContext

Generates a CMCE ciphertext and shared secret using the stored public key.

encapsulate() - Method in class zeroecho.core.alg.frodo.FrodoKemContext

Encapsulates a fresh shared secret to the recipient’s public key.

encapsulate() - Method in class zeroecho.core.alg.hqc.HqcKemContext

Performs HQC encapsulation, generating a ciphertext and a shared secret.

encapsulate() - Method in class zeroecho.core.alg.kyber.KyberKemContext

Performs Kyber encapsulation using the bound public key and returns the ciphertext and shared secret.

encapsulate() - Method in class zeroecho.core.alg.ntru.NtruKemContext

Performs NTRU key encapsulation using the bound public key.

encapsulate() - Method in class zeroecho.core.alg.ntruprime.NtrulPrimeKemContext

Generates a fresh shared secret and its ciphertext using the recipient public key.

encapsulate() - Method in class zeroecho.core.alg.ntruprime.SntruPrimeKemContext

Generates a fresh shared secret and its ciphertext using the recipient public key.

encapsulate() - Method in class zeroecho.core.alg.saber.SaberKemContext

Performs SABER encapsulation and returns the ciphertext and shared secret.

encapsulate() - Method in interface zeroecho.core.context.KemContext

Performs encapsulation, generating both the encapsulated ciphertext and the derived shared secret.

ENCAPSULATE - Enum constant in enum class zeroecho.core.KeyUsage

Encapsulate a shared secret in a KEM flow.

EncCtxOpener - Class in zeroecho.sdk.guard

Opener that recognizes "CTX-ENC:<algId>" entries and attempts CEK recovery using an EncryptionContext in DECRYPT role.

EncCtxOpener() - Constructor for class zeroecho.sdk.guard.EncCtxOpener

Derive the context on demand from entryId and private key.

EncCtxOpener(EncryptionContext) - Constructor for class zeroecho.sdk.guard.EncCtxOpener

Use the provided context once for the matching entry.

EncCtxRecipient - Class in zeroecho.sdk.guard

Recipient implementation that delegates content-encryption key (CEK) wrapping to a provided EncryptionContext.

EncCtxRecipient(EncryptionContext) - Constructor for class zeroecho.sdk.guard.EncCtxRecipient

Constructs a recipient that uses the given EncryptionContext.

EncCtxRecipient(EncryptionContext, boolean) - Constructor for class zeroecho.sdk.guard.EncCtxRecipient

Constructs a recipient backed by the specified EncryptionContext.

encoded() - Method in class zeroecho.core.alg.dh.DhPrivateKeySpec

Returns a clone of the encoded PKCS#8 bytes.

encoded() - Method in class zeroecho.core.alg.dh.DhPublicKeySpec

Returns a clone of the encoded X.509 bytes.

encoded() - Method in class zeroecho.core.alg.ecdsa.EcdsaPrivateKeySpec

Returns a defensive copy of the encoded PKCS#8 data.

encoded() - Method in class zeroecho.core.alg.ecdsa.EcdsaPublicKeySpec

Returns a defensive copy of the encoded X.509 data.

encoded() - Method in class zeroecho.core.alg.ed25519.Ed25519PrivateKeySpec

Returns a defensive copy of the PKCS#8-encoded private key bytes.

encoded() - Method in class zeroecho.core.alg.ed25519.Ed25519PublicKeySpec

Returns a defensive copy of the X.509-encoded public key bytes.

encoded() - Method in class zeroecho.core.alg.ed448.Ed448PrivateKeySpec

Returns a defensive copy of the PKCS#8-encoded private key bytes.

encoded() - Method in class zeroecho.core.alg.ed448.Ed448PublicKeySpec

Returns a defensive copy of the X.509-encoded public key bytes.

encoded() - Method in class zeroecho.core.alg.elgamal.ElgamalPrivateKeySpec

Returns a defensive copy of the PKCS#8-encoded private key.

encoded() - Method in class zeroecho.core.alg.elgamal.ElgamalPublicKeySpec

Returns a defensive copy of the X.509-encoded public key.

encoded() - Method in class zeroecho.core.alg.rsa.RsaPrivateKeySpec

Returns a clone of the PKCS#8-encoded private key.

encoded() - Method in class zeroecho.core.alg.rsa.RsaPublicKeySpec

Returns a clone of the X.509-encoded public key.

encoded() - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusPrivateKeySpec

Returns a defensive copy of the PKCS#8-encoded private key.

encoded() - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusPublicKeySpec

Returns a defensive copy of the X.509-encoded public key.

encoded() - Method in class zeroecho.core.alg.xdh.XdhPrivateKeySpec

Returns a defensive copy of the PKCS#8-encoded private key bytes.

encoded() - Method in class zeroecho.core.alg.xdh.XdhPublicKeySpec

Returns a defensive copy of the X.509-encoded public key bytes.

encodedPkcs8(S) - Method in class zeroecho.core.alg.common.eddsa.AbstractEncodedPrivateKeyBuilder

Extracts the raw PKCS#8-encoded private key bytes from the given spec.

encodedPkcs8(Ed25519PrivateKeySpec) - Method in class zeroecho.core.alg.ed25519.Ed25519PrivateKeyBuilder

Returns the PKCS#8 encoded bytes from the given key spec.

encodedPkcs8(Ed448PrivateKeySpec) - Method in class zeroecho.core.alg.ed448.Ed448PrivateKeyBuilder

Returns the PKCS#8-encoded private key bytes from the given specification.

encodedX509(S) - Method in class zeroecho.core.alg.common.eddsa.AbstractEncodedPublicKeyBuilder

Extracts the raw X.509-encoded public key bytes from the given spec.

encodedX509(Ed25519PublicKeySpec) - Method in class zeroecho.core.alg.ed25519.Ed25519PublicKeyBuilder

Returns the X.509 encoded bytes from the given key spec.

encodedX509(Ed448PublicKeySpec) - Method in class zeroecho.core.alg.ed448.Ed448PublicKeyBuilder

Returns the X.509-encoded public key bytes from the given specification.

Encoding - Search tag in class zeroecho.core.alg.ecdsa.EcdsaPrivateKeyBuilder

Section

Encoding - Search tag in class zeroecho.core.alg.ecdsa.EcdsaPrivateKeySpec

Section

Encoding - Search tag in class zeroecho.core.alg.ecdsa.EcdsaPublicKeyBuilder

Section

Encoding - Search tag in class zeroecho.core.alg.ecdsa.EcdsaPublicKeySpec

Section

Encoding - Search tag in class zeroecho.core.alg.ed448.Ed448PrivateKeySpec

Section

Encoding - Search tag in class zeroecho.core.alg.ed448.Ed448PublicKeySpec

Section

Encoding - Search tag in class zeroecho.core.alg.kyber.KyberPrivateKeySpec

Section

Encoding - Search tag in class zeroecho.core.alg.kyber.KyberPublicKeySpec

Section

Encoding - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusPrivateKeySpec

Section

Encoding - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusPublicKeySpec

Section

Encoding format - Search tag in class zeroecho.core.alg.frodo.FrodoPrivateKeySpec

Section

Encoding format - Search tag in class zeroecho.core.alg.frodo.FrodoPublicKeySpec

Section

encrypt - Variable in class zeroecho.core.alg.chacha.ChaChaCipherContext

Operation mode flag - true for encryption, false for decryption.

encrypt() - Static method in interface zeroecho.sdk.builders.core.DataContentChainBuilder

Creates a new DataContentChainBuilder configured for encryption mode.

ENCRYPT - Enum constant in enum class zeroecho.core.KeyUsage

Encrypt data for confidentiality.

EncryptedContent - Interface in zeroecho.sdk.content.api

Represents encrypted content, which is the result of an encryption process and can be safely deployed to a public space without security concerns.

EncryptionContext - Interface in zeroecho.core.context

Context for performing encryption or decryption in streaming pipelines.

Engines and verification - Search tag in package zeroecho.core.tag

Section

ENGLISH - Static variable in class zeroecho.sdk.integrations.covert.TextualCodec.Generator

A predefined English character frequency distribution including the space character, based on typical usage in English text.

EOF rules - Search tag in class zeroecho.core.alg.elgamal.ElgamalCipherContext

Section

eofSeen - Variable in class zeroecho.core.io.AbstractChunkTransformInputStream

Flag indicating that end-of-stream has been reached.

equals(Object) - Method in record class zeroecho.core.alg.aes.AesKeyGenSpec

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class zeroecho.core.alg.chacha.ChaChaKeyGenSpec

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class zeroecho.core.Capability

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class zeroecho.core.CryptoAlgorithm.SymBuilderInfo

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in class zeroecho.core.NullKey

Compares this object to another for equality.

equals(Object) - Method in record class zeroecho.core.storage.KeyringStore.PrivateWithId

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class zeroecho.core.storage.KeyringStore.PublicWithId

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class zeroecho.core.storage.KeyringStore.Record

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class zeroecho.core.storage.KeyringStore.SecretWithId

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class zeroecho.sdk.guard.UnlockMaterial.Password

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class zeroecho.sdk.guard.UnlockMaterial.Private

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in class zeroecho.sdk.integrations.covert.jpeg.Slot

Compares this slot to another for equality based on tag ID and directory type.

equals(Object) - Method in record class zeroecho.sdk.integrations.stegano.StegoMetadata

Indicates whether some other object is "equal to" this one.

Error handling - Search tag in class zeroecho.logging.ClasspathJulConfig

Section

Error handling and validation - Search tag in package zeroecho.core.spi

Section

Error handling and verification - Search tag in package zeroecho.sdk.builders.alg

Section

estimateBits(String, Key) - Static method in class zeroecho.core.policy.SecurityStrengthAdvisor

Estimates the security strength in bits for a given algorithm family id and key.

Events and correlation - Search tag in class zeroecho.core.audit.AuditedContexts

Section

Example - Search tag in annotation interface zeroecho.core.annotation.DisplayName

Section

Example - Search tag in class zeroecho.core.alg.bike.BikeAlgorithm

Section

Example - Search tag in class zeroecho.core.alg.chacha.ChaCha20Poly1305Algorithm

Section

Example - Search tag in class zeroecho.core.alg.chacha.ChaCha20Poly1305Spec

Section

Example - Search tag in class zeroecho.core.alg.dh.DhPrivateKeySpec

Section

Example - Search tag in class zeroecho.core.alg.dh.DhPublicKeySpec

Section

Example - Search tag in class zeroecho.core.alg.dh.DhSpec

Section

Example - Search tag in class zeroecho.core.alg.ecdh.EcdhAlgorithm

Section

Example - Search tag in class zeroecho.core.alg.elgamal.ElgamalAlgorithm

Section

Example - Search tag in class zeroecho.core.alg.ntruprime.NtrulPrimeAlgorithm

Section

Example - Search tag in class zeroecho.core.alg.ntruprime.NtrulPrimeKeyGenSpec

Section

Example - Search tag in class zeroecho.core.alg.ntruprime.SntruPrimeAlgorithm

Section

Example - Search tag in class zeroecho.core.alg.ntruprime.SntruPrimeKeyGenSpec

Section

Example - Search tag in class zeroecho.core.alg.rsa.BlockGeometry

Section

Example - Search tag in class zeroecho.core.alg.rsa.RsaAlgorithm

Section

Example - Search tag in class zeroecho.core.alg.rsa.RsaCipherContext

Section

Example - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusAlgorithm

Section

Example - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenBuilder

Section

Example - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec

Section

Example - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusPrivateKeyBuilder

Section

Example - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusPrivateKeySpec

Section

Example - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusPublicKeyBuilder

Section

Example - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusPublicKeySpec

Section

Example - Search tag in class zeroecho.core.alg.xdh.XdhAlgorithm

Section

Example - Search tag in class zeroecho.core.alg.xdh.XdhKeyGenBuilder

Section

Example - Search tag in class zeroecho.core.audit.JulAuditListenerStd.Builder

Section

Example - Search tag in class zeroecho.core.io.AbstractChunkTransformInputStream

Section

Example - Search tag in class zeroecho.core.io.AbstractPassthroughInputStream

Section

Example - Search tag in class zeroecho.core.marshal.PairSeqCodec

Section

Example - Search tag in class zeroecho.sdk.builders.alg.SphincsPlusDataContentBuilder

Section

Example - Search tag in exception class zeroecho.core.err.ProviderFailureException

Section

Example - Search tag in exception class zeroecho.core.err.UnsupportedRoleException

Section

Example - Search tag in exception class zeroecho.core.err.UnsupportedSpecException

Section

Example - Search tag in interface zeroecho.core.alg.chacha.ChaChaBaseSpec

Section

Example - Search tag in interface zeroecho.core.annotation.Describable

Section

Example - Search tag in interface zeroecho.core.marshal.Codec

Section

Example - Search tag in zeroecho.core.CryptoAlgorithm.generateKeyPair()

Section

Example - Search tag in zeroecho.core.alg.kyber.KyberAlgorithm.KyberAlgorithm()

Section

Example - Search tag in zeroecho.sdk.builders.alg.DigestDataContentBuilder.builder()

Section

Example - Search tag in zeroecho.sdk.builders.alg.EcdsaDataContentBuilder.builder()

Section

Example - Search tag in zeroecho.sdk.builders.alg.Ed25519DataContentBuilder.builder()

Section

Example - Search tag in zeroecho.sdk.builders.alg.Ed448DataContentBuilder.builder()

Section

Example - Search tag in zeroecho.sdk.builders.alg.Ed448DataContentBuilder.makePrivateKeySpec(byte[], String)

Section

Example - Search tag in zeroecho.sdk.builders.alg.Ed448DataContentBuilder.makePublicKeySpec(byte[], String)

Section

Example - Search tag in zeroecho.sdk.builders.alg.Ed448DataContentBuilder.newSignContext(CryptoAlgorithm, PrivateKey)

Section

Example - Search tag in zeroecho.sdk.builders.alg.ElgamalEncDataContentBuilder.builder()

Section

Example - Search tag in zeroecho.sdk.builders.alg.HmacDataContentBuilder.builder()

Section

Example - Search tag in zeroecho.sdk.builders.alg.SphincsPlusDataContentBuilder.builder()

Section

Example output - Search tag in class zeroecho.logging.CompactOneLineFormatter

Section

Examples - Search tag in class zeroecho.core.alg.common.sig.GenericJcaSignatureContext

Section

Examples - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusSignatureContext

Section

Examples - Search tag in class zeroecho.core.io.CipherTransformInputStreamBuilder

Section

Examples - Search tag in class zeroecho.core.policy.SecurityStrengthAdvisor

Section

Examples - Search tag in class zeroecho.sdk.builders.alg.AesDataContentBuilder

Section

Examples - Search tag in class zeroecho.sdk.builders.alg.DigestDataContentBuilder

Section

Examples - Search tag in class zeroecho.sdk.builders.alg.RsaEncDataContentBuilder

Section

Examples - Search tag in record class zeroecho.sdk.integrations.stegano.StegoMetadata

Section

Examples - Search tag in zeroecho.core.util.Strings.toShortHexString(byte[])

Section

Examples - Search tag in zeroecho.sdk.builders.alg.ChaChaDataContentBuilder.builder()

Section

Examples - Search tag in zeroecho.sdk.builders.alg.ElgamalEncDataContentBuilder.build(boolean)

Section

Example usage - Search tag in class zeroecho.core.alg.frodo.FrodoAlgorithm

Section

Exception categories - Search tag in package zeroecho.core.err

Section

EXIF - Enum constant in enum class zeroecho.sdk.integrations.covert.jpeg.Slot.SlotGroup

EXIF metadata group, containing tags related to camera settings, image capture information, and other extended image metadata defined by the EXIF standard.

expectedSignature(byte[]) - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Sets the expected signature for verification as raw bytes.

expectedSignature(byte[]) - Method in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Supplies the expected signature as raw bytes for verification.

expectedSignatureBase64(String) - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Sets the expected signature for verification from a Base64 string.

expectedSignatureBase64(String) - Method in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Supplies the expected signature as a Base64 string for verification.

expectedSignatureFromCtx(Key<byte[]>) - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Configures verification to fetch the expected signature bytes from a context when building the stream.

expectedSignatureHex(String) - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Sets the expected signature for verification from a hexadecimal string.

expectedSignatureHex(String) - Method in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Supplies the expected signature as a hexadecimal string for verification.

expectedTag(byte[]) - Method in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Supplies the expected HMAC tag as raw bytes for verification.

expectedTagBase64(String) - Method in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Supplies the expected HMAC tag as a Base64 string for verification.

expectedTagHex(String) - Method in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Supplies the expected HMAC tag as a hexadecimal string for verification.

explicitParamConstant() - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec

Returns the explicit parameter constant override, if set.

ExportableDataContent - Interface in zeroecho.sdk.content.api

An extension of DataContent that provides export capabilities in different modes.

ExportableDataContent.ExportMode - Enum Class in zeroecho.sdk.content.api

Enumeration of supported export modes.

exportText(Collection<String>) - Method in class zeroecho.core.storage.KeyringStore

Exports the specified aliases as a versioned, line-oriented text snippet.

Extensibility - Search tag in package zeroecho.core.alg

Section

Extensibility - Search tag in package zeroecho.sdk.content.export

Section

Extensibility - Search tag in package zeroecho.sdk.integrations.stegano

Section

extract(InputStream) - Method in class zeroecho.sdk.integrations.stegano.LSBSteganographyMethod

Extracts the embedded message from the least significant bits of the provided image.

extract(InputStream) - Method in interface zeroecho.sdk.integrations.stegano.SteganographyMethod

Extracts a hidden message from an image.

extract(Path, OutputStream) - Method in class zeroecho.sdk.integrations.covert.jpeg.JpegExifEmbedder

Extracts a binary payload that was previously embedded into the JPEG via EXIF slots.

F

Factory - Search tag in class zeroecho.core.alg.elgamal.ElgamalKeyGenSpec

Section

Factory method - Search tag in record class zeroecho.core.alg.chacha.ChaChaKeyGenSpec

Section

Failure modes - Search tag in class zeroecho.core.alg.chacha.ChaCha20Poly1305HeaderCodec

Section

Families - Search tag in enum class zeroecho.core.AlgorithmFamily

Section

family() - Method in record class zeroecho.core.Capability

Returns the value of the family record component.

FAST - Enum constant in enum class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec.Variant

Larger, faster signatures.

Features - Search tag in class zeroecho.core.alg.dh.DhAlgorithm

Section

Features - Search tag in class zeroecho.core.alg.digest.JcaDigestContext

Section

ffdhe2048() - Static method in class zeroecho.core.alg.dh.DhSpec

Returns the standard FFDHE-2048 group.

ffdhe2048() - Static method in class zeroecho.core.alg.elgamal.ElgamalParamSpec

Returns the RFC 7919 FFDHE2048 safe prime with generator 2.

ffdhe3072() - Static method in class zeroecho.core.alg.dh.DhSpec

Returns the standard FFDHE-3072 group.

ffdhe4096() - Static method in class zeroecho.core.alg.dh.DhSpec

Returns the standard FFDHE-4096 group.

ffdhe6144() - Static method in class zeroecho.core.alg.dh.DhSpec

Returns the standard FFDHE-6144 group.

ffdhe8192() - Static method in class zeroecho.core.alg.dh.DhSpec

Returns the standard FFDHE-8192 group.

Fields - Search tag in class zeroecho.core.alg.chacha.ChaChaSpec

Section

Fields - Search tag in class zeroecho.core.alg.hmac.HmacKeyImportSpec

Section

Fields - Search tag in class zeroecho.core.alg.hmac.HmacSpec

Section

File format - Search tag in class zeroecho.core.storage.KeyringStore

Section

File format - Search tag in package zeroecho.core.storage

Section

Finalization headroom - Search tag in class zeroecho.core.io.CipherTransformInputStreamBuilder

Section

finalizationOutputChunks - Variable in class zeroecho.core.alg.rsa.BlockGeometry

Extra chunks produced during finalization (always 0 for RSA).

firesaberkem128r3() - Static method in class zeroecho.core.alg.saber.SaberKeyGenSpec

Creates a specification for the FireSaberKEM128R3 variant.

FIRESABERKEM128R3 - Enum constant in enum class zeroecho.core.alg.saber.SaberKeyGenSpec.Variant

FireSaber KEM, round-3, strong 128-bit security with larger parameters.

firesaberkem192r3() - Static method in class zeroecho.core.alg.saber.SaberKeyGenSpec

Creates a specification for the FireSaberKEM192R3 variant.

FIRESABERKEM192R3 - Enum constant in enum class zeroecho.core.alg.saber.SaberKeyGenSpec.Variant

FireSaber KEM, round-3, strong 192-bit security with larger parameters.

firesaberkem256r3() - Static method in class zeroecho.core.alg.saber.SaberKeyGenSpec

Creates a specification for the FireSaberKEM256R3 variant.

FIRESABERKEM256R3 - Enum constant in enum class zeroecho.core.alg.saber.SaberKeyGenSpec.Variant

FireSaber KEM, round-3, strong 256-bit security with larger parameters.

fixed(int) - Static method in interface zeroecho.core.alg.common.sig.GenericJcaSignatureContext.SignLengthResolver

Returns a resolver that always reports a fixed length.

fixed(int) - Static method in interface zeroecho.core.alg.common.sig.GenericJcaSignatureContext.VerifyLengthResolver

Returns a resolver that always reports a fixed length.

flagInContext(CtxInterface, Key<Boolean>) - Method in class zeroecho.sdk.builders.TagTrailerDataContentBuilder

Configures decryption to flag the verification outcome in the provided context instead of throwing.

FlagOkInCtx(ThrowingBiPredicate.VerificationBiPredicate<T>, CtxInterface, Key<Boolean>) - Constructor for class zeroecho.core.tag.ThrowingBiPredicate.FlagOkInCtx

Creates a new context-flagging decorator.

format(LogRecord) - Method in class zeroecho.logging.CompactOneLineFormatter

Formats a LogRecord into a single line.

Format a stream as Base64 command lines - Search tag in package zeroecho.sdk.content.export

Section

Format support - Search tag in class zeroecho.sdk.integrations.stegano.LSBSteganographyMethod

Section

forRsa(RsaEncSpec, Key, boolean) - Static method in class zeroecho.core.alg.rsa.BlockGeometry

Computes RSA block geometry for the given specification and key.

FRODO_1344_AES - Enum constant in enum class zeroecho.core.alg.frodo.FrodoKeyGenSpec.Variant

~256-bit security, AES-based pseudorandomness.

FRODO_1344_SHAKE - Enum constant in enum class zeroecho.core.alg.frodo.FrodoKeyGenSpec.Variant

~256-bit security, SHAKE-based pseudorandomness.

FRODO_640_AES - Enum constant in enum class zeroecho.core.alg.frodo.FrodoKeyGenSpec.Variant

128-bit security, AES-based pseudorandomness.

FRODO_640_SHAKE - Enum constant in enum class zeroecho.core.alg.frodo.FrodoKeyGenSpec.Variant

128-bit security, SHAKE-based pseudorandomness.

FRODO_976_AES - Enum constant in enum class zeroecho.core.alg.frodo.FrodoKeyGenSpec.Variant

~192-bit security, AES-based pseudorandomness.

FRODO_976_SHAKE - Enum constant in enum class zeroecho.core.alg.frodo.FrodoKeyGenSpec.Variant

~192-bit security, SHAKE-based pseudorandomness.

frodo1344aes() - Static method in class zeroecho.core.alg.frodo.FrodoKeyGenSpec

Convenience factory for the FrodoKeyGenSpec.Variant.FRODO_1344_AES parameter set.

frodo1344shake() - Static method in class zeroecho.core.alg.frodo.FrodoKeyGenSpec

Convenience factory for the FrodoKeyGenSpec.Variant.FRODO_1344_SHAKE parameter set.

frodo640aes() - Static method in class zeroecho.core.alg.frodo.FrodoKeyGenSpec

Convenience factory for the FrodoKeyGenSpec.Variant.FRODO_640_AES parameter set.

frodo640shake() - Static method in class zeroecho.core.alg.frodo.FrodoKeyGenSpec

Convenience factory for the FrodoKeyGenSpec.Variant.FRODO_640_SHAKE parameter set.

frodo976aes() - Static method in class zeroecho.core.alg.frodo.FrodoKeyGenSpec

Convenience factory for the FrodoKeyGenSpec.Variant.FRODO_976_AES parameter set.

frodo976shake() - Static method in class zeroecho.core.alg.frodo.FrodoKeyGenSpec

Convenience factory for the FrodoKeyGenSpec.Variant.FRODO_976_SHAKE parameter set.

FrodoAlgorithm - Class in zeroecho.core.alg.frodo

Frodo Key Encapsulation Mechanism (KEM)

FrodoAlgorithm() - Constructor for class zeroecho.core.alg.frodo.FrodoAlgorithm

Constructs and registers the Frodo post-quantum algorithm.

FrodoKemContext - Class in zeroecho.core.alg.frodo

FrodoKEM runtime context

FrodoKemContext(CryptoAlgorithm, PrivateKey) - Constructor for class zeroecho.core.alg.frodo.FrodoKemContext

Constructs a context bound to a private key for the KeyUsage.DECAPSULATE role.

FrodoKemContext(CryptoAlgorithm, PublicKey) - Constructor for class zeroecho.core.alg.frodo.FrodoKemContext

Constructs a context bound to a public key for the KeyUsage.ENCAPSULATE role.

FrodoKEM runtime context - Search tag in class zeroecho.core.alg.frodo.FrodoKemContext

Section

Frodo Key Encapsulation Mechanism (KEM) - Search tag in class zeroecho.core.alg.frodo.FrodoAlgorithm

Section

FrodoKeyGenSpec - Class in zeroecho.core.alg.frodo

Key generation specification for FrodoKEM

FrodoKeyGenSpec.Variant - Enum Class in zeroecho.core.alg.frodo

Enumerates the standardized FrodoKEM parameter sets.

FrodoPrivateKeySpec - Class in zeroecho.core.alg.frodo

Specification for importing a Frodo private key

FrodoPrivateKeySpec(byte[]) - Constructor for class zeroecho.core.alg.frodo.FrodoPrivateKeySpec

Creates a new specification from a PKCS#8 DER-encoded key.

FrodoPublicKeySpec - Class in zeroecho.core.alg.frodo

Specification for importing a Frodo public key

FrodoPublicKeySpec(byte[]) - Constructor for class zeroecho.core.alg.frodo.FrodoPublicKeySpec

Creates a new specification from an X.509 DER-encoded public key.

fromBase64(String) - Static method in class zeroecho.core.alg.aes.AesKeyImportSpec

Creates a specification from a Base64-encoded string.

fromBase64(String) - Static method in class zeroecho.core.alg.chacha.ChaChaKeyImportSpec

Creates a spec from a Base64 string.

fromBase64(String, String) - Static method in class zeroecho.core.alg.hmac.HmacKeyImportSpec

Creates a spec from a Base64-encoded key string.

fromHex(String) - Static method in class zeroecho.core.alg.aes.AesKeyImportSpec

Creates a specification from a hex-encoded string.

fromHex(String) - Static method in class zeroecho.core.alg.chacha.ChaChaKeyImportSpec

Creates a spec from a hexadecimal string.

fromHex(String, String) - Static method in class zeroecho.core.alg.hmac.HmacKeyImportSpec

Creates a spec from a hex-encoded key string.

fromRaw(byte[]) - Static method in class zeroecho.core.alg.aes.AesKeyImportSpec

Creates a specification from raw key bytes.

fromRaw(byte[]) - Static method in class zeroecho.core.alg.chacha.ChaChaKeyImportSpec

Creates a spec from a raw byte array.

fromRaw(String, byte[]) - Static method in class zeroecho.core.alg.hmac.HmacKeyImportSpec

Creates a spec from raw bytes.

fullName() - Method in record class zeroecho.sdk.integrations.stegano.StegoMetadata

Returns the value of the fullName record component.

G

GCM - Enum constant in enum class zeroecho.core.alg.aes.AesSpec.Mode

Galois/Counter Mode (GCM), an authenticated encryption mode (AEAD).

gcm128(SymmetricHeaderCodec) - Static method in class zeroecho.core.alg.aes.AesSpec

Creates a GCM specification with a 128‑bit authentication tag and the provided header codec.

GenerateCryptoCatalogTable - Class in zeroecho.core.util

Emits an HTML fragment with a table that summarizes discovered cryptographic algorithms.

generatedKey() - Method in class zeroecho.sdk.builders.alg.AesDataContentBuilder

Returns the generated secret key associated with this instance.

generateKey() - Method in class zeroecho.sdk.builders.alg.ChaChaDataContentBuilder

Requests generation of a fresh ChaCha key using a default 256-bit specification.

generateKey(int) - Method in class zeroecho.sdk.builders.alg.AesDataContentBuilder

Requests generation of a fresh AES key of the given size.

generateKey(int) - Method in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Requests generation of a new secret key sized for the configured MAC.

generateKeyPair() - Method in class zeroecho.core.CryptoAlgorithm

Generates a fresh KeyPair using the first asymmetric builder that successfully provides a default key specification.

generateKeyPair() - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Requests generation of a fresh key pair using the algorithm-specific key generation spec.

generateKeyPair(int) - Method in class zeroecho.sdk.builders.alg.ElgamalEncDataContentBuilder

Requests generation of a fresh ElGamal key pair with the specified modulus length and default certainty.

generateKeyPair(int, int) - Method in class zeroecho.sdk.builders.alg.RsaEncDataContentBuilder

Requests generation of a fresh RSA key pair using the given modulus size and public exponent.

generateKeyPair(String, S) - Static method in class zeroecho.core.CryptoAlgorithms

Convenience wrapper for CryptoAlgorithm.generateKeyPair(AlgorithmKeySpec).

generateKeyPair(S) - Method in class zeroecho.core.alg.common.eddsa.AbstractEdDSAKeyGenBuilder

Generates a new EdDSA key pair using JCA defaults.

generateKeyPair(S) - Method in class zeroecho.core.alg.common.eddsa.AbstractEncodedPrivateKeyBuilder

Unsupported in this builder, since generation is handled by the AbstractEdDSAKeyGenBuilder.

generateKeyPair(S) - Method in class zeroecho.core.alg.common.eddsa.AbstractEncodedPublicKeyBuilder

Unsupported in this builder, since key pair generation is handled by AbstractEdDSAKeyGenBuilder.

generateKeyPair(S) - Method in class zeroecho.core.CryptoAlgorithm

Generates a fresh KeyPair using the registered asymmetric builder for spec.

generateKeyPair(S) - Method in interface zeroecho.core.spi.AsymmetricKeyBuilder

Generates a new asymmetric key pair according to the given specification.

generateKeyPair(DhSpec) - Method in class zeroecho.core.alg.dh.DhKeyGenBuilder

Generates a Diffie-Hellman key pair for the given specification.

generateKeyPair(EcdhCurveSpec) - Method in class zeroecho.core.alg.ecdh.EcdhKeyGenBuilder

Generates a new elliptic curve key pair for use in ECDH key agreement.

generateKeyPair(EcdsaCurveSpec) - Method in class zeroecho.core.alg.ecdsa.EcdsaKeyGenBuilder

Generates a new elliptic curve key pair for the given curve specification.

generateKeyPair(EcdsaPrivateKeySpec) - Method in class zeroecho.core.alg.ecdsa.EcdsaPrivateKeyBuilder

Unsupported operation for this builder.

generateKeyPair(EcdsaPublicKeySpec) - Method in class zeroecho.core.alg.ecdsa.EcdsaPublicKeyBuilder

Unsupported operation for this builder.

generateKeyPair(ElgamalKeyGenSpec) - Method in class zeroecho.sdk.builders.alg.ElgamalEncDataContentBuilder

Requests generation of a fresh ElGamal key pair using the provided key generation specification.

generateKeyPair(ElgamalParamSpec) - Method in class zeroecho.sdk.builders.alg.ElgamalEncDataContentBuilder

Requests generation of a fresh ElGamal key pair using a predefined parameter set.

generateKeyPair(RsaKeyGenSpec) - Method in class zeroecho.sdk.builders.alg.RsaEncDataContentBuilder

Requests generation of a fresh RSA key pair with the provided key generation specification.

generateKeyPair(RsaKeyGenSpec) - Method in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Requests generation of a fresh RSA key pair with the provided key generation specification.

generateKeyPair(SphincsPlusKeyGenSpec) - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenBuilder

Generates a SPHINCS+ key pair using the given specification.

generateKeyPair(SphincsPlusPrivateKeySpec) - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusPrivateKeyBuilder

Not supported for this builder.

generateKeyPair(SphincsPlusPublicKeySpec) - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusPublicKeyBuilder

Not supported for this builder.

generateKeyPair(XdhSpec) - Method in class zeroecho.core.alg.xdh.XdhKeyGenBuilder

Generates a new XDH key pair using the JCA KeyPairGenerator.

generatePrintablePassword(int) - Static method in class zeroecho.sdk.util.Password

Generates a cryptographically secure random password consisting of printable ASCII characters.

generateRandom(byte[]) - Static method in class zeroecho.sdk.util.RandomSupport

Fills the given byte array with random bytes and returns it.

generateRandom(byte[], String) - Static method in class zeroecho.sdk.util.Password

Generates a random password by filling the provided byte array with cryptographically strong random bytes.

generateRandom(int) - Static method in class zeroecho.sdk.util.RandomSupport

Generates a secure random byte array of the specified size.

generateSecret(String, S) - Static method in class zeroecho.core.CryptoAlgorithms

Convenience wrapper for CryptoAlgorithm.generateSecret(AlgorithmKeySpec).

generateSecret(S) - Method in class zeroecho.core.CryptoAlgorithm

Generates a fresh symmetric SecretKey using the registered builder for spec.

generateSecret(S) - Method in interface zeroecho.core.spi.SymmetricKeyBuilder

Generates a new symmetric key according to the given specification.

Generator(Map<Character, Double>) - Constructor for class zeroecho.sdk.integrations.covert.TextualCodec.Generator

Constructs a new Generator with the specified character frequency distribution.

GenericJcaAgreementContext - Class in zeroecho.core.alg.common.agreement

Generic JCA-based Key Agreement Context

GenericJcaAgreementContext(CryptoAlgorithm, PrivateKey, String, String) - Constructor for class zeroecho.core.alg.common.agreement.GenericJcaAgreementContext

Creates a new JCA-based agreement context.

Generic JCA-based Key Agreement Context - Search tag in class zeroecho.core.alg.common.agreement.GenericJcaAgreementContext

Section

GenericJcaSignatureContext - Class in zeroecho.core.alg.common.sig

Adapts a JCA Signature to the streaming SignatureContext/TagEngine model.

GenericJcaSignatureContext(CryptoAlgorithm, PrivateKey, GenericJcaSignatureContext.EngineFactory, GenericJcaSignatureContext.SignLengthResolver) - Constructor for class zeroecho.core.alg.common.sig.GenericJcaSignatureContext

Constructs a SIGN-mode context.

GenericJcaSignatureContext(CryptoAlgorithm, PublicKey, GenericJcaSignatureContext.EngineFactory, GenericJcaSignatureContext.VerifyLengthResolver) - Constructor for class zeroecho.core.alg.common.sig.GenericJcaSignatureContext

Constructs a VERIFY-mode context.

GenericJcaSignatureContext.EngineFactory - Interface in zeroecho.core.alg.common.sig

Factory of initialized Signature engines.

GenericJcaSignatureContext.SignLengthResolver - Interface in zeroecho.core.alg.common.sig

Strategy for determining the signature trailer length in SIGN mode.

GenericJcaSignatureContext.VerifyLengthResolver - Interface in zeroecho.core.alg.common.sig

Strategy for determining the expected signature length in VERIFY mode.

get() - Method in class zeroecho.core.tag.TagEngineBuilder

Returns a new TagEngine produced by the underlying factory.

getAlgorithm() - Method in class zeroecho.core.NullKey

Returns the algorithm identifier for this sentinel key.

getAuditMode() - Static method in class zeroecho.core.CryptoAlgorithms

Returns the current auditing mode.

getChar() - Method in class zeroecho.sdk.integrations.covert.TextualCodec.Generator

Returns the next randomly generated character, avoiding consecutive duplicates when possible.

getChar(double) - Method in class zeroecho.sdk.integrations.covert.TextualCodec.Generator

Returns a character based on the provided value in the frequency range.

getEncoded() - Method in class zeroecho.core.NullKey

Returns the key in its primary encoding.

getExportMode() - Method in class zeroecho.sdk.content.api.AbstractExportableDataContent

Returns the currently selected export mode.

getExportMode() - Method in interface zeroecho.sdk.content.api.ExportableDataContent

Returns the current export mode.

getFlagOkInCtx(CtxInterface, Key<Boolean>) - Method in class zeroecho.core.tag.ThrowingBiPredicate.VerificationBiPredicate

Returns a decorator that records the verification outcome into the supplied context.

getFormat() - Method in class zeroecho.core.NullKey

Returns the primary encoding format for this sentinel key.

getMetadata() - Method in class zeroecho.sdk.integrations.stegano.LSBSteganographyMethod

Returns metadata describing this LSB spatial-domain steganography method.

getMetadata() - Method in interface zeroecho.sdk.integrations.stegano.SteganographyMethod

Returns metadata describing this steganographic method.

getPeerMessage() - Method in class zeroecho.core.alg.common.agreement.KemMessageAgreementAdapter

Returns the ciphertext produced by encapsulation.

getPeerMessage() - Method in interface zeroecho.core.context.MessageAgreementContext

Retrieves the peer message produced by this context.

getPrivate(String) - Method in class zeroecho.core.storage.KeyringStore

Resolves the private key bound to the alias.

getPrivateWithId(String) - Method in class zeroecho.core.storage.KeyringStore

Resolves a private key together with its algorithm identifier.

getPublic(String) - Method in class zeroecho.core.storage.KeyringStore

Resolves the public key bound to the alias.

getPublicWithId(String) - Method in class zeroecho.core.storage.KeyringStore

Resolves a public key together with its algorithm identifier.

getRandom() - Static method in class zeroecho.sdk.util.RandomSupport

Retrieves a SecureRandom instance.

getSecret(String) - Method in class zeroecho.core.storage.KeyringStore

Resolves the secret key bound to the alias.

getSecretWithId(String) - Method in class zeroecho.core.storage.KeyringStore

Resolves a secret key together with its algorithm identifier.

getStream() - Method in interface zeroecho.sdk.content.api.DataContent

Returns an InputStream representing the content's data.

getStream() - Method in class zeroecho.sdk.content.builtin.PlainBytes

Returns an InputStream for reading the byte array.

getStream() - Method in class zeroecho.sdk.content.builtin.PlainFile

Returns an InputStream for reading from the file.

getStream() - Method in class zeroecho.sdk.content.builtin.PlainString

Returns an InputStream of the UTF-8 encoded string.

getText(int) - Method in class zeroecho.sdk.integrations.covert.TextualCodec.Generator

Generates a string of the specified length using the configured character frequency distribution.

getThrowOnMismatch() - Method in class zeroecho.core.tag.ThrowingBiPredicate.VerificationBiPredicate

Returns a decorator that throws VerificationException if verification fails.

getVerificationCore() - Method in class zeroecho.core.alg.common.eddsa.CommonEdDSASignatureContext

Returns the core verification predicate used by this context.

getVerificationCore() - Method in class zeroecho.core.alg.common.sig.GenericJcaSignatureContext

Returns the core verification predicate for signature comparison.

getVerificationCore() - Method in class zeroecho.core.alg.digest.JcaDigestContext

Returns the core verification predicate for digest tags.

getVerificationCore() - Method in class zeroecho.core.alg.hmac.HmacMacContext

Returns the core verification predicate for HMAC tags.

getVerificationCore() - Method in class zeroecho.core.alg.rsa.RsaSignatureContext

Returns the core verification predicate for RSA signatures.

getVerificationCore() - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusSignatureContext

Returns the core verification predicate in use.

getVerificationCore() - Method in interface zeroecho.core.tag.TagEngine

Returns the current verification approach.

GPS - Enum constant in enum class zeroecho.sdk.integrations.covert.jpeg.Slot.SlotGroup

GPS metadata group, storing geolocation information like latitude, longitude, altitude, and GPS timestamp.

group - Variable in class zeroecho.sdk.integrations.covert.jpeg.Slot

The logical group (e.g., EXIF, GPS, TIFF) this slot belongs to.

H

HARAKA - Enum constant in enum class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec.Hash

Haraka (AES-based permutation) instantiation.

Hardening options - Search tag in package zeroecho.sdk.guard

Section

hash() - Method in class zeroecho.core.alg.rsa.RsaEncSpec

Returns the hash function used in OAEP.

hash() - Method in class zeroecho.core.alg.rsa.RsaSigSpec

Returns the hash algorithm.

hash() - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec

Returns the hash family of this specification.

hashCode() - Method in record class zeroecho.core.alg.aes.AesKeyGenSpec

Returns a hash code value for this object.

hashCode() - Method in record class zeroecho.core.alg.chacha.ChaChaKeyGenSpec

Returns a hash code value for this object.

hashCode() - Method in record class zeroecho.core.Capability

Returns a hash code value for this object.

hashCode() - Method in record class zeroecho.core.CryptoAlgorithm.SymBuilderInfo

Returns a hash code value for this object.

hashCode() - Method in class zeroecho.core.NullKey

Returns a stable hash code consistent with NullKey.equals(Object).

hashCode() - Method in record class zeroecho.core.storage.KeyringStore.PrivateWithId

Returns a hash code value for this object.

hashCode() - Method in record class zeroecho.core.storage.KeyringStore.PublicWithId

Returns a hash code value for this object.

hashCode() - Method in record class zeroecho.core.storage.KeyringStore.Record

Returns a hash code value for this object.

hashCode() - Method in record class zeroecho.core.storage.KeyringStore.SecretWithId

Returns a hash code value for this object.

hashCode() - Method in record class zeroecho.sdk.guard.UnlockMaterial.Password

Returns a hash code value for this object.

hashCode() - Method in record class zeroecho.sdk.guard.UnlockMaterial.Private

Returns a hash code value for this object.

hashCode() - Method in class zeroecho.sdk.integrations.covert.jpeg.Slot

Computes a hash code based on the slot's tag and directory.

hashCode() - Method in record class zeroecho.sdk.integrations.stegano.StegoMetadata

Returns a hash code value for this object.

header() - Method in class zeroecho.core.alg.aes.AesSpec

Returns the embedded header codec, if any.

header() - Method in class zeroecho.core.alg.chacha.ChaCha20Poly1305Spec

Returns the optional header codec.

header() - Method in interface zeroecho.core.alg.chacha.ChaChaBaseSpec

Returns the optional header codec used to serialize/deserialize stream headers for this ChaCha mode.

header() - Method in class zeroecho.core.alg.chacha.ChaChaSpec

Returns the optional header codec.

header(SymmetricHeaderCodec) - Method in class zeroecho.core.alg.aes.AesSpec.Builder

Installs a header codec used by the cipher context to persist and recover runtime parameters (e.g., IV, tag length, AAD hash).

header(SymmetricHeaderCodec) - Method in class zeroecho.core.alg.chacha.ChaCha20Poly1305Spec.Builder

Sets an optional streaming header codec.

header(SymmetricHeaderCodec) - Method in class zeroecho.core.alg.chacha.ChaChaSpec.Builder

Sets the optional header codec.

Header format - Search tag in class zeroecho.sdk.builders.alg.KemDataContentBuilder

Section

Header format - Search tag in package zeroecho.sdk.guard

Section

Header layout - Search tag in class zeroecho.core.alg.chacha.ChaCha20Poly1305HeaderCodec

Section

Header layout - Search tag in class zeroecho.core.alg.chacha.ChaChaHeaderCodec

Section

headerLimits(int, int) - Method in class zeroecho.sdk.guard.MultiRecipientDataSourceBuilder

Applies defensive limits for parsing the recipient table.

Headers, trailers, and verification - Search tag in package zeroecho.sdk.builders

Section

Header support - Search tag in interface zeroecho.core.alg.chacha.ChaChaBaseSpec

Section

hkdfSha256(byte[]) - Method in class zeroecho.sdk.builders.alg.KemDataContentBuilder

Configures HKDF-SHA256 as the key derivation function using the provided info context string.

hkdfSha256(byte[], byte[], byte[], int) - Static method in class zeroecho.sdk.util.Kdf

Derives length bytes of key material using HKDF-SHA256 as specified in RFC 5869.

hmac(SecretKey, HmacSpec) - Static method in class zeroecho.core.tag.TagEngineBuilder

Creates a builder for a keyed HMAC engine.

HmacAlgorithm - Class in zeroecho.core.alg.hmac

HMAC Algorithm Integration

HmacAlgorithm() - Constructor for class zeroecho.core.alg.hmac.HmacAlgorithm

Constructs and registers the HMAC algorithm.

HMAC Algorithm Integration - Search tag in class zeroecho.core.alg.hmac.HmacAlgorithm

Section

HmacDataContentBuilder - Class in zeroecho.sdk.builders.alg

HmacDataContentBuilder constructs streaming pipelines that compute or verify HMAC tags while an InputStream is consumed.

HmacDataContentBuilder.Mode - Enum Class in zeroecho.sdk.builders.alg

Mode selects whether the pipeline computes an HMAC tag or verifies one.

HmacKeyGenSpec - Class in zeroecho.core.alg.hmac

Specification for HMAC key generation

HmacKeyGenSpec(String, int) - Constructor for class zeroecho.core.alg.hmac.HmacKeyGenSpec

Constructs a new specification for HMAC key generation.

HmacKeyImportSpec - Class in zeroecho.core.alg.hmac

Specification for importing raw HMAC keys into a SecretKey.

HmacKeyImportSpec(String, byte[]) - Constructor for class zeroecho.core.alg.hmac.HmacKeyImportSpec

Constructs a new HMAC key import specification.

HmacMacContext - Class in zeroecho.core.alg.hmac

Streaming HMAC context backed by the JCA Mac API.

HmacMacContext(CryptoAlgorithm, SecretKey, String) - Constructor for class zeroecho.core.alg.hmac.HmacMacContext

Constructs an HMAC context for the given algorithm and key.

HmacSpec - Class in zeroecho.core.alg.hmac

Specification for HMAC operation parameters

HmacSpec(String) - Constructor for class zeroecho.core.alg.hmac.HmacSpec

Constructs a new HMAC spec for the given algorithm.

How algorithms plug in - Search tag in package zeroecho.core.spi

Section

How estimation works - Search tag in class zeroecho.core.policy.SecurityStrengthAdvisor

Section

How it works - Search tag in class zeroecho.core.io.TailStrippingInputStream

Section

hps2048_509() - Static method in class zeroecho.core.alg.ntru.NtruKeyGenSpec

Returns a spec for the NTRU-HPS-2048-509 parameter set.

HPS2048_509 - Enum constant in enum class zeroecho.core.alg.ntru.NtruKeyGenSpec.Variant

NTRU-HPS-2048-509 parameter set.

hps2048_677() - Static method in class zeroecho.core.alg.ntru.NtruKeyGenSpec

Returns a spec for the NTRU-HPS-2048-677 parameter set.

HPS2048_677 - Enum constant in enum class zeroecho.core.alg.ntru.NtruKeyGenSpec.Variant

NTRU-HPS-2048-677 parameter set.

hps4096_1229() - Static method in class zeroecho.core.alg.ntru.NtruKeyGenSpec

Returns a spec for the NTRU-HPS-4096-1229 parameter set.

HPS4096_1229 - Enum constant in enum class zeroecho.core.alg.ntru.NtruKeyGenSpec.Variant

NTRU-HPS-4096-1229 parameter set.

hps4096_821() - Static method in class zeroecho.core.alg.ntru.NtruKeyGenSpec

Returns a spec for the NTRU-HPS-4096-821 parameter set.

HPS4096_821 - Enum constant in enum class zeroecho.core.alg.ntru.NtruKeyGenSpec.Variant

NTRU-HPS-4096-821 parameter set.

HQC_128 - Enum constant in enum class zeroecho.core.alg.hqc.HqcKeyGenSpec.Variant

HQC-128 parameter set (128-bit classical security).

HQC_192 - Enum constant in enum class zeroecho.core.alg.hqc.HqcKeyGenSpec.Variant

HQC-192 parameter set (192-bit classical security).

HQC_256 - Enum constant in enum class zeroecho.core.alg.hqc.HqcKeyGenSpec.Variant

HQC-256 parameter set (256-bit classical security).

HQC (Hamming Quasi-Cyclic) Algorithm Integration - Search tag in class zeroecho.core.alg.hqc.HqcAlgorithm

Section

hqc128() - Static method in class zeroecho.core.alg.hqc.HqcKeyGenSpec

Returns a specification for the HQC-128 parameter set.

hqc192() - Static method in class zeroecho.core.alg.hqc.HqcKeyGenSpec

Returns a specification for the HQC-192 parameter set.

hqc256() - Static method in class zeroecho.core.alg.hqc.HqcKeyGenSpec

Returns a specification for the HQC-256 parameter set.

HqcAlgorithm - Class in zeroecho.core.alg.hqc

HQC (Hamming Quasi-Cyclic) Algorithm Integration

HqcAlgorithm() - Constructor for class zeroecho.core.alg.hqc.HqcAlgorithm

Constructs and registers the HQC algorithm with the BouncyCastle PQC provider.

HqcKemContext - Class in zeroecho.core.alg.hqc

HQC KEM Context

HqcKemContext(CryptoAlgorithm, PrivateKey) - Constructor for class zeroecho.core.alg.hqc.HqcKemContext

Constructs a decapsulation context using the recipient's private key.

HqcKemContext(CryptoAlgorithm, PublicKey) - Constructor for class zeroecho.core.alg.hqc.HqcKemContext

Constructs an encapsulation context using the recipient's public key.

HQC KEM Context - Search tag in class zeroecho.core.alg.hqc.HqcKemContext

Section

HQC Key Generation Specification - Search tag in class zeroecho.core.alg.hqc.HqcKeyGenSpec

Section

HqcKeyGenSpec - Class in zeroecho.core.alg.hqc

HQC Key Generation Specification

HqcKeyGenSpec.Variant - Enum Class in zeroecho.core.alg.hqc

Enumeration of HQC parameter sets.

HqcPrivateKeySpec - Class in zeroecho.core.alg.hqc

HQC Private Key Specification

HqcPrivateKeySpec(byte[]) - Constructor for class zeroecho.core.alg.hqc.HqcPrivateKeySpec

Constructs a new private key spec from a PKCS#8-encoded byte array.

HQC Private Key Specification - Search tag in class zeroecho.core.alg.hqc.HqcPrivateKeySpec

Section

HqcPublicKeySpec - Class in zeroecho.core.alg.hqc

HQC Public Key Specification

HqcPublicKeySpec(byte[]) - Constructor for class zeroecho.core.alg.hqc.HqcPublicKeySpec

Constructs a new public key spec from an X.509-encoded byte array.

HQC Public Key Specification - Search tag in class zeroecho.core.alg.hqc.HqcPublicKeySpec

Section

hrss1373() - Static method in class zeroecho.core.alg.ntru.NtruKeyGenSpec

Returns a spec for the NTRU-HRSS-1373 parameter set.

HRSS1373 - Enum constant in enum class zeroecho.core.alg.ntru.NtruKeyGenSpec.Variant

NTRU-HRSS-1373 parameter set.

hrss701() - Static method in class zeroecho.core.alg.ntru.NtruKeyGenSpec

Returns a spec for the NTRU-HRSS-701 parameter set.

HRSS701 - Enum constant in enum class zeroecho.core.alg.ntru.NtruKeyGenSpec.Variant

NTRU-HRSS-701 parameter set.

I

id() - Method in class zeroecho.core.CryptoAlgorithm

Returns the canonical identifier of this algorithm.

id() - Method in class zeroecho.sdk.guard.EncCtxRecipient

Returns the identifier string for this recipient mechanism.

id() - Method in class zeroecho.sdk.guard.KemCtxRecipient

Returns the identifier string for this recipient mechanism.

id() - Method in class zeroecho.sdk.guard.PasswordRecipient

Returns the recipient entry identifier used in the header.

id() - Method in interface zeroecho.sdk.guard.Recipient

Returns a stable, self-describing identifier for this recipient entry.

Identity and uniqueness - Search tag in class zeroecho.core.CryptoCatalog

Section

ImageFormat - Enum Class in zeroecho.sdk.integrations.stegano

Enumeration of image formats supported for steganographic processing.

Immutability - Search tag in class zeroecho.core.alg.saber.SaberPrivateKeySpec

Section

Immutability - Search tag in class zeroecho.core.alg.saber.SaberPublicKeySpec

Section

Immutability thread-safety - Search tag in class zeroecho.core.CryptoCatalog

Section

Implementation notes - Search tag in interface zeroecho.core.tag.TagEngine

Section

Import from hex/Base64 - Search tag in class zeroecho.core.alg.hmac.HmacKeyImportSpec

Section

Import from raw bytes - Search tag in class zeroecho.core.alg.hmac.HmacKeyImportSpec

Section

importKeyBase64(String) - Method in class zeroecho.sdk.builders.alg.AesDataContentBuilder

Imports a Base64‑encoded AES key (no padding required).

importKeyBase64(String) - Method in class zeroecho.sdk.builders.alg.ChaChaDataContentBuilder

Imports a secret key from a Base64 string.

importKeyBase64(String) - Method in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Imports a secret key from a Base64 string.

importKeyHex(String) - Method in class zeroecho.sdk.builders.alg.AesDataContentBuilder

Imports a hex‑encoded AES key (32/48/64 hex chars).

importKeyHex(String) - Method in class zeroecho.sdk.builders.alg.ChaChaDataContentBuilder

Imports a secret key from a hexadecimal string.

importKeyHex(String) - Method in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Imports a secret key from a hexadecimal string.

importKeyRaw(byte[]) - Method in class zeroecho.sdk.builders.alg.AesDataContentBuilder

Imports a raw AES key (16/24/32 bytes).

importKeyRaw(byte[]) - Method in class zeroecho.sdk.builders.alg.ChaChaDataContentBuilder

Imports a secret key from raw key bytes appropriate for the selected ChaCha variant.

importKeyRaw(byte[]) - Method in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Imports a secret key from raw bytes.

importPrivate(String, S) - Static method in class zeroecho.core.CryptoAlgorithms

Convenience wrapper for CryptoAlgorithm.importPrivate(AlgorithmKeySpec).

importPrivate(S) - Method in class zeroecho.core.alg.common.eddsa.AbstractEdDSAKeyGenBuilder

Always throws, as this builder does not support private key import.

importPrivate(S) - Method in class zeroecho.core.alg.common.eddsa.AbstractEncodedPrivateKeyBuilder

Imports an EdDSA private key from its PKCS#8-encoded form.

importPrivate(S) - Method in class zeroecho.core.alg.common.eddsa.AbstractEncodedPublicKeyBuilder

Unsupported in this builder, since private key import is delegated to the matching *PrivateKeySpec builder.

importPrivate(S) - Method in class zeroecho.core.CryptoAlgorithm

Imports a PrivateKey using the registered asymmetric builder for spec.

importPrivate(S) - Method in interface zeroecho.core.spi.AsymmetricKeyBuilder

Imports an externally supplied private key according to the given specification.

importPrivate(DhSpec) - Method in class zeroecho.core.alg.dh.DhKeyGenBuilder

Unsupported for DH in this builder.

importPrivate(EcdhCurveSpec) - Method in class zeroecho.core.alg.ecdh.EcdhKeyGenBuilder

Unsupported operation for this builder.

importPrivate(EcdsaCurveSpec) - Method in class zeroecho.core.alg.ecdsa.EcdsaKeyGenBuilder

Unsupported operation for this builder.

importPrivate(EcdsaPrivateKeySpec) - Method in class zeroecho.core.alg.ecdsa.EcdsaPrivateKeyBuilder

Imports a private key from a PKCS#8 encoded specification.

importPrivate(EcdsaPublicKeySpec) - Method in class zeroecho.core.alg.ecdsa.EcdsaPublicKeyBuilder

Unsupported operation for this builder.

importPrivate(SphincsPlusKeyGenSpec) - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenBuilder

Not supported for this builder.

importPrivate(SphincsPlusPrivateKeySpec) - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusPrivateKeyBuilder

Imports a SPHINCS+ private key from PKCS#8 encoding.

importPrivate(SphincsPlusPublicKeySpec) - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusPublicKeyBuilder

Not supported for this builder.

importPrivate(XdhSpec) - Method in class zeroecho.core.alg.xdh.XdhKeyGenBuilder

Not supported: importing XDH private keys is outside the scope of this builder.

importPrivatePkcs8(byte[]) - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Provides a PKCS#8-encoded private key to import using the default provider hint.

importPrivatePkcs8(byte[]) - Method in class zeroecho.sdk.builders.alg.ElgamalEncDataContentBuilder

Imports a private key from PKCS#8-encoded bytes.

importPrivatePkcs8(byte[]) - Method in class zeroecho.sdk.builders.alg.RsaEncDataContentBuilder

Imports a private key from PKCS#8-encoded bytes.

importPrivatePkcs8(byte[]) - Method in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Imports a private key from PKCS#8-encoded bytes.

importPrivatePkcs8(byte[], String) - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Provides a PKCS#8-encoded private key to import using the given provider name.

importPublic(String, S) - Static method in class zeroecho.core.CryptoAlgorithms

Convenience wrapper for CryptoAlgorithm.importPublic(AlgorithmKeySpec).

importPublic(S) - Method in class zeroecho.core.alg.common.eddsa.AbstractEdDSAKeyGenBuilder

Always throws, as this builder does not support public key import.

importPublic(S) - Method in class zeroecho.core.alg.common.eddsa.AbstractEncodedPrivateKeyBuilder

Unsupported in this builder, since public key import is delegated to the matching *PublicKeySpec builder.

importPublic(S) - Method in class zeroecho.core.alg.common.eddsa.AbstractEncodedPublicKeyBuilder

Imports an EdDSA public key from its X.509-encoded form.

importPublic(S) - Method in class zeroecho.core.CryptoAlgorithm

Imports a PublicKey using the registered asymmetric builder for spec.

importPublic(S) - Method in interface zeroecho.core.spi.AsymmetricKeyBuilder

Imports an externally supplied public key according to the given specification.

importPublic(DhSpec) - Method in class zeroecho.core.alg.dh.DhKeyGenBuilder

Unsupported for DH in this builder.

importPublic(EcdhCurveSpec) - Method in class zeroecho.core.alg.ecdh.EcdhKeyGenBuilder

Unsupported operation for this builder.

importPublic(EcdsaCurveSpec) - Method in class zeroecho.core.alg.ecdsa.EcdsaKeyGenBuilder

Unsupported operation for this builder.

importPublic(EcdsaPrivateKeySpec) - Method in class zeroecho.core.alg.ecdsa.EcdsaPrivateKeyBuilder

Unsupported operation for this builder.

importPublic(EcdsaPublicKeySpec) - Method in class zeroecho.core.alg.ecdsa.EcdsaPublicKeyBuilder

Imports a public key from an X.509 SubjectPublicKeyInfo specification.

importPublic(SphincsPlusKeyGenSpec) - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenBuilder

Not supported for this builder.

importPublic(SphincsPlusPrivateKeySpec) - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusPrivateKeyBuilder

Not supported for this builder.

importPublic(SphincsPlusPublicKeySpec) - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusPublicKeyBuilder

Imports a SPHINCS+ public key from X.509 encoding.

importPublic(XdhSpec) - Method in class zeroecho.core.alg.xdh.XdhKeyGenBuilder

Not supported: importing XDH public keys is outside the scope of this builder.

importPublicX509(byte[]) - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Provides an X.509-encoded public key to import using the default provider hint.

importPublicX509(byte[]) - Method in class zeroecho.sdk.builders.alg.ElgamalEncDataContentBuilder

Imports a public key from X.509 SubjectPublicKeyInfo bytes.

importPublicX509(byte[]) - Method in class zeroecho.sdk.builders.alg.RsaEncDataContentBuilder

Imports a public key from X.509 SubjectPublicKeyInfo bytes.

importPublicX509(byte[]) - Method in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Imports a public key from X.509 SubjectPublicKeyInfo bytes.

importPublicX509(byte[], String) - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Provides an X.509-encoded public key to import using the given provider name.

importSecret(String, S) - Static method in class zeroecho.core.CryptoAlgorithms

Convenience wrapper for CryptoAlgorithm.importSecret(AlgorithmKeySpec).

importSecret(S) - Method in class zeroecho.core.CryptoAlgorithm

Imports an existing symmetric SecretKey using the registered builder for spec.

importSecret(S) - Method in interface zeroecho.core.spi.SymmetricKeyBuilder

Imports an externally provided symmetric key according to the given specification.

importText(String, boolean) - Method in class zeroecho.core.storage.KeyringStore

Imports a versioned, line-oriented snippet into this store.

inBuf - Variable in class zeroecho.core.io.AbstractChunkTransformInputStream

Input buffer storing data read from the upstream stream.

inBuf - Variable in class zeroecho.core.io.AbstractPassthroughInputStream

Scratch buffer used to read from FilterInputStream.in.

inChunkSize - Variable in class zeroecho.core.alg.rsa.BlockGeometry

Number of input bytes per block.

inChunkSize - Variable in class zeroecho.core.io.AbstractChunkTransformInputStream

Size of one logical input chunk.

includeStackTraces(boolean) - Method in class zeroecho.core.audit.JulAuditListenerStd.Builder

Controls whether JulAuditListenerStd.onFailure(String, String, String, Throwable) appends a stack trace in addition to the structured summary.

infoLevel(Level) - Method in class zeroecho.core.audit.JulAuditListenerStd.Builder

Sets the level for informational events.

init() - Static method in class zeroecho.sdk.util.BouncyCastleActivator

Explicitly logs the activation of the Bouncy Castle provider.

initCipher(Cipher, byte[]) - Method in class zeroecho.core.alg.chacha.ChaChaCipherContext

Initializes the cipher in the configured mode with the supplied nonce and counter.

initialCounter() - Method in class zeroecho.core.alg.chacha.ChaChaSpec

Returns the configured initial counter.

initialCounter(int) - Method in class zeroecho.core.alg.chacha.ChaChaSpec.Builder

Sets the initial counter value.

initialCounter(int) - Method in class zeroecho.sdk.builders.alg.ChaChaDataContentBuilder

Sets the initial counter for ChaCha20 stream mode.

Initialization steps - Search tag in zeroecho.core.alg.hmac.HmacAlgorithm.HmacAlgorithm()

Section

INITIATOR - Enum constant in enum class zeroecho.core.alg.common.agreement.KemMessageAgreementAdapter.Role

Initiator: produces a peer message via encapsulation.

inLen - Variable in class zeroecho.core.io.AbstractChunkTransformInputStream

Number of valid bytes currently in inBuf.

input - Variable in class zeroecho.sdk.content.api.AbstractExportableDataContent

The input data to be exported.

Inputs and parsing - Search tag in class zeroecho.core.policy.SecurityStrengthAdvisor

Section

INSTANCE - Enum constant in enum class zeroecho.core.spec.VoidSpec

Singleton instance representing the absence of per-operation parameters.

INSTANCE - Static variable in class zeroecho.core.NullKey

Singleton instance for all uses where a Key is required but no key exists.

Integration of BIKE (Bit Flipping Key Encapsulation) algorithm - Search tag in class zeroecho.core.alg.bike.BikeAlgorithm

Section

Intended use - Search tag in Overview

Section

Intended uses - Search tag in class zeroecho.core.NullKey

Section

INTEROP - Enum constant in enum class zeroecho.sdk.integrations.covert.jpeg.Slot.SlotGroup

Interoperability metadata group, used to ensure compatibility across different file formats or devices.

isComplete() - Method in class zeroecho.sdk.util.Pack7LStreamWriter

Checks whether the payload has been fully written.

isXof() - Method in enum class zeroecho.core.alg.digest.DigestSpec.Algorithm

Indicates whether this algorithm is an XOF (extendable-output function).

iv(String) - Static method in class zeroecho.core.ConfluxKeys

Returns a typed key for the initialization vector (IV) of a given algorithm.

J

jca() - Method in enum class zeroecho.core.alg.digest.DigestSpec.Algorithm

Returns the canonical JCA algorithm name.

JcaDigestContext - Class in zeroecho.core.alg.digest

Digest context that adapts a JCA MessageDigest to a pull-based streaming pipeline.

JcaDigestContext(CryptoAlgorithm, MessageDigest, DigestSpec) - Constructor for class zeroecho.core.alg.digest.JcaDigestContext

Creates a new digest context bound to a JCA MessageDigest.

jcaFactory() - Method in enum class zeroecho.core.alg.ecdh.EcdhCurveSpec

Returns the JCA factory name of the corresponding signature algorithm (ECDSA with hash, P1363 encoding).

jcaFactory() - Method in enum class zeroecho.core.alg.ecdsa.EcdsaCurveSpec

Returns the JCA algorithm identifier for this curve.

jcaFactory(String, String) - Static method in class zeroecho.core.alg.common.sig.GenericJcaSignatureContext

Convenience factory that produces a JCA Signature initialized for sign or verify.

jcaKeyFactoryAlg() - Method in class zeroecho.core.alg.common.eddsa.AbstractEncodedPrivateKeyBuilder

Returns the canonical JCA algorithm identifier used by KeyFactory.getInstance(String).

jcaKeyFactoryAlg() - Method in class zeroecho.core.alg.common.eddsa.AbstractEncodedPublicKeyBuilder

Returns the canonical JCA algorithm identifier used by KeyFactory.getInstance(String).

jcaKeyFactoryAlg() - Method in class zeroecho.core.alg.ed25519.Ed25519PrivateKeyBuilder

Returns the canonical JCA algorithm name for Ed25519 key factories.

jcaKeyFactoryAlg() - Method in class zeroecho.core.alg.ed25519.Ed25519PublicKeyBuilder

Returns the canonical JCA algorithm name for Ed25519 key factories.

jcaKeyFactoryAlg() - Method in class zeroecho.core.alg.ed448.Ed448PrivateKeyBuilder

Returns the canonical JCA key factory algorithm name for Ed448.

jcaKeyFactoryAlg() - Method in class zeroecho.core.alg.ed448.Ed448PublicKeyBuilder

Returns the canonical JCA key factory algorithm name for Ed448.

jcaKeyPairAlg() - Method in class zeroecho.core.alg.common.eddsa.AbstractEdDSAKeyGenBuilder

Returns the JCA algorithm name understood by KeyPairGenerator.

jcaKeyPairAlg() - Method in class zeroecho.core.alg.ed25519.Ed25519KeyGenBuilder

Returns the canonical JCA algorithm name for Ed25519 key-pair generation.

jcaKeyPairAlg() - Method in class zeroecho.core.alg.ed448.Ed448KeyGenBuilder

Returns the canonical JCA algorithm identifier for Ed448 key pair generation.

jceName() - Method in class zeroecho.core.alg.chacha.ChaChaCipherContext

Returns "ChaCha20" as the JCE transformation.

JPEG - Enum constant in enum class zeroecho.sdk.integrations.stegano.ImageFormat

Joint Photographic Experts Group format.

JpegExifEmbedder - Class in zeroecho.sdk.integrations.covert.jpeg

Utility class for embedding and extracting binary payloads across multiple EXIF slots in JPEG files.

JpegExifEmbedder() - Constructor for class zeroecho.sdk.integrations.covert.jpeg.JpegExifEmbedder

JulAuditListenerStd - Class in zeroecho.core.audit

AuditListener implementation that emits structured Java Util Logging records.

JulAuditListenerStd.Builder - Class in zeroecho.core.audit

Fluent factory for JulAuditListenerStd.

K

Kdf - Class in zeroecho.sdk.util

HKDF utilities for deriving symmetric keys from a KEM shared secret.

kem(String) - Method in class zeroecho.sdk.builders.alg.KemDataContentBuilder

Sets the canonical KEM algorithm identifier to use (e.g., "ML-KEM").

KEM - Enum constant in enum class zeroecho.core.AlgorithmFamily

Key encapsulation mechanisms (encapsulate/decapsulate).

KemContext - Interface in zeroecho.core.context

Context for performing key encapsulation and decapsulation (KEM) operations.

KemContext.KemResult - Class in zeroecho.core.context

Encapsulation result holding both ciphertext and shared secret.

KemCtxOpener - Class in zeroecho.sdk.guard

Opener for "KEM:<algId>:GCM-WRAP" entries.

KemCtxOpener() - Constructor for class zeroecho.sdk.guard.KemCtxOpener

Derive the context on demand from entryId and private key.

KemCtxOpener(KemContext) - Constructor for class zeroecho.sdk.guard.KemCtxOpener

Use the provided context once for the matching entry.

KemCtxRecipient - Class in zeroecho.sdk.guard

Recipient implementation that derives a key-encryption key (KEK) via a KemContext encapsulation and uses it to wrap a content-encryption key (CEK).

KemCtxRecipient(KemContext, int, int) - Constructor for class zeroecho.sdk.guard.KemCtxRecipient

Constructs a recipient that uses the given KEM context and parameters.

KemCtxRecipient(KemContext, int, int, boolean) - Constructor for class zeroecho.sdk.guard.KemCtxRecipient

Constructs a recipient that wraps content-encryption keys (CEKs) using the given KEM context and HKDF-based key derivation parameters.

KemDataContentBuilder - Class in zeroecho.sdk.builders.alg

KEM-based envelope builder that first collects KEM parameters and only then delegates to an explicit symmetric builder for the payload.

KEM envelopes - Search tag in package zeroecho.sdk.builders.alg

Section

KemMessageAgreementAdapter - Class in zeroecho.core.alg.common.agreement

Adapter: using a KEM as a message-based agreement primitive

KemMessageAgreementAdapter.Builder - Class in zeroecho.core.alg.common.agreement

Builder for KemMessageAgreementAdapter.

KemMessageAgreementAdapter.Role - Enum Class in zeroecho.core.alg.common.agreement

Role of the adapter: initiator or responder.

KemResult(byte[], byte[]) - Constructor for class zeroecho.core.context.KemContext.KemResult

Creates a new result object with the provided values.

key - Variable in class zeroecho.core.alg.chacha.ChaChaCipherContext

Symmetric key used by this context.

key() - Method in class zeroecho.core.alg.aes.AesCipherContext

Returns the key bound to this context.

key() - Method in class zeroecho.core.alg.aes.AesKeyImportSpec

Returns a defensive copy of the key bytes.

key() - Method in class zeroecho.core.alg.bike.BikeKemContext

Returns the underlying key bound to this context.

key() - Method in class zeroecho.core.alg.chacha.ChaChaCipherContext

Returns the key bound to this context.

key() - Method in class zeroecho.core.alg.chacha.ChaChaKeyImportSpec

Returns a defensive copy of the raw key.

key() - Method in class zeroecho.core.alg.cmce.CmceKemContext

Returns the key bound to this context.

key() - Method in class zeroecho.core.alg.common.agreement.GenericJcaAgreementContext

Returns the local private key bound to this agreement context.

key() - Method in class zeroecho.core.alg.common.agreement.KemMessageAgreementAdapter

Returns the key bound to the underlying KEM context.

key() - Method in class zeroecho.core.alg.common.eddsa.CommonEdDSASignatureContext

Returns the signing or verification key bound to this context.

key() - Method in class zeroecho.core.alg.common.sig.GenericJcaSignatureContext

Returns the key bound to this context.

key() - Method in class zeroecho.core.alg.digest.JcaDigestContext

Returns the key associated with this context.

key() - Method in class zeroecho.core.alg.elgamal.ElgamalCipherContext

Returns the key bound to this context.

key() - Method in class zeroecho.core.alg.frodo.FrodoKemContext

Returns the key bound to this context.

key() - Method in class zeroecho.core.alg.hmac.HmacKeyImportSpec

Returns a defensive copy of the raw key material.

key() - Method in class zeroecho.core.alg.hmac.HmacMacContext

Returns the key used for HMAC operations.

key() - Method in class zeroecho.core.alg.hqc.HqcKemContext

Returns the bound key (public or private) for this context.

key() - Method in class zeroecho.core.alg.kyber.KyberKemContext

Returns the key bound to this context.

key() - Method in class zeroecho.core.alg.ntru.NtruKemContext

Returns the key this context is bound to.

key() - Method in class zeroecho.core.alg.ntruprime.NtrulPrimeKemContext

Returns the key bound to this context.

key() - Method in class zeroecho.core.alg.ntruprime.SntruPrimeKemContext

Returns the key bound to this context.

key() - Method in class zeroecho.core.alg.rsa.RsaCipherContext

Returns the key bound to this context.

key() - Method in class zeroecho.core.alg.rsa.RsaSignatureContext

Returns the key bound to this context.

key() - Method in class zeroecho.core.alg.saber.SaberKemContext

Returns the key bound to this context.

key() - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusSignatureContext

Returns the key bound to this context.

key() - Method in interface zeroecho.core.context.CryptoContext

Returns the key bound to this context.

key() - Method in class zeroecho.core.marshal.PairSeq.Cursor

Returns the current key.

key() - Method in record class zeroecho.core.storage.KeyringStore.PrivateWithId

Returns the value of the key record component.

key() - Method in record class zeroecho.core.storage.KeyringStore.PublicWithId

Returns the value of the key record component.

key() - Method in record class zeroecho.core.storage.KeyringStore.SecretWithId

Returns the value of the key record component.

key() - Method in record class zeroecho.sdk.guard.UnlockMaterial.Private

Returns the value of the key record component.

keyAgreementName() - Method in enum class zeroecho.core.alg.xdh.XdhSpec

Returns the canonical JCA name for KeyAgreement.

keyAt(int) - Method in class zeroecho.core.marshal.PairSeq

Returns the key at the given index.

Key builders - Search tag in class zeroecho.core.CryptoAlgorithm

Section

Key builders - Search tag in class zeroecho.core.alg.ecdh.EcdhAlgorithm

Section

Key builders - Search tag in class zeroecho.core.alg.ecdsa.EcdsaAlgorithm

Section

Key builders - Search tag in class zeroecho.core.alg.hqc.HqcAlgorithm

Section

Key builders - Search tag in class zeroecho.core.alg.kyber.KyberAlgorithm

Section

Key builders - Search tag in class zeroecho.core.alg.ntru.NtruAlgorithm

Section

Key builders - Search tag in class zeroecho.core.alg.rsa.RsaAlgorithm

Section

Key builders - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusAlgorithm

Section

Key concepts - Search tag in package zeroecho.core.alg

Section

Key elements - Search tag in package zeroecho.core.annotation

Section

Key elements - Search tag in package zeroecho.core.audit

Section

Key elements - Search tag in package zeroecho.core.io

Section

Key elements - Search tag in package zeroecho.core.marshal

Section

Key elements - Search tag in package zeroecho.core.policy

Section

Key elements - Search tag in package zeroecho.core.spec

Section

Key elements - Search tag in package zeroecho.core.storage

Section

Key elements - Search tag in package zeroecho.sdk.content.api

Section

Key elements - Search tag in package zeroecho.sdk.content.export

Section

Key elements - Search tag in package zeroecho.sdk.integrations.covert

Section

Key elements - Search tag in package zeroecho.sdk.integrations.covert.jpeg

Section

Key elements - Search tag in package zeroecho.sdk.io

Section

Key elements - Search tag in package zeroecho.sdk.util

Section

Key generation specification for FrodoKEM - Search tag in class zeroecho.core.alg.frodo.FrodoKeyGenSpec

Section

keyGenSpecClass() - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Returns the key generation specification class for the algorithm.

keyGenSpecClass() - Method in class zeroecho.sdk.builders.alg.EcdsaDataContentBuilder

Returns the class object of the key generation specification used by this builder.

keyGenSpecClass() - Method in class zeroecho.sdk.builders.alg.Ed25519DataContentBuilder

Returns the key generation specification class used by this builder.

keyGenSpecClass() - Method in class zeroecho.sdk.builders.alg.Ed448DataContentBuilder

Returns the key generation specification class used by this builder.

keyGenSpecClass() - Method in class zeroecho.sdk.builders.alg.SphincsPlusDataContentBuilder

Returns the key generation specification class used by this builder.

Key handling - Search tag in class zeroecho.sdk.builders.alg.Ed25519DataContentBuilder

Section

Key handling - Search tag in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Section

Key ideas - Search tag in package zeroecho.sdk.guard

Section

Key management - Search tag in class zeroecho.core.alg.hmac.HmacAlgorithm

Section

Key management - Search tag in class zeroecho.sdk.builders.alg.SphincsPlusDataContentBuilder

Section

Key management - Search tag in package zeroecho.sdk.builders.alg

Section

Key Management - Search tag in class zeroecho.core.alg.frodo.FrodoAlgorithm

Section

Key material - Search tag in class zeroecho.core.alg.ed25519.Ed25519Algorithm

Section

Key material - Search tag in class zeroecho.core.alg.ed448.Ed448Algorithm

Section

Key material - Search tag in class zeroecho.core.alg.elgamal.ElgamalAlgorithm

Section

Key material - Search tag in class zeroecho.core.alg.ntruprime.NtrulPrimeAlgorithm

Section

Key material - Search tag in class zeroecho.core.alg.ntruprime.SntruPrimeAlgorithm

Section

Key material - Search tag in class zeroecho.sdk.builders.alg.ChaChaDataContentBuilder

Section

Key material - Search tag in class zeroecho.sdk.builders.alg.ElgamalEncDataContentBuilder

Section

Key material - Search tag in class zeroecho.sdk.builders.alg.RsaEncDataContentBuilder

Section

Key material and builders - Search tag in class zeroecho.core.alg.xdh.XdhAlgorithm

Section

Key material and formats - Search tag in class zeroecho.core.alg.ntru.NtruKemContext

Section

Key material builders and the spec-class keyed registry - Search tag in package zeroecho.core.spi

Section

Key material import and generation - Search tag in class zeroecho.core.alg.saber.SaberAlgorithm

Section

keyPair(String, S) - Static method in class zeroecho.core.CryptoAlgorithms

Generates a fresh asymmetric KeyPair for the given algorithm id and spec.

Key-pair builder for Ed25519 - Search tag in class zeroecho.core.alg.ed25519.Ed25519KeyGenBuilder

Section

Key resolution order - Search tag in zeroecho.sdk.builders.alg.ElgamalEncDataContentBuilder.build(boolean)

Section

KeyringStore - Class in zeroecho.core.storage

Human-editable keyring persisted in a simple UTF-8 text format.

KeyringStore() - Constructor for class zeroecho.core.storage.KeyringStore

KeyringStore.PrivateWithId - Record Class in zeroecho.core.storage

PrivateWithId pairs the algorithm identifier with a resolved private key.

KeyringStore.PublicWithId - Record Class in zeroecho.core.storage

PublicWithId pairs the algorithm identifier with a resolved public key.

KeyringStore.Record - Record Class in zeroecho.core.storage

Immutable entry in a KeyringStore.

KeyringStore.Record.Kind - Enum Class in zeroecho.core.storage

Enumeration of supported key kinds.

KeyringStore.SecretWithId - Record Class in zeroecho.core.storage

SecretWithId pairs the algorithm identifier with a resolved secret key.

keySize() - Method in class zeroecho.core.alg.elgamal.ElgamalKeyGenSpec

Returns the modulus size in bits.

keySize() - Method in class zeroecho.core.alg.elgamal.ElgamalParamSpec

Returns the modulus size in bits.

keySize() - Method in class zeroecho.core.alg.rsa.RsaKeyGenSpec

Returns the modulus length in bits.

keySizeBits() - Method in record class zeroecho.core.alg.aes.AesKeyGenSpec

Returns the value of the keySizeBits record component.

keySizeBits() - Method in record class zeroecho.core.alg.chacha.ChaChaKeyGenSpec

Returns the value of the keySizeBits record component.

keySizeBits() - Method in class zeroecho.core.alg.hmac.HmacKeyGenSpec

Returns the key size requested for generation.

keyType() - Method in record class zeroecho.core.Capability

Returns the value of the keyType record component.

KeyUsage - Enum Class in zeroecho.core

Declares the intended purpose(s) of a cryptographic key.

kind() - Method in record class zeroecho.core.storage.KeyringStore.Record

Returns the value of the kind record component.

kpgName() - Method in enum class zeroecho.core.alg.xdh.XdhSpec

Returns the canonical JCA name for KeyPairGenerator.

kyber1024() - Static method in class zeroecho.core.alg.kyber.KyberKeyGenSpec

Creates a specification for Kyber-1024 key generation.

KYBER1024 - Enum constant in enum class zeroecho.core.alg.kyber.KyberKeyGenSpec.Variant

Kyber-1024, NIST level 5 security strength.

kyber512() - Static method in class zeroecho.core.alg.kyber.KyberKeyGenSpec

Creates a specification for Kyber-512 key generation.

KYBER512 - Enum constant in enum class zeroecho.core.alg.kyber.KyberKeyGenSpec.Variant

Kyber-512, NIST level 1 security strength.

kyber768() - Static method in class zeroecho.core.alg.kyber.KyberKeyGenSpec

Creates a specification for Kyber-768 key generation.

KYBER768 - Enum constant in enum class zeroecho.core.alg.kyber.KyberKeyGenSpec.Variant

Kyber-768, NIST level 3 security strength.

KyberAlgorithm - Class in zeroecho.core.alg.kyber

Concrete CryptoAlgorithm implementation for the post-quantum key encapsulation mechanism (KEM) Kyber, standardized as ML-KEM.

KyberAlgorithm() - Constructor for class zeroecho.core.alg.kyber.KyberAlgorithm

Provides ML-KEM (Kyber) integration backed by the Bouncy Castle PQC provider and registers capabilities and key builders required for KEM usage and message agreement.

KyberKemContext - Class in zeroecho.core.alg.kyber

KyberKemContext is a lightweight KEM context used to perform Kyber (ML-KEM) encapsulation or decapsulation.

KyberKemContext(CryptoAlgorithm, PrivateKey) - Constructor for class zeroecho.core.alg.kyber.KyberKemContext

Creates a context in decapsulation role bound to the given private key.

KyberKemContext(CryptoAlgorithm, PublicKey) - Constructor for class zeroecho.core.alg.kyber.KyberKemContext

Creates a context in encapsulation role bound to the given public key.

KyberKeyGenSpec - Class in zeroecho.core.alg.kyber

Key generation specification for the Kyber (ML-KEM) algorithm family.

KyberKeyGenSpec.Variant - Enum Class in zeroecho.core.alg.kyber

Enumerates the supported Kyber parameter sets.

KyberPrivateKeySpec - Class in zeroecho.core.alg.kyber

Specification wrapper for a Kyber (ML-KEM) private key encoded in PKCS#8.

KyberPrivateKeySpec(byte[]) - Constructor for class zeroecho.core.alg.kyber.KyberPrivateKeySpec

Creates a new spec from PKCS#8-encoded private key bytes.

KyberPublicKeySpec - Class in zeroecho.core.alg.kyber

Specification wrapper for a Kyber (ML-KEM) public key encoded in X.509.

KyberPublicKeySpec(byte[]) - Constructor for class zeroecho.core.alg.kyber.KyberPublicKeySpec

Creates a new spec from X.509-encoded public key bytes.

L

L1_128 - Enum constant in enum class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec.Security

NIST Level 1 (~128-bit security).

L3_192 - Enum constant in enum class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec.Security

NIST Level 3 (~192-bit security).

L5_256 - Enum constant in enum class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec.Security

NIST Level 5 (~256-bit security).

label() - Method in class zeroecho.core.alg.rsa.RsaEncSpec

Returns the OAEP label as a defensive copy.

Layering - Search tag in Overview

Section

Length resolution - Search tag in package zeroecho.core.alg.common.sig

Section

Length resolvers - Search tag in class zeroecho.core.alg.common.sig.GenericJcaSignatureContext

Section

Lifecycle - Search tag in class zeroecho.core.alg.common.agreement.GenericJcaAgreementContext

Section

Lifecycle - Search tag in class zeroecho.core.alg.common.agreement.KemMessageAgreementAdapter

Section

Lifecycle - Search tag in interface zeroecho.core.context.AgreementContext

Section

Lifecycle - Search tag in interface zeroecho.core.context.CryptoContext

Section

Lifecycle - Search tag in interface zeroecho.core.context.EncryptionContext

Section

Lifecycle - Search tag in interface zeroecho.core.context.KemContext

Section

Lifecycle - Search tag in interface zeroecho.core.context.MessageAgreementContext

Section

Lifecycle and safety - Search tag in package zeroecho.core.context

Section

Lifecycle and thread-safety - Search tag in class zeroecho.core.alg.saber.SaberKemContext

Section

Lifecycle and usage notes - Search tag in package zeroecho.core.alg.common.agreement

Section

lightsaberkem128r3() - Static method in class zeroecho.core.alg.saber.SaberKeyGenSpec

Creates a specification for the LightSaberKEM128R3 variant.

LIGHTSABERKEM128R3 - Enum constant in enum class zeroecho.core.alg.saber.SaberKeyGenSpec.Variant

LightSaber KEM, round-3, targeting ~128-bit security with smallest footprint.

lightsaberkem192r3() - Static method in class zeroecho.core.alg.saber.SaberKeyGenSpec

Creates a specification for the LightSaberKEM192R3 variant.

LIGHTSABERKEM192R3 - Enum constant in enum class zeroecho.core.alg.saber.SaberKeyGenSpec.Variant

LightSaber KEM, round-3, targeting ~192-bit security.

lightsaberkem256r3() - Static method in class zeroecho.core.alg.saber.SaberKeyGenSpec

Creates a specification for the LightSaberKEM256R3 variant.

LIGHTSABERKEM256R3 - Enum constant in enum class zeroecho.core.alg.saber.SaberKeyGenSpec.Variant

LightSaber KEM, round-3, targeting ~256-bit security.

listCapabilities() - Method in class zeroecho.core.CryptoAlgorithm

Returns an immutable view of the algorithm’s declared capabilities.

load() - Static method in class zeroecho.core.CryptoCatalog

Discovers CryptoAlgorithm implementations via ServiceLoader and returns an immutable catalog snapshot.

load(Path) - Static method in class zeroecho.core.storage.KeyringStore

Loads a keyring from a UTF-8 text file.

loadCertificate(String) - Static method in class zeroecho.sdk.util.X509Support

Loads an X509Certificate from a PEM file.

loadCSR(String) - Static method in class zeroecho.sdk.util.X509Support

Loads a PKCS#10 Certification Request (CSR) from a PEM file.

LOG - Static variable in interface zeroecho.core.tag.TagEngine

logger(Logger) - Method in class zeroecho.core.audit.JulAuditListenerStd.Builder

Sets the JUL logger that will receive audit messages.

Logging format - Search tag in class zeroecho.core.audit.JulAuditListenerStd

Section

LSBSteganographyMethod - Class in zeroecho.sdk.integrations.stegano

Least Significant Bit steganography implementation operating in the spatial domain.

LSBSteganographyMethod() - Constructor for class zeroecho.sdk.integrations.stegano.LSBSteganographyMethod

M

mac() - Method in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Switches the builder to MAC mode.

MAC - Enum constant in enum class zeroecho.core.KeyUsage

Compute a keyed message authentication code (e.g., HMAC, KMAC).

MAC - Enum constant in enum class zeroecho.sdk.builders.alg.HmacDataContentBuilder.Mode

Compute an HMAC tag over the input stream.

MacContext - Interface in zeroecho.core.context

Context for computing message authentication codes (MACs) in streaming pipelines.

macName() - Method in class zeroecho.core.alg.hmac.HmacKeyGenSpec

Returns the JCA algorithm name of the HMAC variant.

macName() - Method in class zeroecho.core.alg.hmac.HmacKeyImportSpec

Returns the HMAC algorithm name.

macName() - Method in class zeroecho.core.alg.hmac.HmacSpec

Returns the canonical JCA algorithm name of this spec.

main(String[]) - Static method in class zeroecho.core.util.GenerateCryptoCatalogTable

Generates a standalone HTML fragment (no <html> or <head>) to the given file.

makePrivateKeySpec(byte[], String) - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Builds a private key import specification from PKCS#8-encoded bytes.

makePrivateKeySpec(byte[], String) - Method in class zeroecho.sdk.builders.alg.EcdsaDataContentBuilder

Creates a private key import specification from PKCS#8-encoded bytes.

makePrivateKeySpec(byte[], String) - Method in class zeroecho.sdk.builders.alg.Ed25519DataContentBuilder

Builds a private key import specification from PKCS#8-encoded PrivateKeyInfo bytes.

makePrivateKeySpec(byte[], String) - Method in class zeroecho.sdk.builders.alg.Ed448DataContentBuilder

Builds a private key import specification from PKCS#8-encoded PrivateKeyInfo bytes.

makePrivateKeySpec(byte[], String) - Method in class zeroecho.sdk.builders.alg.SphincsPlusDataContentBuilder

Builds a private key import specification from PKCS#8-encoded PrivateKeyInfo bytes and an optional provider hint.

makePublicKeySpec(byte[], String) - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Builds a public key import specification from X.509-encoded bytes.

makePublicKeySpec(byte[], String) - Method in class zeroecho.sdk.builders.alg.EcdsaDataContentBuilder

Creates a public key import specification from X.509-encoded bytes.

makePublicKeySpec(byte[], String) - Method in class zeroecho.sdk.builders.alg.Ed25519DataContentBuilder

Builds a public key import specification from X.509-encoded SubjectPublicKeyInfo bytes.

makePublicKeySpec(byte[], String) - Method in class zeroecho.sdk.builders.alg.Ed448DataContentBuilder

Builds a public key import specification from X.509-encoded SubjectPublicKeyInfo bytes.

makePublicKeySpec(byte[], String) - Method in class zeroecho.sdk.builders.alg.SphincsPlusDataContentBuilder

Builds a public key import specification from X.509-encoded SubjectPublicKeyInfo bytes and an optional provider hint.

MANUAL - Enum constant in enum class zeroecho.core.CryptoAlgorithms.AuditMode

No wrapping and no automatic events.

markSupported() - Method in class zeroecho.core.io.TailStrippingInputStream

Indicates that mark/reset is not supported.

marshal(T) - Method in interface zeroecho.core.marshal.Codec

Converts a domain value into its serialized representation.

marshal(T) - Method in class zeroecho.core.marshal.PairSeqCodec

Encodes a domain object to PairSeq by invoking its marshal() method.

marshal(AesKeyImportSpec) - Static method in class zeroecho.core.alg.aes.AesKeyImportSpec

Serializes this specification into a key/value sequence, encoding the key in Base64.

marshal(BikePrivateKeySpec) - Static method in class zeroecho.core.alg.bike.BikePrivateKeySpec

Serializes the spec to a PairSeq with base64 encoding.

marshal(BikePublicKeySpec) - Static method in class zeroecho.core.alg.bike.BikePublicKeySpec

Serializes the spec to a PairSeq with base64 encoding.

marshal(ChaChaKeyImportSpec) - Static method in class zeroecho.core.alg.chacha.ChaChaKeyImportSpec

Serializes this spec into a PairSeq, storing the key as Base64.

marshal(CmcePrivateKeySpec) - Static method in class zeroecho.core.alg.cmce.CmcePrivateKeySpec

Serializes the given private key spec into a PairSeq.

marshal(CmcePublicKeySpec) - Static method in class zeroecho.core.alg.cmce.CmcePublicKeySpec

Serializes the given public key spec into a PairSeq.

marshal(DhPrivateKeySpec) - Static method in class zeroecho.core.alg.dh.DhPrivateKeySpec

Marshals the given DH private key spec into a PairSeq.

marshal(DhPublicKeySpec) - Static method in class zeroecho.core.alg.dh.DhPublicKeySpec

Marshals the given DH public key spec into a PairSeq.

marshal(EcdsaPrivateKeySpec) - Static method in class zeroecho.core.alg.ecdsa.EcdsaPrivateKeySpec

Serializes this specification into a PairSeq.

marshal(EcdsaPublicKeySpec) - Static method in class zeroecho.core.alg.ecdsa.EcdsaPublicKeySpec

Serializes this specification into a PairSeq.

marshal(Ed25519PrivateKeySpec) - Static method in class zeroecho.core.alg.ed25519.Ed25519PrivateKeySpec

Serializes the given private key spec to a base64-encoded PairSeq.

marshal(Ed25519PublicKeySpec) - Static method in class zeroecho.core.alg.ed25519.Ed25519PublicKeySpec

Serializes the given public key spec to a base64-encoded PairSeq.

marshal(Ed448PrivateKeySpec) - Static method in class zeroecho.core.alg.ed448.Ed448PrivateKeySpec

Serializes this key spec into a PairSeq record.

marshal(Ed448PublicKeySpec) - Static method in class zeroecho.core.alg.ed448.Ed448PublicKeySpec

Serializes this key spec into a PairSeq record.

marshal(ElgamalPrivateKeySpec) - Static method in class zeroecho.core.alg.elgamal.ElgamalPrivateKeySpec

Serializes this spec into a PairSeq.

marshal(ElgamalPublicKeySpec) - Static method in class zeroecho.core.alg.elgamal.ElgamalPublicKeySpec

Serializes this spec into a PairSeq.

marshal(FrodoPrivateKeySpec) - Static method in class zeroecho.core.alg.frodo.FrodoPrivateKeySpec

Serializes this spec into a PairSeq, encoding the key as Base64 without padding.

marshal(FrodoPublicKeySpec) - Static method in class zeroecho.core.alg.frodo.FrodoPublicKeySpec

Serializes this spec into a PairSeq, encoding the key in Base64 without padding.

marshal(HmacKeyImportSpec) - Static method in class zeroecho.core.alg.hmac.HmacKeyImportSpec

Serializes a spec into a PairSeq.

marshal(HqcPrivateKeySpec) - Static method in class zeroecho.core.alg.hqc.HqcPrivateKeySpec

Serializes this spec into a PairSeq with Base64-encoded key data.

marshal(HqcPublicKeySpec) - Static method in class zeroecho.core.alg.hqc.HqcPublicKeySpec

Serializes this spec into a PairSeq with Base64-encoded key data.

marshal(KyberPrivateKeySpec) - Static method in class zeroecho.core.alg.kyber.KyberPrivateKeySpec

Serializes this spec into a PairSeq using Base64 encoding.

marshal(KyberPublicKeySpec) - Static method in class zeroecho.core.alg.kyber.KyberPublicKeySpec

Serializes this spec into a PairSeq using Base64 encoding.

marshal(NtruPrivateKeySpec) - Static method in class zeroecho.core.alg.ntru.NtruPrivateKeySpec

Serializes this specification into a simple name-value sequence.

marshal(NtruPublicKeySpec) - Static method in class zeroecho.core.alg.ntru.NtruPublicKeySpec

Serializes this specification into a simple name-value sequence.

marshal(NtrulPrimePrivateKeySpec) - Static method in class zeroecho.core.alg.ntruprime.NtrulPrimePrivateKeySpec

Serializes this specification into a PairSeq.

marshal(NtrulPrimePublicKeySpec) - Static method in class zeroecho.core.alg.ntruprime.NtrulPrimePublicKeySpec

Serializes this specification into a PairSeq.

marshal(SntruPrimePrivateKeySpec) - Static method in class zeroecho.core.alg.ntruprime.SntruPrimePrivateKeySpec

Serializes this specification into a PairSeq.

marshal(SntruPrimePublicKeySpec) - Static method in class zeroecho.core.alg.ntruprime.SntruPrimePublicKeySpec

Serializes this specification into a PairSeq.

marshal(RsaPrivateKeySpec) - Static method in class zeroecho.core.alg.rsa.RsaPrivateKeySpec

Marshals this spec to a PairSeq.

marshal(RsaPublicKeySpec) - Static method in class zeroecho.core.alg.rsa.RsaPublicKeySpec

Marshals this spec to a PairSeq.

marshal(SaberPrivateKeySpec) - Static method in class zeroecho.core.alg.saber.SaberPrivateKeySpec

Serializes this specification into a compact PairSeq form.

marshal(SaberPublicKeySpec) - Static method in class zeroecho.core.alg.saber.SaberPublicKeySpec

Serializes this specification into a compact PairSeq form.

marshal(SphincsPlusPrivateKeySpec) - Static method in class zeroecho.core.alg.sphincsplus.SphincsPlusPrivateKeySpec

Serializes this specification into a PairSeq.

marshal(SphincsPlusPublicKeySpec) - Static method in class zeroecho.core.alg.sphincsplus.SphincsPlusPublicKeySpec

Serializes this specification into a PairSeq.

marshal(XdhPrivateKeySpec) - Static method in class zeroecho.core.alg.xdh.XdhPrivateKeySpec

Serializes the given key specification into a PairSeq with base64 encoding.

marshal(XdhPublicKeySpec) - Static method in class zeroecho.core.alg.xdh.XdhPublicKeySpec

Serializes the given key specification into a PairSeq with base64 encoding.

Marshalling - Search tag in class zeroecho.core.alg.chacha.ChaChaKeyImportSpec

Section

Marshalling - Search tag in class zeroecho.core.alg.cmce.CmcePrivateKeySpec

Section

Marshalling - Search tag in class zeroecho.core.alg.cmce.CmcePublicKeySpec

Section

maxKemCiphertextLen(int) - Method in class zeroecho.sdk.builders.alg.KemDataContentBuilder

Sets a safety limit for the KEM ciphertext length accepted in decryption.

MCELIECE_348864 - Enum constant in enum class zeroecho.core.alg.cmce.CmceKeyGenSpec.Variant

McEliece 348864, standard parameter set (128-bit security).

MCELIECE_348864F - Enum constant in enum class zeroecho.core.alg.cmce.CmceKeyGenSpec.Variant

McEliece 348864, fast parameter set (128-bit security).

MCELIECE_460896 - Enum constant in enum class zeroecho.core.alg.cmce.CmceKeyGenSpec.Variant

McEliece 460896, standard parameter set (128-bit security, larger keys).

MCELIECE_460896F - Enum constant in enum class zeroecho.core.alg.cmce.CmceKeyGenSpec.Variant

McEliece 460896, fast parameter set (128-bit security, larger keys).

MCELIECE_6688128 - Enum constant in enum class zeroecho.core.alg.cmce.CmceKeyGenSpec.Variant

McEliece 6688128, standard parameter set (192-bit security).

MCELIECE_6688128F - Enum constant in enum class zeroecho.core.alg.cmce.CmceKeyGenSpec.Variant

McEliece 6688128, fast parameter set (192-bit security).

MCELIECE_6960119 - Enum constant in enum class zeroecho.core.alg.cmce.CmceKeyGenSpec.Variant

McEliece 6960119, standard parameter set (192-bit security, alternative form).

MCELIECE_6960119F - Enum constant in enum class zeroecho.core.alg.cmce.CmceKeyGenSpec.Variant

McEliece 6960119, fast parameter set (192-bit security, alternative form).

MCELIECE_8192128 - Enum constant in enum class zeroecho.core.alg.cmce.CmceKeyGenSpec.Variant

McEliece 8192128, standard parameter set (256-bit security).

MCELIECE_8192128F - Enum constant in enum class zeroecho.core.alg.cmce.CmceKeyGenSpec.Variant

McEliece 8192128, fast parameter set (256-bit security).

mceliece348864() - Static method in class zeroecho.core.alg.cmce.CmceKeyGenSpec

Convenience factory for CmceKeyGenSpec.Variant.MCELIECE_348864.

mceliece348864f() - Static method in class zeroecho.core.alg.cmce.CmceKeyGenSpec

Convenience factory for CmceKeyGenSpec.Variant.MCELIECE_348864F.

mceliece460896() - Static method in class zeroecho.core.alg.cmce.CmceKeyGenSpec

Convenience factory for CmceKeyGenSpec.Variant.MCELIECE_460896.

mceliece460896f() - Static method in class zeroecho.core.alg.cmce.CmceKeyGenSpec

Convenience factory for CmceKeyGenSpec.Variant.MCELIECE_460896F.

mceliece6688128() - Static method in class zeroecho.core.alg.cmce.CmceKeyGenSpec

Convenience factory for CmceKeyGenSpec.Variant.MCELIECE_6688128.

mceliece6688128f() - Static method in class zeroecho.core.alg.cmce.CmceKeyGenSpec

Convenience factory for CmceKeyGenSpec.Variant.MCELIECE_6688128F.

mceliece6960119() - Static method in class zeroecho.core.alg.cmce.CmceKeyGenSpec

Convenience factory for CmceKeyGenSpec.Variant.MCELIECE_6960119.

mceliece6960119f() - Static method in class zeroecho.core.alg.cmce.CmceKeyGenSpec

Convenience factory for CmceKeyGenSpec.Variant.MCELIECE_6960119F.

mceliece8192128() - Static method in class zeroecho.core.alg.cmce.CmceKeyGenSpec

Convenience factory for CmceKeyGenSpec.Variant.MCELIECE_8192128.

mceliece8192128f() - Static method in class zeroecho.core.alg.cmce.CmceKeyGenSpec

Convenience factory for CmceKeyGenSpec.Variant.MCELIECE_8192128F.

MessageAgreementContext - Interface in zeroecho.core.context

Extension of AgreementContext for message-based key agreement protocols.

Metadata - Search tag in class zeroecho.core.CryptoAlgorithm

Section

minStrength(int) - Static method in interface zeroecho.core.policy.CryptoPolicy

Returns a policy that enforces a minimum estimated key strength.

mode - Variable in class zeroecho.sdk.content.api.AbstractExportableDataContent

The export mode (RAW, BASH_SCRIPT, CMD_SCRIPT, etc.).

mode() - Method in class zeroecho.core.alg.aes.AesSpec

Returns the selected AES mode.

mode() - Method in class zeroecho.core.alg.rsa.RsaSigSpec

Returns the signature mode.

mode() - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec

Returns the construction mode of this specification.

mode(AesSpec.Mode) - Method in class zeroecho.core.alg.aes.AesSpec.Builder

Selects the AES mode.

modeCbcNoPadding() - Method in class zeroecho.sdk.builders.alg.AesDataContentBuilder

Selects CBC/NOPADDING.

modeCbcPkcs5() - Method in class zeroecho.sdk.builders.alg.AesDataContentBuilder

Selects CBC/PKCS5PADDING.

modeCtr() - Method in class zeroecho.sdk.builders.alg.AesDataContentBuilder

Selects CTR with NOPADDING.

modeGcm(int) - Method in class zeroecho.sdk.builders.alg.AesDataContentBuilder

Selects GCM and sets the authentication tag length in bits.

Modes - Search tag in class zeroecho.core.alg.rsa.RsaSignatureContext

Section

Modes - Search tag in enum class zeroecho.core.CryptoAlgorithms.AuditMode

Section

Modes and outputs - Search tag in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Section

Modes and usage - Search tag in class zeroecho.core.alg.common.sig.GenericJcaSignatureContext

Section

MultiRecipientDataSourceBuilder - Class in zeroecho.sdk.guard

Builds a data content pipeline that supports multiple recipients and delegates payload encryption to AES or ChaCha builders.

MultiRecipientDataSourceBuilder() - Constructor for class zeroecho.sdk.guard.MultiRecipientDataSourceBuilder

N

name() - Method in record class zeroecho.sdk.integrations.stegano.StegoMetadata

Returns the value of the name record component.

newSignContext(CryptoAlgorithm, PrivateKey) - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Creates a SignatureContext in sign mode for the given algorithm and private key.

newSignContext(CryptoAlgorithm, PrivateKey) - Method in class zeroecho.sdk.builders.alg.EcdsaDataContentBuilder

Creates a signing SignatureContext for the active curve using the provided algorithm and key.

newSignContext(CryptoAlgorithm, PrivateKey) - Method in class zeroecho.sdk.builders.alg.Ed25519DataContentBuilder

Creates a signing SignatureContext for Ed25519 using the provided algorithm instance and private key.

newSignContext(CryptoAlgorithm, PrivateKey) - Method in class zeroecho.sdk.builders.alg.Ed448DataContentBuilder

Creates a signing SignatureContext for Ed448 using the provided algorithm instance and private key.

newSignContext(CryptoAlgorithm, PrivateKey) - Method in class zeroecho.sdk.builders.alg.SphincsPlusDataContentBuilder

Creates a signing SignatureContext for SPHINCS+ using the provided algorithm instance and private key.

newVerifyContext(CryptoAlgorithm, PublicKey) - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Creates a SignatureContext in verify mode for the given algorithm and public key.

newVerifyContext(CryptoAlgorithm, PublicKey) - Method in class zeroecho.sdk.builders.alg.EcdsaDataContentBuilder

Creates a verification SignatureContext for the active curve using the provided algorithm and key.

newVerifyContext(CryptoAlgorithm, PublicKey) - Method in class zeroecho.sdk.builders.alg.Ed25519DataContentBuilder

Creates a verification SignatureContext for Ed25519 using the provided algorithm instance and public key.

newVerifyContext(CryptoAlgorithm, PublicKey) - Method in class zeroecho.sdk.builders.alg.Ed448DataContentBuilder

Creates a verification SignatureContext for Ed448 using the provided algorithm instance and public key.

newVerifyContext(CryptoAlgorithm, PublicKey) - Method in class zeroecho.sdk.builders.alg.SphincsPlusDataContentBuilder

Creates a verification SignatureContext for SPHINCS+ using the provided algorithm instance and public key.

next() - Method in class zeroecho.core.marshal.PairSeq.Cursor

Advances to the next pair if available.

nonce(String) - Static method in class zeroecho.core.ConfluxKeys

Returns a typed key for a nonce value of a given algorithm.

noop() - Static method in interface zeroecho.core.audit.AuditListener

Returns a ready-to-use listener that performs no actions.

noPadding() - Static method in class zeroecho.core.alg.elgamal.ElgamalEncSpec

Returns an ElgamalEncSpec with no padding.

noPadding() - Method in class zeroecho.sdk.builders.alg.ElgamalEncDataContentBuilder

Selects the no-padding variant of ElGamal encryption.

NOPADDING - Enum constant in enum class zeroecho.core.alg.aes.AesSpec.Padding

No padding.

NOPADDING - Enum constant in enum class zeroecho.core.alg.elgamal.ElgamalEncSpec.Padding

No padding applied.

Notes - Search tag in class zeroecho.core.alg.chacha.ChaCha20Poly1305Spec

Section

Notes - Search tag in class zeroecho.core.alg.common.agreement.GenericJcaAgreementContext

Section

Notes - Search tag in class zeroecho.core.alg.ecdh.EcdhAlgorithm

Section

Notes - Search tag in class zeroecho.core.alg.rsa.RsaSignatureContext

Section

Notes - Search tag in class zeroecho.sdk.util.Kdf

Section

Notes - Search tag in interface zeroecho.core.context.SignatureContext

Section

Notes - Search tag in package zeroecho.sdk.builders.core

Section

Notes - Search tag in package zeroecho.sdk.content.api

Section

Notes - Search tag in package zeroecho.sdk.integrations.covert

Section

Notes - Search tag in zeroecho.core.io.CipherTransformInputStreamBuilder.withFinalizationOutputChunks(int)

Section

Notes and recommendations - Search tag in package zeroecho.core.storage

Section

NtruAlgorithm - Class in zeroecho.core.alg.ntru

NtruAlgorithm exposes the NTRU KEM from the Bouncy Castle PQC provider and adapts it for both KEM and message-based agreement roles.

NtruAlgorithm() - Constructor for class zeroecho.core.alg.ntru.NtruAlgorithm

Creates an algorithm instance that registers KEM and AGREEMENT roles and wires asymmetric key builders for generation and X.509/PKCS#8 import.

NtruKemContext - Class in zeroecho.core.alg.ntru

NtruKemContext performs NTRU key encapsulation and decapsulation against a single key and parameter set.

NtruKemContext(CryptoAlgorithm, PrivateKey) - Constructor for class zeroecho.core.alg.ntru.NtruKemContext

Creates a decapsulation context bound to the provided private key.

NtruKemContext(CryptoAlgorithm, PublicKey) - Constructor for class zeroecho.core.alg.ntru.NtruKemContext

Creates an encapsulation context bound to the provided public key.

NtruKeyGenSpec - Class in zeroecho.core.alg.ntru

NtruKeyGenSpec selects an NTRU parameter set for key pair generation.

NtruKeyGenSpec.Variant - Enum Class in zeroecho.core.alg.ntru

Variant enumerates supported NTRU parameter sets for key generation.

ntrulpr1013() - Static method in class zeroecho.core.alg.ntruprime.NtrulPrimeKeyGenSpec

Creates a key generation specification for the NtrulPrimeKeyGenSpec.Variant.NTRULPR1013 parameter set.

NTRULPR1013 - Enum constant in enum class zeroecho.core.alg.ntruprime.NtrulPrimeKeyGenSpec.Variant

Variant beyond 256-bit, with larger parameters.

ntrulpr1277() - Static method in class zeroecho.core.alg.ntruprime.NtrulPrimeKeyGenSpec

Creates a key generation specification for the NtrulPrimeKeyGenSpec.Variant.NTRULPR1277 parameter set.

NTRULPR1277 - Enum constant in enum class zeroecho.core.alg.ntruprime.NtrulPrimeKeyGenSpec.Variant

Highest-strength standardized variant.

ntrulpr653() - Static method in class zeroecho.core.alg.ntruprime.NtrulPrimeKeyGenSpec

Creates a key generation specification for the NtrulPrimeKeyGenSpec.Variant.NTRULPR653 parameter set.

NTRULPR653 - Enum constant in enum class zeroecho.core.alg.ntruprime.NtrulPrimeKeyGenSpec.Variant

Variant with ~128-bit classical security.

ntrulpr761() - Static method in class zeroecho.core.alg.ntruprime.NtrulPrimeKeyGenSpec

Creates a key generation specification for the NtrulPrimeKeyGenSpec.Variant.NTRULPR761 parameter set.

NTRULPR761 - Enum constant in enum class zeroecho.core.alg.ntruprime.NtrulPrimeKeyGenSpec.Variant

Variant with ~192-bit classical security.

ntrulpr857() - Static method in class zeroecho.core.alg.ntruprime.NtrulPrimeKeyGenSpec

Creates a key generation specification for the NtrulPrimeKeyGenSpec.Variant.NTRULPR857 parameter set.

NTRULPR857 - Enum constant in enum class zeroecho.core.alg.ntruprime.NtrulPrimeKeyGenSpec.Variant

Variant with ~256-bit classical security.

ntrulpr953() - Static method in class zeroecho.core.alg.ntruprime.NtrulPrimeKeyGenSpec

Creates a key generation specification for the NtrulPrimeKeyGenSpec.Variant.NTRULPR953 parameter set.

NTRULPR953 - Enum constant in enum class zeroecho.core.alg.ntruprime.NtrulPrimeKeyGenSpec.Variant

Variant beyond 256-bit, with larger parameters.

NtrulPrimeAlgorithm - Class in zeroecho.core.alg.ntruprime

Configures and exposes the NTRU LPRime post-quantum KEM and a message-agreement adapter backed by the Bouncy Castle PQC provider.

NtrulPrimeAlgorithm() - Constructor for class zeroecho.core.alg.ntruprime.NtrulPrimeAlgorithm

Creates a new algorithm wrapper for NTRU LPRime and registers its KEM and agreement capabilities, together with key builders for generation and import.

NtrulPrimeKemContext - Class in zeroecho.core.alg.ntruprime

KEM context for NTRU LPRime that performs encapsulation and decapsulation using the underlying key material.

NtrulPrimeKemContext(CryptoAlgorithm, PrivateKey) - Constructor for class zeroecho.core.alg.ntruprime.NtrulPrimeKemContext

Creates a decapsulation context bound to a holder private key.

NtrulPrimeKemContext(CryptoAlgorithm, PublicKey) - Constructor for class zeroecho.core.alg.ntruprime.NtrulPrimeKemContext

Creates an encapsulation context bound to a recipient public key.

NtrulPrimeKeyGenSpec - Class in zeroecho.core.alg.ntruprime

Algorithm-specific key generation parameters for NTRU LPRime.

NtrulPrimeKeyGenSpec.Variant - Enum Class in zeroecho.core.alg.ntruprime

Enumeration of supported NTRU LPRime parameter sets.

NtrulPrimePrivateKeySpec - Class in zeroecho.core.alg.ntruprime

Specification wrapper for an encoded NTRU LPRime private key in PKCS#8 format.

NtrulPrimePrivateKeySpec(byte[]) - Constructor for class zeroecho.core.alg.ntruprime.NtrulPrimePrivateKeySpec

Constructs a new private key specification from a PKCS#8-encoded byte array.

NtrulPrimePublicKeySpec - Class in zeroecho.core.alg.ntruprime

Specification wrapper for an encoded NTRU LPRime public key in X.509 format.

NtrulPrimePublicKeySpec(byte[]) - Constructor for class zeroecho.core.alg.ntruprime.NtrulPrimePublicKeySpec

Constructs a new public key specification from an X.509-encoded byte array.

NtruPrivateKeySpec - Class in zeroecho.core.alg.ntru

NtruPrivateKeySpec holds a PKCS#8-encoded NTRU private key and supports a simple marshal/unmarshal form.

NtruPrivateKeySpec(byte[]) - Constructor for class zeroecho.core.alg.ntru.NtruPrivateKeySpec

Creates a new specification from PKCS#8-encoded bytes.

NtruPublicKeySpec - Class in zeroecho.core.alg.ntru

NtruPublicKeySpec holds an X.509 SubjectPublicKeyInfo encoded NTRU public key and supports a simple marshal/unmarshal form.

NtruPublicKeySpec(byte[]) - Constructor for class zeroecho.core.alg.ntru.NtruPublicKeySpec

Creates a new specification from X.509 SubjectPublicKeyInfo encoded bytes.

NullKey - Class in zeroecho.core

Sentinel Key representing the intentional absence of cryptographic key material.

O

oaep(RsaEncSpec.Hash) - Static method in class zeroecho.core.alg.rsa.RsaEncSpec

Creates an OAEP spec with the given hash function and no label.

oaep(RsaEncSpec.Hash) - Method in class zeroecho.sdk.builders.alg.RsaEncDataContentBuilder

Selects RSA-OAEP with the given hash algorithm for MGF1 and hash.

OAEP - Enum constant in enum class zeroecho.core.alg.rsa.RsaEncSpec.Padding

Optimal Asymmetric Encryption Padding (PKCS#1 OAEP).

oaepLabel(byte[]) - Method in class zeroecho.sdk.builders.alg.RsaEncDataContentBuilder

Sets the OAEP label as arbitrary bytes.

oaepLabelUtf8(String) - Method in class zeroecho.sdk.builders.alg.RsaEncDataContentBuilder

Sets the OAEP label from a UTF-8 string.

oaepSha256() - Method in class zeroecho.sdk.builders.alg.RsaEncDataContentBuilder

Selects RSA-OAEP with SHA-256 for MGF1 and hash.

of(String...) - Static method in class zeroecho.core.marshal.PairSeq

Creates a new sequence from an even-length list of keys and values.

of(String, SphincsPlusKeyGenSpec.Hash, SphincsPlusKeyGenSpec.Security, SphincsPlusKeyGenSpec.Variant, SphincsPlusKeyGenSpec.Mode) - Static method in class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec

Creates a new specification with explicit algorithm parameters.

of(BikeKeyGenSpec.Variant) - Static method in class zeroecho.core.alg.bike.BikeKeyGenSpec

Creates a new specification for the given BIKE variant.

of(CmceKeyGenSpec.Variant) - Static method in class zeroecho.core.alg.cmce.CmceKeyGenSpec

Creates a new key generation spec bound to a specific variant.

of(FrodoKeyGenSpec.Variant) - Static method in class zeroecho.core.alg.frodo.FrodoKeyGenSpec

Creates a spec from a given variant.

of(HqcKeyGenSpec.Variant) - Static method in class zeroecho.core.alg.hqc.HqcKeyGenSpec

Creates a specification for the given HQC parameter set.

of(NtrulPrimeKeyGenSpec.Variant) - Static method in class zeroecho.core.alg.ntruprime.NtrulPrimeKeyGenSpec

Creates a specification from the given variant.

of(SntruPrimeKeyGenSpec.Variant) - Static method in class zeroecho.core.alg.ntruprime.SntruPrimeKeyGenSpec

Creates a specification from the given variant.

of(SaberKeyGenSpec.Variant) - Static method in class zeroecho.core.alg.saber.SaberKeyGenSpec

Creates a specification for a given variant.

OFF - Enum constant in enum class zeroecho.core.CryptoAlgorithms.AuditMode

No automatic wrapping of contexts (default).

onAgreementDerived(String, int) - Method in interface zeroecho.core.audit.AuditListener

Notification that an agreement secret was derived.

onAgreementDerived(String, int) - Method in class zeroecho.core.audit.JulAuditListenerStd

Logs that an agreement secret was derived with the reported length only.

onAgreementPeerMessageGet(String, int) - Method in interface zeroecho.core.audit.AuditListener

Notification that a peer message was retrieved from a message agreement context.

onAgreementPeerMessageGet(String, int) - Method in class zeroecho.core.audit.JulAuditListenerStd

Logs that a peer message was retrieved from a message agreement context.

onAgreementPeerMessageSet(String, int) - Method in interface zeroecho.core.audit.AuditListener

Notification that a peer message was provided to a message agreement context.

onAgreementPeerMessageSet(String, int) - Method in class zeroecho.core.audit.JulAuditListenerStd

Logs that a peer message was provided to a message agreement context.

onAgreementPeerSet(String, String) - Method in interface zeroecho.core.audit.AuditListener

Notification that a peer public key was provided to an agreement context.

onAgreementPeerSet(String, String) - Method in class zeroecho.core.audit.JulAuditListenerStd

Logs that a peer public key was provided to an agreement context.

onBytes(KeyUsage, long) - Method in interface zeroecho.core.audit.AuditListener

Legacy cumulative byte counter for any role.

onBytes(KeyUsage, long) - Method in class zeroecho.core.audit.JulAuditListenerStd

Logs the legacy cumulative byte counter.

onCompleted() - Method in class zeroecho.core.io.AbstractPassthroughInputStream

Notifies that the stream has fully completed.

onContextClosed(String, long, long, long) - Method in interface zeroecho.core.audit.AuditListener

Closure notification with totals and elapsed time.

onContextClosed(String, long, long, long) - Method in class zeroecho.core.audit.JulAuditListenerStd

Logs closure totals and elapsed time for the correlation id.

onContextClosed(String, String, KeyUsage, Key) - Method in interface zeroecho.core.audit.AuditListener

Emitted when a context is closed (generic form).

onContextClosed(String, String, KeyUsage, Key) - Method in class zeroecho.core.audit.JulAuditListenerStd

Logs a structured context closure event in generic form.

onContextCreated(String, String, KeyUsage, K, S) - Method in interface zeroecho.core.audit.AuditListener

Emitted right after a context has been created and wrapped.

onContextCreated(String, String, KeyUsage, K, S) - Method in class zeroecho.core.audit.JulAuditListenerStd

Logs a structured context creation event.

onContextCreated(CryptoContext) - Method in interface zeroecho.core.audit.AuditListener

Legacy single-argument creation callback.

onContextCreated(CryptoContext) - Method in class zeroecho.core.audit.JulAuditListenerStd

Logs the legacy single-argument creation callback with the context type.

onContextCreatedMeta(String, String, String, KeyUsage, String, Map<String, Object>) - Method in interface zeroecho.core.audit.AuditListener

Creation event with correlation id and non-secret specification metadata.

onContextCreatedMeta(String, String, String, KeyUsage, String, Map<String, Object>) - Method in class zeroecho.core.audit.JulAuditListenerStd

Logs creation metadata with correlation id and non-secret spec attributes.

onDigest(Consumer<byte[]>) - Method in class zeroecho.sdk.builders.alg.DigestDataContentBuilder

Registers a callback to receive a defensive copy of the finalized digest.

One-shot API - Search tag in class zeroecho.core.alg.ed25519.Ed25519SignatureContext

Section

One-shot API - Search tag in class zeroecho.core.alg.ed448.Ed448SignatureContext

Section

onFailure(String, String, String, Throwable) - Method in interface zeroecho.core.audit.AuditListener

Failure during streaming or reflective invocation.

onFailure(String, String, String, Throwable) - Method in class zeroecho.core.audit.JulAuditListenerStd

Logs a failure with a structured summary and optional stack trace.

onHeaderRead(String, String, int, int, int, int) - Method in interface zeroecho.core.audit.AuditListener

Notification that a header was read from a stream.

onHeaderRead(String, String, int, int, int, int) - Method in class zeroecho.core.audit.JulAuditListenerStd

Logs that a header was read from a stream.

onHeaderWritten(String, String, int, int, int, int) - Method in interface zeroecho.core.audit.AuditListener

Notification that a header was written to a stream.

onHeaderWritten(String, String, int, int, int, int) - Method in class zeroecho.core.audit.JulAuditListenerStd

Logs that a header was written to a stream.

onKdfUsed(String, String, int, int, int, Integer) - Method in interface zeroecho.core.audit.AuditListener

Summary of key derivation function usage.

onKdfUsed(String, String, int, int, int, Integer) - Method in class zeroecho.core.audit.JulAuditListenerStd

Logs a KDF usage summary.

onKemDecapsulated(int) - Method in interface zeroecho.core.audit.AuditListener

Legacy KEM decapsulation event.

onKemDecapsulated(int) - Method in class zeroecho.core.audit.JulAuditListenerStd

Logs legacy KEM decapsulation length.

onKemEncapsulated(int, int) - Method in interface zeroecho.core.audit.AuditListener

Legacy KEM encapsulation event.

onKemEncapsulated(int, int) - Method in class zeroecho.core.audit.JulAuditListenerStd

Logs legacy KEM encapsulation lengths.

onKeyBuilt(String, String, AlgorithmKeySpec, Key) - Method in interface zeroecho.core.audit.AuditListener

Emitted after a key is constructed or imported.

onKeyBuilt(String, String, AlgorithmKeySpec, Key) - Method in class zeroecho.core.audit.JulAuditListenerStd

Logs key construction or import.

onKeyDestroyed(String, String, Key) - Method in interface zeroecho.core.audit.AuditListener

Emitted when a key was destroyed.

onKeyDestroyed(String, String, Key) - Method in class zeroecho.core.audit.JulAuditListenerStd

Logs best-effort key destruction.

onKeyGenerated(String, String, AlgorithmKeySpec, KeyPair) - Method in interface zeroecho.core.audit.AuditListener

Emitted after key pair generation via SPI.

onKeyGenerated(String, String, AlgorithmKeySpec, KeyPair) - Method in class zeroecho.core.audit.JulAuditListenerStd

Logs key pair generation with non-secret metadata.

onProgress(String, long, long) - Method in interface zeroecho.core.audit.AuditListener

Streaming progress for a context, split into body and trailer bytes.

onProgress(String, long, long) - Method in class zeroecho.core.audit.JulAuditListenerStd

Logs streaming progress for the given context id.

onRandomMaterial(String, String, String, int) - Method in interface zeroecho.core.audit.AuditListener

Notification about random material generation.

onRandomMaterial(String, String, String, int) - Method in class zeroecho.core.audit.JulAuditListenerStd

Logs random material generation such as IVs, salts, nonces, or key bytes.

onSignature(Consumer<byte[]>) - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Registers a callback that receives the generated signature bytes after signing completes.

onSignature(Consumer<byte[]>) - Method in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Registers a callback that receives a defensive copy of the finalized signature bytes in sign mode.

onTagProduced(String, int, String) - Method in interface zeroecho.core.audit.AuditListener

Notification that a tag or signature was produced at end of stream.

onTagProduced(String, int, String) - Method in class zeroecho.core.audit.JulAuditListenerStd

Logs that a tag or signature was produced.

onVerified(Consumer<Boolean>) - Method in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Registers a callback that receives the verification result in verify mode.

onVerifyResult(String, boolean, String, String, int) - Method in interface zeroecho.core.audit.AuditListener

Verification outcome for contexts operating in verify mode.

onVerifyResult(String, boolean, String, String, int) - Method in class zeroecho.core.audit.JulAuditListenerStd

Logs verification outcome for verify mode.

Operation - Search tag in interface zeroecho.core.context.DigestContext

Section

Operation - Search tag in interface zeroecho.core.context.MacContext

Section

Operation - Search tag in interface zeroecho.core.context.SignatureContext

Section

Operation modes - Search tag in interface zeroecho.core.tag.TagEngine

Section

Operation modes - Search tag in package zeroecho.core.tag

Section

Operations - Search tag in interface zeroecho.core.spi.AsymmetricKeyBuilder

Section

Operations - Search tag in interface zeroecho.core.spi.SymmetricKeyBuilder

Section

outBuf - Variable in class zeroecho.core.io.AbstractChunkTransformInputStream

Output buffer storing transformed bytes awaiting consumption.

outChunkSize - Variable in class zeroecho.core.alg.rsa.BlockGeometry

Number of output bytes per block.

outChunkSize - Variable in class zeroecho.core.io.AbstractChunkTransformInputStream

Size of one logical output chunk.

outLen - Variable in class zeroecho.core.io.AbstractChunkTransformInputStream

Number of valid bytes currently in outBuf.

outPtr - Variable in class zeroecho.core.io.AbstractChunkTransformInputStream

Current read position within outBuf.

outputLenBytes() - Method in class zeroecho.core.alg.digest.DigestSpec

Returns the requested output length in bytes.

Output modes - Search tag in class zeroecho.sdk.builders.alg.DigestDataContentBuilder

Section

OutputToInputStreamAdapter - Class in zeroecho.sdk.util

An abstract adapter that converts an OutputStream-based transformation (such as encryption or compression) into an InputStream-based one.

OutputToInputStreamAdapter(InputStream) - Constructor for class zeroecho.sdk.util.OutputToInputStreamAdapter

Constructs a new adapter wrapping the specified input stream using the default buffer size.

OutputToInputStreamAdapter(InputStream, int) - Constructor for class zeroecho.sdk.util.OutputToInputStreamAdapter

Constructs a new adapter wrapping the specified input stream with a given buffer size for transformation output.

Overview - Search tag in class zeroecho.core.alg.kyber.KyberAlgorithm

Section

Overview - Search tag in class zeroecho.core.alg.kyber.KyberKemContext

Section

Overview - Search tag in class zeroecho.core.alg.ntruprime.NtrulPrimeAlgorithm

Section

Overview - Search tag in class zeroecho.core.alg.ntruprime.NtrulPrimeKemContext

Section

Overview - Search tag in class zeroecho.core.alg.ntruprime.SntruPrimeAlgorithm

Section

Overview - Search tag in class zeroecho.core.alg.ntruprime.SntruPrimeKemContext

Section

Overview - Search tag in class zeroecho.core.io.TailStrippingInputStream

Section

Overview - Search tag in class zeroecho.sdk.builders.alg.DigestDataContentBuilder

Section

Overview - Search tag in class zeroecho.sdk.builders.alg.EcdsaDataContentBuilder

Section

Overview - Search tag in class zeroecho.sdk.builders.alg.Ed25519DataContentBuilder

Section

Overview - Search tag in class zeroecho.sdk.builders.alg.ElgamalEncDataContentBuilder

Section

Overview - Search tag in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Section

Overview - Search tag in class zeroecho.sdk.builders.alg.RsaEncDataContentBuilder

Section

Overview - Search tag in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Section

Overview - Search tag in class zeroecho.sdk.io.SignatureTrailerInputStream

Section

Overview - Search tag in interface zeroecho.sdk.guard.UnlockMaterial

Section

Overview - Search tag in package zeroecho.logging

Section

Overview - Search tag in package zeroecho.sdk.guard

Section

Overview - Search tag in zeroecho.core.alg.kyber.KyberAlgorithm.KyberAlgorithm()

Section

P

P256 - Enum constant in enum class zeroecho.core.alg.ecdh.EcdhCurveSpec

NIST P-256 (secp256r1), approx.

P256 - Enum constant in enum class zeroecho.core.alg.ecdsa.EcdsaCurveSpec

NIST P-256 (secp256r1), SHA-256 binding, 64-byte signatures.

P384 - Enum constant in enum class zeroecho.core.alg.ecdh.EcdhCurveSpec

NIST P-384 (secp384r1), approx.

P384 - Enum constant in enum class zeroecho.core.alg.ecdsa.EcdsaCurveSpec

NIST P-384 (secp384r1), SHA-384 binding, 96-byte signatures.

P512 - Enum constant in enum class zeroecho.core.alg.ecdh.EcdhCurveSpec

NIST P-521 (secp521r1), approx.

P512 - Enum constant in enum class zeroecho.core.alg.ecdsa.EcdsaCurveSpec

NIST P-521 (secp521r1), SHA-512 binding, 132-byte signatures.

Pack7LStreamWriter - Class in zeroecho.sdk.util

A streaming writer that reads a variable-length 7-bit encoded length prefix from the input data and writes the subsequent payload to a target OutputStream.

Pack7LStreamWriter(OutputStream) - Constructor for class zeroecho.sdk.util.Pack7LStreamWriter

Constructs a new Pack7LStreamWriter.

Package map (lib) - Search tag in Overview

Section

padding() - Method in class zeroecho.core.alg.aes.AesSpec

Returns the selected padding scheme.

padding() - Method in class zeroecho.core.alg.elgamal.ElgamalEncSpec

Returns the selected padding mode.

padding() - Method in class zeroecho.core.alg.rsa.RsaEncSpec

Returns the padding scheme.

padding(AesSpec.Padding) - Method in class zeroecho.core.alg.aes.AesSpec.Builder

Selects the padding scheme for CBC.

Padding modes - Search tag in class zeroecho.core.alg.elgamal.ElgamalEncSpec

Section

Padding subtleties - Search tag in class zeroecho.core.alg.elgamal.ElgamalCipherContext

Section

PairSeq - Class in zeroecho.core.marshal

Immutable sequence of string key-value pairs with cursor-based iteration and simple text serialization.

PairSeq.Cursor - Class in zeroecho.core.marshal

Forward-only iterator over the pairs of a PairSeq.

PairSeqCodec<T> - Class in zeroecho.core.marshal

Reflection-based Codec that marshals and unmarshals domain objects to and from PairSeq.

PairSeqCodec(Class<T>) - Constructor for class zeroecho.core.marshal.PairSeqCodec

Creates a codec bound to a specific domain type.

parameters() - Method in class zeroecho.core.alg.elgamal.ElgamalParamSpec

Returns the underlying ElGamal parameters.

Parameters - Search tag in class zeroecho.core.alg.rsa.RsaKeyGenSpec

Section

Parameters - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec

Section

params() - Method in class zeroecho.core.alg.dh.DhSpec

Returns the underlying JCA DHParameterSpec.

parse(String) - Static method in class zeroecho.sdk.integrations.covert.jpeg.Slot

Parses a slot specification string into a Slot object.

passThrough() - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Configures the output to pass the original data through unchanged.

passThrough() - Method in class zeroecho.sdk.builders.alg.DigestDataContentBuilder

Configures the builder to pass the input through unchanged and strip the trailing tag.

passThrough() - Method in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Configures the pipeline to pass the input body through unchanged and strip the engine's trailer.

passThrough() - Method in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Configures the pipeline to pass the input body through unchanged while appending or checking a trailer.

password() - Method in record class zeroecho.sdk.guard.UnlockMaterial.Password

Returns the value of the password record component.

Password - Class in zeroecho.sdk.util

Utility class for generating random passwords and secure random byte arrays.

Password(char[]) - Constructor for record class zeroecho.sdk.guard.UnlockMaterial.Password

Creates an instance of a Password record class.

PasswordOpener - Class in zeroecho.sdk.guard

Recipient opener for password-based entries that derives a KEK via PBKDF2 and unwraps the CEK with AES-GCM.

PasswordOpener() - Constructor for class zeroecho.sdk.guard.PasswordOpener

PasswordRecipient - Class in zeroecho.sdk.guard

Password recipient that derives a KEK via PBKDF2(HMAC-SHA-256) and wraps the CEK with AES-GCM.

PasswordRecipient(char[], int, int, int) - Constructor for class zeroecho.sdk.guard.PasswordRecipient

Creates a password-based recipient.

PasswordRecipient(char[], int, int, int, boolean) - Constructor for class zeroecho.sdk.guard.PasswordRecipient

Creates a password-based recipient that derives a key-encryption key (KEK) using PBKDF2.

Pattern: separate specs for generation vs import with prescriptive exceptions - Search tag in package zeroecho.core.spi

Section

Payload format and processing - Search tag in package zeroecho.sdk.integrations.covert.jpeg

Section

payloadKeyBytes(int) - Method in class zeroecho.sdk.guard.MultiRecipientDataSourceBuilder

Sets the CEK length in bytes that will be generated on encrypt and expected on decrypt.

permissive() - Static method in interface zeroecho.core.policy.CryptoPolicy

Returns a permissive policy that accepts all keys, roles, and specs without validation.

Phases - Search tag in class zeroecho.core.io.AbstractPassthroughInputStream

Section

pkcs1() - Static method in class zeroecho.core.alg.elgamal.ElgamalEncSpec

Returns an ElgamalEncSpec with PKCS#1 v1.5-style padding.

pkcs1() - Method in class zeroecho.sdk.builders.alg.ElgamalEncDataContentBuilder

Selects the PKCS#1-style padding variant of ElGamal encryption.

PKCS1 - Enum constant in enum class zeroecho.core.alg.elgamal.ElgamalEncSpec.Padding

PKCS#1 v1.5-style padding.

pkcs1v15() - Static method in class zeroecho.core.alg.rsa.RsaEncSpec

Creates a PKCS#1 v1.5 spec.

pkcs1v15() - Method in class zeroecho.sdk.builders.alg.RsaEncDataContentBuilder

Selects PKCS#1 v1.5 padding for RSA.

pkcs1v15(RsaSigSpec.Hash) - Static method in class zeroecho.core.alg.rsa.RsaSigSpec

Creates a PKCS#1 v1.5 spec with the given hash.

pkcs1v15(RsaSigSpec.Hash) - Method in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Selects the PKCS#1 v1.5 signature scheme with the given hash function.

PKCS1V15 - Enum constant in enum class zeroecho.core.alg.rsa.RsaEncSpec.Padding

Legacy PKCS#1 v1.5 padding.

PKCS1V15 - Enum constant in enum class zeroecho.core.alg.rsa.RsaSigSpec.Mode

Legacy PKCS#1 v1.5 signature scheme.

PKCS5PADDING - Enum constant in enum class zeroecho.core.alg.aes.AesSpec.Padding

PKCS#5 padding (recommended for CBC) available in the Standard JDK21+.

pkcs8() - Method in class zeroecho.core.alg.bike.BikePrivateKeySpec

Returns a defensive copy of the PKCS#8 encoded key.

pkcs8() - Method in class zeroecho.core.alg.cmce.CmcePrivateKeySpec

Returns a defensive copy of the PKCS#8 bytes.

pkcs8() - Method in class zeroecho.core.alg.frodo.FrodoPrivateKeySpec

Returns a clone of the underlying PKCS#8 encoding.

pkcs8() - Method in class zeroecho.core.alg.hqc.HqcPrivateKeySpec

Returns a defensive copy of the PKCS#8-encoded key material.

pkcs8() - Method in class zeroecho.core.alg.kyber.KyberPrivateKeySpec

Returns a defensive copy of the PKCS#8-encoded private key.

pkcs8() - Method in class zeroecho.core.alg.ntru.NtruPrivateKeySpec

Returns a copy of the PKCS#8-encoded private key.

pkcs8() - Method in class zeroecho.core.alg.ntruprime.NtrulPrimePrivateKeySpec

Returns a clone of the PKCS#8-encoded private key bytes.

pkcs8() - Method in class zeroecho.core.alg.ntruprime.SntruPrimePrivateKeySpec

Returns a clone of the PKCS#8-encoded private key bytes.

pkcs8() - Method in class zeroecho.core.alg.saber.SaberPrivateKeySpec

Returns a defensive copy of the PKCS#8-encoded private key.

PlainBytes - Class in zeroecho.sdk.content.builtin

An implementation of PlainContent that encapsulates a byte array.

PlainBytes(byte[]) - Constructor for class zeroecho.sdk.content.builtin.PlainBytes

Constructs a new PlainBytes instance by copying the provided byte array.

PlainBytes(int) - Constructor for class zeroecho.sdk.content.builtin.PlainBytes

Constructs a new PlainBytes instance with a buffer of the specified length.

PlainBytesBuilder - Interface in zeroecho.sdk.builders.core

Builder interface for constructing PlainBytes instances that encapsulate unencrypted byte array content.

PlainBytesBuilder.DefaultPlainBytesBuilder - Class in zeroecho.sdk.builders.core

Default implementation of the PlainBytesBuilder interface.

PlainContent - Interface in zeroecho.sdk.content.api

Represents a plain content that includes some original content, such as data from interactive input, a file, or the result of decrypting encrypted content.

PlainFile - Class in zeroecho.sdk.content.builtin

A PlainContent implementation that reads content from a file-like URL.

PlainFile(URL) - Constructor for class zeroecho.sdk.content.builtin.PlainFile

Constructs a PlainFile from the specified URL.

PlainFileBuilder - Interface in zeroecho.sdk.builders.core

Builder interface for constructing PlainContent instances that represent unencrypted file-based content sourced from a URL.

PlainFileBuilder.DefaultPlainFileBuilder - Class in zeroecho.sdk.builders.core

Default implementation of the PlainFileBuilder interface.

PlainString - Class in zeroecho.sdk.content.builtin

A PlainContent implementation that wraps a UTF-8 string.

PlainString(String) - Constructor for class zeroecho.sdk.content.builtin.PlainString

Constructs a PlainString with the given string.

PlainStringBuilder - Interface in zeroecho.sdk.builders.core

Builder interface for constructing PlainString instances, which represent unencrypted textual content.

PlainStringBuilder.DefaultPlainStringBuilder - Class in zeroecho.sdk.builders.core

Default implementation of the PlainStringBuilder interface.

PNG - Enum constant in enum class zeroecho.sdk.integrations.stegano.ImageFormat

Portable Network Graphics format.

Policy - Search tag in class zeroecho.core.CryptoAlgorithms

Section

Predefined groups - Search tag in class zeroecho.core.alg.dh.DhSpec

Section

Predefined parameters - Search tag in class zeroecho.core.alg.elgamal.ElgamalParamSpec

Section

previousInput - Variable in class zeroecho.sdk.util.OutputToInputStreamAdapter

The original input stream containing untransformed data.

printCertificate(Certificate) - Static method in class zeroecho.sdk.util.X509Support

Prints the certificate details to standard output, including its PEM encoded representation.

printPrivateKey(PrivateKey) - Static method in class zeroecho.sdk.util.X509Support

Utility method to print a PrivateKey in PEM format to standard output.

priority() - Method in class zeroecho.core.CryptoAlgorithm

Returns the priority of this algorithm within its provider.

Privacy and safety - Search tag in package zeroecho.core.audit

Section

Private(PrivateKey) - Constructor for record class zeroecho.sdk.guard.UnlockMaterial.Private

Creates an instance of a Private record class.

PRIVATE_KEY - Enum constant in enum class zeroecho.core.storage.KeyringStore.Record.Kind

privateKey(String, S) - Static method in class zeroecho.core.CryptoAlgorithms

Imports a PrivateKey using the algorithm’s registered asymmetric builder.

Private key builder for Ed25519 - Search tag in class zeroecho.core.alg.ed25519.Ed25519PrivateKeyBuilder

Section

privateKeySpecClass() - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Returns the private key import specification class for the algorithm.

privateKeySpecClass() - Method in class zeroecho.sdk.builders.alg.EcdsaDataContentBuilder

Returns the class object of the private key import specification used by this builder.

privateKeySpecClass() - Method in class zeroecho.sdk.builders.alg.Ed25519DataContentBuilder

Returns the private key import specification class used by this builder.

privateKeySpecClass() - Method in class zeroecho.sdk.builders.alg.Ed448DataContentBuilder

Returns the private key import specification class used by this builder.

privateKeySpecClass() - Method in class zeroecho.sdk.builders.alg.SphincsPlusDataContentBuilder

Returns the private key import specification class used by this builder.

PrivateWithId(String, PrivateKey) - Constructor for record class zeroecho.core.storage.KeyringStore.PrivateWithId

Creates an instance of a PrivateWithId record class.

probeWith(String, String) - Static method in interface zeroecho.core.alg.common.sig.GenericJcaSignatureContext.SignLengthResolver

Returns a resolver that probes a JCA Signature by signing an empty message.

processTail(byte[]) - Method in class zeroecho.core.io.TailStrippingInputStream

Hook invoked exactly once at end of stream with the withheld tail bytes.

processTail(byte[]) - Method in class zeroecho.sdk.io.SignatureTrailerInputStream

Receives the stripped tail bytes and forwards a defensive copy to the registered callback.

Produce an HMAC trailer - Search tag in interface zeroecho.core.context.MacContext

Section

Produce an HMAC trailer - Search tag in package zeroecho.core.tag

Section

Produce HMAC-SHA256 trailer - Search tag in class zeroecho.core.alg.hmac.HmacMacContext

Section

produceTrailer(byte[]) - Method in class zeroecho.core.io.AbstractPassthroughInputStream

Produces an optional trailer after upstream EOF.

progressLevel(Level) - Method in class zeroecho.core.audit.JulAuditListenerStd.Builder

Sets the level for progress-style, high-frequency events.

Provider - Search tag in class zeroecho.core.alg.bike.BikeAlgorithm

Section

Provider dependency - Search tag in class zeroecho.core.alg.hqc.HqcAlgorithm

Section

Provider dependency - Search tag in class zeroecho.core.alg.kyber.KyberAlgorithm

Section

ProviderFailureException - Exception Class in zeroecho.core.err

Exception signaling a failure in the underlying cryptographic provider during algorithm initialization or operation.

ProviderFailureException(String, Throwable) - Constructor for exception class zeroecho.core.err.ProviderFailureException

Creates a new exception wrapping a provider failure.

Provider model - Search tag in class zeroecho.core.CryptoAlgorithm

Section

Provider model - Search tag in class zeroecho.core.alg.digest.Sha2Sha3Algorithm

Section

Provider model - Search tag in class zeroecho.core.alg.ecdsa.EcdsaAlgorithm

Section

providerName() - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec

Returns the provider name used for key generation.

providerName() - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusPrivateKeySpec

Returns the provider name associated with this specification.

providerName() - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusPublicKeySpec

Returns the provider name associated with this specification.

providerName() - Method in class zeroecho.core.CryptoAlgorithm

Returns the provider that supplies this algorithm implementation.

Provider requirements - Search tag in class zeroecho.core.alg.elgamal.ElgamalAlgorithm

Section

Provider requirements - Search tag in class zeroecho.core.alg.frodo.FrodoAlgorithm

Section

Provider requirements - Search tag in class zeroecho.core.alg.ntru.NtruAlgorithm

Section

Provider requirements - Search tag in class zeroecho.core.alg.ntruprime.NtrulPrimeAlgorithm

Section

Provider requirements - Search tag in class zeroecho.core.alg.ntruprime.SntruPrimeAlgorithm

Section

Provider requirements - Search tag in package zeroecho.core.alg.bike

Section

Provider requirements - Search tag in package zeroecho.core.alg.cmce

Section

Provider requirements - Search tag in package zeroecho.core.alg.ntruprime

Section

pss(RsaSigSpec.Hash, int) - Static method in class zeroecho.core.alg.rsa.RsaSigSpec

Creates a PSS spec with the given hash and salt length.

pss(RsaSigSpec.Hash, int) - Method in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Selects the RSASSA-PSS signature scheme with the given hash function and salt length.

PSS - Enum constant in enum class zeroecho.core.alg.rsa.RsaSigSpec.Mode

Probabilistic Signature Scheme (PSS), recommended for new systems.

pssSaltLen() - Method in class zeroecho.core.alg.rsa.RsaSigSpec

Returns the salt length for PSS.

PUBLIC_KEY - Enum constant in enum class zeroecho.core.storage.KeyringStore.Record.Kind

publicExponent() - Method in class zeroecho.core.alg.rsa.RsaKeyGenSpec

Returns the public exponent.

publicKey(String, S) - Static method in class zeroecho.core.CryptoAlgorithms

Imports a PublicKey using the algorithm’s registered asymmetric builder.

Public key builder for Ed25519 - Search tag in class zeroecho.core.alg.ed25519.Ed25519PublicKeyBuilder

Section

publicKeySpecClass() - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Returns the public key import specification class for the algorithm.

publicKeySpecClass() - Method in class zeroecho.sdk.builders.alg.EcdsaDataContentBuilder

Returns the class object of the public key import specification used by this builder.

publicKeySpecClass() - Method in class zeroecho.sdk.builders.alg.Ed25519DataContentBuilder

Returns the public key import specification class used by this builder.

publicKeySpecClass() - Method in class zeroecho.sdk.builders.alg.Ed448DataContentBuilder

Returns the public key import specification class used by this builder.

publicKeySpecClass() - Method in class zeroecho.sdk.builders.alg.SphincsPlusDataContentBuilder

Returns the public key import specification class used by this builder.

PublicWithId(String, PublicKey) - Constructor for record class zeroecho.core.storage.KeyringStore.PublicWithId

Creates an instance of a PublicWithId record class.

Purpose - Search tag in class zeroecho.core.CatalogSelector

Section

Purpose - Search tag in record class zeroecho.core.Capability

Section

putPrivate(String, String, AlgorithmKeySpec) - Method in class zeroecho.core.storage.KeyringStore

Adds or replaces a private-key entry under the given alias.

putPublic(String, String, AlgorithmKeySpec) - Method in class zeroecho.core.storage.KeyringStore

Adds or replaces a public-key entry under the given alias.

putSecret(String, String, AlgorithmKeySpec) - Method in class zeroecho.core.storage.KeyringStore

Adds or replaces a secret-key entry under the given alias.

R

RandomSupport - Class in zeroecho.sdk.util

Utility class providing support for secure random number generation.

RAW - Enum constant in enum class zeroecho.sdk.content.api.ExportableDataContent.ExportMode

Raw mode returns the content as a direct InputStream, without any transformation or encoding.

read() - Method in class zeroecho.core.io.AbstractChunkTransformInputStream

Reads the next transformed byte.

read() - Method in class zeroecho.core.io.AbstractPassthroughInputStream

Reads the next byte from this stream.

read() - Method in class zeroecho.core.io.TailStrippingInputStream

Reads and returns a single byte of payload data.

read() - Method in class zeroecho.sdk.content.export.Base64Stream

read() - Method in class zeroecho.sdk.util.OutputToInputStreamAdapter

read(byte[]) - Method in class zeroecho.core.io.AbstractChunkTransformInputStream

Reads transformed bytes into the given array.

read(byte[], int, int) - Method in class zeroecho.core.io.AbstractChunkTransformInputStream

Reads up to len transformed bytes into the target buffer.

read(byte[], int, int) - Method in class zeroecho.core.io.AbstractPassthroughInputStream

Reads some bytes from this stream into the specified array.

read(byte[], int, int) - Method in class zeroecho.core.io.TailStrippingInputStream

Reads up to len bytes of payload into the provided buffer.

read(byte[], int, int) - Method in class zeroecho.sdk.content.export.Base64Stream

read(byte[], int, int) - Method in class zeroecho.sdk.util.OutputToInputStreamAdapter

read(InputStream, int) - Static method in class zeroecho.core.io.Util

Reads a byte array from the input stream.

readFrom(Reader) - Static method in class zeroecho.core.marshal.PairSeq

Reads a PairSeq from a line-based text format.

readHeader(InputStream, CryptoAlgorithm, CtxInterface) - Method in class zeroecho.core.alg.aes.AesHeaderCodec

Reads a header from in, updates the context with IV (and tag bits), and verifies AAD if present.

readHeader(InputStream, CryptoAlgorithm, CtxInterface) - Method in class zeroecho.core.alg.chacha.ChaCha20Poly1305HeaderCodec

Reads and validates the ChaCha20-Poly1305 header from the provided stream.

readHeader(InputStream, CryptoAlgorithm, CtxInterface) - Method in class zeroecho.core.alg.chacha.ChaChaHeaderCodec

Reads a ChaCha20 header from the input and hydrates the context.

readHeader(InputStream, CryptoAlgorithm, CtxInterface) - Method in interface zeroecho.core.SymmetricHeaderCodec

Read header from in, populate params in ctx, and return an InputStream positioned immediately after the header.

Reading and writing - Search tag in class zeroecho.core.storage.KeyringStore

Section

readLong(InputStream) - Static method in class zeroecho.core.io.Util

Reads a long value from the input stream in big-endian order (8 bytes).

readPack7I(InputStream) - Static method in class zeroecho.core.io.Util

Reads an integer from the input stream using packed 7-bit encoding (variable length).

readPack7L(InputStream) - Static method in class zeroecho.core.io.Util

Reads a long value from the input stream using packed 7-bit encoding (variable length).

readUTF8(InputStream, int) - Static method in class zeroecho.core.io.Util

Reads a UTF-8 encoded string from the input stream.

readUUID(InputStream) - Static method in class zeroecho.core.io.Util

Reads a UUID from the input stream, composed of two big-endian long values.

readWithPackedLengthPrefix(InputStream, int) - Static method in class zeroecho.core.io.Util

Reads up to maxSize bytes from the given InputStream, encodes the total number of bytes using 7-bit variable-length encoding (similar to Util.writePack7L(java.io.OutputStream, long)), and returns a single byte array containing the encoded length prefix followed by the actual data read.

Recipient - Interface in zeroecho.sdk.guard

Recipient describes how to encode a single recipient entry that can recover a content-encryption key (CEK) during decryption.

recipientPrivate(PrivateKey) - Method in class zeroecho.sdk.builders.alg.KemDataContentBuilder

Sets the recipient private key for decapsulation (decryption path).

recipientPublic(PublicKey) - Method in class zeroecho.sdk.builders.alg.KemDataContentBuilder

Sets the recipient public key for encapsulation (encryption path).

Recommended values - Search tag in zeroecho.core.io.CipherTransformInputStreamBuilder.withFinalizationOutputChunks(int)

Section

Record(String, String, KeyringStore.Record.Kind, String, PairSeq) - Constructor for record class zeroecho.core.storage.KeyringStore.Record

Creates an instance of a Record record class.

Record verification outcome in a context - Search tag in package zeroecho.core.tag

Section

register(String, Slot.SlotGroup, TagInfo, int) - Static method in class zeroecho.sdk.integrations.covert.jpeg.Slot

Registers a named predefined slot in the internal registry.

registerAsymmetricKeyBuilder(Class<S>, AsymmetricKeyBuilder<S>, Supplier<? extends S>) - Method in class zeroecho.core.CryptoAlgorithm

Registers an asymmetric key builder for a specific spec type.

registerSymmetricKeyBuilder(Class<S>, SymmetricKeyBuilder<S>, Supplier<? extends S>) - Method in class zeroecho.core.CryptoAlgorithm

Registers a symmetric key builder for a specific spec type.

Relationship to the overall library - Search tag in package zeroecho.core

Section

Render an exportable content in a chosen mode - Search tag in package zeroecho.sdk.content.export

Section

require(String) - Static method in class zeroecho.core.CryptoAlgorithms

Looks up an algorithm implementation by its canonical identifier.

reset() - Method in class zeroecho.core.io.TailStrippingInputStream

Unsupported operation; always throws.

resolve(PrivateKey) - Method in interface zeroecho.core.alg.common.sig.GenericJcaSignatureContext.SignLengthResolver

Resolves the signature length for a given private key in SIGN mode.

resolve(PublicKey) - Method in interface zeroecho.core.alg.common.sig.GenericJcaSignatureContext.VerifyLengthResolver

Resolves the expected signature length for a given public key in VERIFY mode.

RESPONDER - Enum constant in enum class zeroecho.core.alg.common.agreement.KemMessageAgreementAdapter.Role

Responder: consumes a peer message via decapsulation.

Responsibilities - Search tag in class zeroecho.core.alg.common.eddsa.AbstractEdDSAKeyGenBuilder

Section

Responsibilities - Search tag in class zeroecho.core.alg.common.eddsa.AbstractEncodedPrivateKeyBuilder

Section

Responsibilities - Search tag in class zeroecho.core.alg.common.eddsa.AbstractEncodedPublicKeyBuilder

Section

Responsibilities - Search tag in class zeroecho.core.alg.common.eddsa.CommonEdDSASignatureContext

Section

Responsibilities - Search tag in class zeroecho.core.alg.ed25519.Ed25519PrivateKeyBuilder

Section

Responsibilities - Search tag in class zeroecho.core.alg.ed25519.Ed25519PrivateKeySpec

Section

Responsibilities - Search tag in class zeroecho.core.alg.ed25519.Ed25519PublicKeyBuilder

Section

Responsibilities - Search tag in class zeroecho.core.alg.ed25519.Ed25519PublicKeySpec

Section

Responsibilities - Search tag in class zeroecho.core.alg.ed448.Ed448PrivateKeyBuilder

Section

Responsibilities - Search tag in class zeroecho.core.alg.ed448.Ed448PublicKeyBuilder

Section

Responsibilities - Search tag in interface zeroecho.core.spi.ContextConstructorKS

Section

Responsibilities - Search tag in interface zeroecho.sdk.guard.Recipient

Section

Responsibilities - Search tag in package zeroecho.core.context

Section

Result - Search tag in zeroecho.sdk.builders.alg.DigestDataContentBuilder.build(boolean)

Section

Result - Search tag in zeroecho.sdk.builders.alg.HmacDataContentBuilder.build(boolean)

Section

Result - Search tag in zeroecho.sdk.builders.alg.RsaSigDataContentBuilder.build(boolean)

Section

rnd - Variable in class zeroecho.core.alg.chacha.ChaChaCipherContext

Secure random source for nonce generation.

ROBUST - Enum constant in enum class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec.Mode

Conservative construction (recommended default).

role() - Method in record class zeroecho.core.Capability

Returns the value of the role record component.

roles() - Method in class zeroecho.core.CryptoAlgorithm

Returns the set of roles supported by this algorithm.

Roles - Search tag in class zeroecho.core.alg.common.agreement.KemMessageAgreementAdapter

Section

Roles - Search tag in class zeroecho.core.alg.ecdsa.EcdsaAlgorithm

Section

Roles - Search tag in class zeroecho.core.alg.ed448.Ed448Algorithm

Section

Roles - Search tag in class zeroecho.core.alg.hqc.HqcKemContext

Section

Roles and contexts - Search tag in class zeroecho.core.CryptoAlgorithm

Section

rsa2048() - Static method in class zeroecho.core.alg.rsa.RsaKeyGenSpec

Convenience factory for a 2048-bit RSA spec with exponent 65537.

rsa3072() - Static method in class zeroecho.core.alg.rsa.RsaKeyGenSpec

Convenience factory for a 3072-bit RSA spec with exponent 65537.

rsa4096() - Static method in class zeroecho.core.alg.rsa.RsaKeyGenSpec

Convenience factory for a 4096-bit RSA spec with exponent 65537.

RsaAlgorithm - Class in zeroecho.core.alg.rsa

RSA algorithm binding for encryption/decryption and signature/verification.

RsaAlgorithm() - Constructor for class zeroecho.core.alg.rsa.RsaAlgorithm

Constructs a new RSA algorithm definition and registers its roles and key builders.

RsaCipherContext - Class in zeroecho.core.alg.rsa

Streaming RSA cipher context that transforms data block-by-block using OAEP or PKCS#1 v1.5 padding.

RsaCipherContext(CryptoAlgorithm, Key, boolean, RsaEncSpec) - Constructor for class zeroecho.core.alg.rsa.RsaCipherContext

Creates a new RSA cipher context for encryption or decryption with the given parameters.

RsaEncDataContentBuilder - Class in zeroecho.sdk.builders.alg

RsaEncDataContentBuilder builds streaming RSA encryption or decryption pipelines that operate while an InputStream is consumed.

RsaEncSpec - Class in zeroecho.core.alg.rsa

Specification of RSA encryption parameters including padding mode, hash function, and optional OAEP label.

RsaEncSpec.Hash - Enum Class in zeroecho.core.alg.rsa

Hash algorithms usable within OAEP padding.

RsaEncSpec.Padding - Enum Class in zeroecho.core.alg.rsa

Supported RSA padding schemes.

RsaKeyGenSpec - Class in zeroecho.core.alg.rsa

Key generation specification for RSA key pairs.

RsaKeyGenSpec(int, int) - Constructor for class zeroecho.core.alg.rsa.RsaKeyGenSpec

Constructs an RSA key generation spec with the given parameters.

RsaPrivateKeySpec - Class in zeroecho.core.alg.rsa

Encoded RSA private key specification in PKCS#8 format.

RsaPrivateKeySpec(byte[]) - Constructor for class zeroecho.core.alg.rsa.RsaPrivateKeySpec

Constructs a new RSA private key spec from a PKCS#8-encoded key.

RsaPublicKeySpec - Class in zeroecho.core.alg.rsa

Encoded RSA public key specification in X.509 SubjectPublicKeyInfo format.

RsaPublicKeySpec(byte[]) - Constructor for class zeroecho.core.alg.rsa.RsaPublicKeySpec

Constructs an RSA public key spec from an X.509-encoded key.

RSA rules - Search tag in class zeroecho.core.alg.rsa.BlockGeometry

Section

RsaSigDataContentBuilder - Class in zeroecho.sdk.builders.alg

RsaSigDataContentBuilder builds streaming RSA signature pipelines that sign or verify as an InputStream is consumed.

RsaSigDataContentBuilder.Mode - Enum Class in zeroecho.sdk.builders.alg

Mode selects whether the builder signs or verifies.

rsaSign(PrivateKey, RsaSigSpec) - Static method in class zeroecho.core.tag.TagEngineBuilder

Creates a builder for an RSA signing engine.

RsaSignatureContext - Class in zeroecho.core.alg.rsa

Streaming RSA signature context for signing or verifying data in a pull pipeline.

RsaSignatureContext(CryptoAlgorithm, PrivateKey, RsaSigSpec) - Constructor for class zeroecho.core.alg.rsa.RsaSignatureContext

Constructs a signing context using the given private key and signature specification.

RsaSignatureContext(CryptoAlgorithm, PublicKey, RsaSigSpec) - Constructor for class zeroecho.core.alg.rsa.RsaSignatureContext

Constructs a verification context using the given public key and signature specification.

RsaSigSpec - Class in zeroecho.core.alg.rsa

Specification of RSA signature parameters including padding mode, hash function, and (for PSS) salt length.

RsaSigSpec.Hash - Enum Class in zeroecho.core.alg.rsa

Supported hash algorithms for RSA signatures.

RsaSigSpec.Mode - Enum Class in zeroecho.core.alg.rsa

Signature padding modes supported by RSA.

rsaVerify(PublicKey, RsaSigSpec) - Static method in class zeroecho.core.tag.TagEngineBuilder

Creates a builder for an RSA verification engine.

Runtime parameters - Search tag in class zeroecho.sdk.builders.alg.AesDataContentBuilder

Section

Runtime parameters and context exchange - Search tag in package zeroecho.core.alg.aes

Section

Runtime parameters and context exchange - Search tag in package zeroecho.core.alg.chacha

Section

S

SaberAlgorithm - Class in zeroecho.core.alg.saber

Implements the SABER post-quantum key encapsulation mechanism for the crypto catalog and wires it to the Bouncy Castle PQC provider.

SaberAlgorithm() - Constructor for class zeroecho.core.alg.saber.SaberAlgorithm

Creates a SABER algorithm instance backed by the Bouncy Castle PQC provider and registers KEM and AGREEMENT capabilities, along with key generation and key import builders for SABER public and private keys.

saberkem128r3() - Static method in class zeroecho.core.alg.saber.SaberKeyGenSpec

Creates a specification for the SaberKEM128R3 variant.

SABERKEM128R3 - Enum constant in enum class zeroecho.core.alg.saber.SaberKeyGenSpec.Variant

Saber KEM, round-3, baseline 128-bit security parameter set.

saberkem192r3() - Static method in class zeroecho.core.alg.saber.SaberKeyGenSpec

Creates a specification for the SaberKEM192R3 variant.

SABERKEM192R3 - Enum constant in enum class zeroecho.core.alg.saber.SaberKeyGenSpec.Variant

Saber KEM, round-3, baseline 192-bit security parameter set.

saberkem256r3() - Static method in class zeroecho.core.alg.saber.SaberKeyGenSpec

Creates a specification for the SaberKEM256R3 variant.

SABERKEM256R3 - Enum constant in enum class zeroecho.core.alg.saber.SaberKeyGenSpec.Variant

Saber KEM, round-3, baseline 256-bit security parameter set.

SaberKemContext - Class in zeroecho.core.alg.saber

KEM context for SABER supporting encapsulation with a public key and decapsulation with a private key.

SaberKemContext(CryptoAlgorithm, PrivateKey) - Constructor for class zeroecho.core.alg.saber.SaberKemContext

Creates a decapsulation context bound to our PrivateKey.

SaberKemContext(CryptoAlgorithm, PublicKey) - Constructor for class zeroecho.core.alg.saber.SaberKemContext

Creates an encapsulation context bound to the recipient's PublicKey.

SaberKeyGenSpec - Class in zeroecho.core.alg.saber

Key generation specification for the SABER post-quantum KEM algorithm.

SaberKeyGenSpec.Variant - Enum Class in zeroecho.core.alg.saber

Enumeration of SABER parameter set variants.

SaberPrivateKeySpec - Class in zeroecho.core.alg.saber

Encoded private key specification for the SABER post-quantum KEM algorithm.

SaberPrivateKeySpec(byte[]) - Constructor for class zeroecho.core.alg.saber.SaberPrivateKeySpec

Constructs a private key specification from a PKCS#8-encoded SABER private key.

SaberPublicKeySpec - Class in zeroecho.core.alg.saber

Encoded public key specification for the SABER post-quantum KEM algorithm.

SaberPublicKeySpec(byte[]) - Constructor for class zeroecho.core.alg.saber.SaberPublicKeySpec

Constructs a public key specification from an X.509-encoded SABER public key.

Safety and validation - Search tag in package zeroecho.core.alg.aes

Section

Safety and validation - Search tag in package zeroecho.core.alg.chacha

Section

save(Path) - Method in class zeroecho.core.storage.KeyringStore

Saves the entire keyring to a UTF-8 text file.

Scope - Search tag in package zeroecho.sdk.content.export

Section

Scope and responsibilities - Search tag in package zeroecho.core.alg

Section

Scope and responsibilities - Search tag in package zeroecho.core.alg.bike

Section

Scope and responsibilities - Search tag in package zeroecho.core.alg.cmce

Section

Scope and responsibilities - Search tag in package zeroecho.core.alg.common.agreement

Section

Scope and responsibilities - Search tag in package zeroecho.core.alg.common.eddsa

Section

Scope and responsibilities - Search tag in package zeroecho.core.alg.dh

Section

Scope and responsibilities - Search tag in package zeroecho.core.alg.digest

Section

Scope and responsibilities - Search tag in package zeroecho.core.alg.ecdh

Section

Scope and responsibilities - Search tag in package zeroecho.core.alg.ecdsa

Section

Scope and responsibilities - Search tag in package zeroecho.core.alg.ed25519

Section

Scope and responsibilities - Search tag in package zeroecho.core.alg.ed448

Section

Scope and responsibilities - Search tag in package zeroecho.core.alg.elgamal

Section

Scope and responsibilities - Search tag in package zeroecho.core.alg.frodo

Section

Scope and responsibilities - Search tag in package zeroecho.core.alg.hmac

Section

Scope and responsibilities - Search tag in package zeroecho.core.alg.hqc

Section

Scope and responsibilities - Search tag in package zeroecho.core.alg.kyber

Section

Scope and responsibilities - Search tag in package zeroecho.core.alg.ntru

Section

Scope and responsibilities - Search tag in package zeroecho.core.alg.ntruprime

Section

Scope and responsibilities - Search tag in package zeroecho.core.alg.rsa

Section

Scope and responsibilities - Search tag in package zeroecho.core.alg.saber

Section

Scope and responsibilities - Search tag in package zeroecho.core.alg.sphincsplus

Section

Scope and responsibilities - Search tag in package zeroecho.core.alg.xdh

Section

Scope and responsibilities - Search tag in package zeroecho.core.audit

Section

SECRET_KEY - Enum constant in enum class zeroecho.core.storage.KeyringStore.Record.Kind

SecretContent - Interface in zeroecho.sdk.content.api

Represents secret content, which is a specific type of plain content that stores a secret phrase.

secretKey(String, S) - Static method in class zeroecho.core.CryptoAlgorithms

Imports a symmetric SecretKey using the algorithm’s registered builder.

SecretPassword - Class in zeroecho.sdk.content.builtin

A SecretContent implementation that encapsulates a passwordKey string.

SecretPassword(int) - Constructor for class zeroecho.sdk.content.builtin.SecretPassword

Constructs a SecretPassword with a randomly generated printable passwordKey of the specified length.

SecretPassword(String) - Constructor for class zeroecho.sdk.content.builtin.SecretPassword

Constructs a SecretPassword wrapping the specified passwordKey string.

SecretWithId(String, SecretKey) - Constructor for record class zeroecho.core.storage.KeyringStore.SecretWithId

Creates an instance of a SecretWithId record class.

security() - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec

Returns the security level of this specification.

Security considerations - Search tag in class zeroecho.core.alg.elgamal.ElgamalPrivateKeySpec

Section

Security considerations - Search tag in class zeroecho.core.alg.elgamal.ElgamalPublicKeySpec

Section

Security considerations - Search tag in class zeroecho.core.alg.hmac.HmacKeyGenSpec

Section

Security considerations - Search tag in interface zeroecho.core.context.AgreementContext

Section

Security considerations - Search tag in interface zeroecho.core.context.CryptoContext

Section

Security considerations - Search tag in interface zeroecho.core.context.DigestContext

Section

Security considerations - Search tag in interface zeroecho.core.context.EncryptionContext

Section

Security considerations - Search tag in interface zeroecho.core.context.KemContext

Section

Security considerations - Search tag in interface zeroecho.core.context.MacContext

Section

Security considerations - Search tag in interface zeroecho.core.context.MessageAgreementContext

Section

Security considerations - Search tag in zeroecho.sdk.guard.PasswordRecipient.PasswordRecipient(char[], int, int, int, boolean)

Section

Security considerations - Search tag in zeroecho.sdk.guard.Recipient.decoy()

Section

Security note - Search tag in class zeroecho.core.alg.hqc.HqcPrivateKeySpec

Section

Security note - Search tag in class zeroecho.core.alg.hqc.HqcPublicKeySpec

Section

Security notes - Search tag in class zeroecho.core.alg.hmac.HmacKeyImportSpec

Section

Security notes - Search tag in class zeroecho.core.alg.rsa.RsaEncSpec

Section

Security notes - Search tag in class zeroecho.core.alg.rsa.RsaSigSpec

Section

Security notes - Search tag in class zeroecho.core.policy.SecurityStrengthAdvisor

Section

Security notes - Search tag in interface zeroecho.sdk.guard.UnlockMaterial

Section

Security notes - Search tag in package zeroecho.sdk.content.export

Section

Security properties - Search tag in class zeroecho.core.NullKey

Section

SecurityStrengthAdvisor - Class in zeroecho.core.policy

Estimates conservative security strength in bits for a given algorithm identifier and key.

selectByFamily(AlgorithmFamily) - Static method in class zeroecho.core.CatalogSelector

Returns algorithm ids that belong to the given family, regardless of roles.

selectByFamilyAndRoles(AlgorithmFamily, Collection<KeyUsage>) - Static method in class zeroecho.core.CatalogSelector

Returns algorithm ids that belong to the given family and contain all required roles.

selectByRoles(Collection<KeyUsage>) - Static method in class zeroecho.core.CatalogSelector

Returns algorithm ids that contain all the given roles, regardless of family.

Selection and catalogs - Search tag in package zeroecho.core

Section

Serialization - Search tag in class zeroecho.core.alg.hmac.HmacKeyImportSpec

Section

Serialization - Search tag in class zeroecho.core.alg.hqc.HqcPrivateKeySpec

Section

Serialization - Search tag in class zeroecho.core.alg.hqc.HqcPublicKeySpec

Section

Serialization - Search tag in class zeroecho.core.alg.ntruprime.NtrulPrimePrivateKeySpec

Section

Serialization - Search tag in class zeroecho.core.alg.ntruprime.NtrulPrimePublicKeySpec

Section

Serialization - Search tag in class zeroecho.core.alg.ntruprime.SntruPrimePrivateKeySpec

Section

Serialization - Search tag in class zeroecho.core.alg.ntruprime.SntruPrimePublicKeySpec

Section

Serialization - Search tag in class zeroecho.core.marshal.PairSeq

Section

Serialization formats - Search tag in class zeroecho.core.CryptoCatalog

Section

setAuditListener(AuditListener) - Static method in class zeroecho.core.CryptoAlgorithms

Sets the global AuditListener.

setAuditMode(CryptoAlgorithms.AuditMode) - Static method in class zeroecho.core.CryptoAlgorithms

Sets the auditing mode for subsequently created contexts.

setContext(CtxInterface) - Method in class zeroecho.core.alg.aes.AesCipherContext

Sets the Conflux session context used to exchange IV/AAD/tagBits and to enable header I/O.

setContext(CtxInterface) - Method in class zeroecho.core.alg.chacha.ChaChaCipherContext

Attaches a context object that will be used to read and write per-session parameters.

setContext(CtxInterface) - Method in interface zeroecho.core.spi.ContextAware

Attaches a context object that will be used to read and write per-session parameters.

setExpectedTag(byte[]) - Method in class zeroecho.core.alg.common.eddsa.CommonEdDSASignatureContext

Sets the expected signature (tag) used in VERIFY mode.

setExpectedTag(byte[]) - Method in class zeroecho.core.alg.common.sig.GenericJcaSignatureContext

Sets the expected verification tag to be checked when the wrapped stream finishes.

setExpectedTag(byte[]) - Method in class zeroecho.core.alg.digest.JcaDigestContext

Installs an expected digest tag for verification mode.

setExpectedTag(byte[]) - Method in class zeroecho.core.alg.hmac.HmacMacContext

Sets the expected tag for verification mode.

setExpectedTag(byte[]) - Method in class zeroecho.core.alg.rsa.RsaSignatureContext

Sets the expected signature for verification mode.

setExpectedTag(byte[]) - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusSignatureContext

Supplies the expected signature for verification mode.

setExpectedTag(byte[]) - Method in interface zeroecho.core.tag.TagEngine

Supplies the expected tag for verify mode.

setExportMode(ExportableDataContent.ExportMode) - Method in class zeroecho.sdk.content.api.AbstractExportableDataContent

Sets the export mode to control how the data is output.

setExportMode(ExportableDataContent.ExportMode) - Method in interface zeroecho.sdk.content.api.ExportableDataContent

Sets the desired export mode.

setInput(DataContent) - Method in class zeroecho.sdk.content.api.AbstractExportableDataContent

Sets the input DataContent for export.

setInput(DataContent) - Method in interface zeroecho.sdk.content.api.DataContent

Connects this content to the output of a previous stage in the pipeline.

setInput(DataContent) - Method in class zeroecho.sdk.content.builtin.PlainBytes

Connects this content to the output of a previous stage in the pipeline.

setInput(DataContent) - Method in class zeroecho.sdk.content.builtin.PlainFile

Connects this content to the output of a previous stage in the pipeline.

setInput(DataContent) - Method in class zeroecho.sdk.content.builtin.PlainString

Connects this content to the output of a previous stage in the pipeline.

setPeerMessage(byte[]) - Method in class zeroecho.core.alg.common.agreement.KemMessageAgreementAdapter

Stores the peer’s ciphertext for decapsulation.

setPeerMessage(byte[]) - Method in interface zeroecho.core.context.MessageAgreementContext

Supplies the peer’s message to this context.

setPeerPublic(PublicKey) - Method in class zeroecho.core.alg.common.agreement.GenericJcaAgreementContext

Assigns the peer’s public key for the key agreement.

setPeerPublic(PublicKey) - Method in class zeroecho.core.alg.common.agreement.KemMessageAgreementAdapter

No-op for KEM-based contexts.

setPeerPublic(PublicKey) - Method in interface zeroecho.core.context.AgreementContext

Sets the peer's public key to be used in the key agreement.

setPolicy(CryptoPolicy<ContextSpec, Key>) - Static method in class zeroecho.core.CryptoAlgorithms

Sets the global cryptographic policy applied before any context creation.

setSlots(List<Slot>) - Method in class zeroecho.sdk.integrations.covert.jpeg.JpegExifEmbedder

Configures the list of EXIF slots to be used for payload embedding and extraction.

setVerificationApproach(ThrowingBiPredicate.VerificationBiPredicate<byte[]>) - Method in class zeroecho.core.alg.digest.JcaDigestContext

Sets the verification approach used to compare computed and expected digests.

setVerificationApproach(ThrowingBiPredicate.VerificationBiPredicate<byte[]>) - Method in class zeroecho.core.alg.hmac.HmacMacContext

Sets the verification approach used in verify mode to compare the expected and computed tags.

setVerificationApproach(ThrowingBiPredicate.VerificationBiPredicate<Signature>) - Method in class zeroecho.core.alg.common.eddsa.CommonEdDSASignatureContext

Sets the verification approach used to compare the computed and expected signatures.

setVerificationApproach(ThrowingBiPredicate.VerificationBiPredicate<Signature>) - Method in class zeroecho.core.alg.common.sig.GenericJcaSignatureContext

Sets the verification approach used in VERIFY mode to compare the expected and computed signatures.

setVerificationApproach(ThrowingBiPredicate.VerificationBiPredicate<Signature>) - Method in class zeroecho.core.alg.rsa.RsaSignatureContext

Sets the verification approach used to handle comparison outcomes in VERIFY mode.

setVerificationApproach(ThrowingBiPredicate.VerificationBiPredicate<Signature>) - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusSignatureContext

Sets the verification approach to compare computed and expected signatures.

setVerificationApproach(ThrowingBiPredicate.VerificationBiPredicate<T>) - Method in interface zeroecho.core.tag.TagEngine

Sets the verification approach used to compare computed and expected tags.

SHA_256 - Enum constant in enum class zeroecho.core.alg.digest.DigestSpec.Algorithm

SHA-256 digest from the SHA-2 family.

SHA_384 - Enum constant in enum class zeroecho.core.alg.digest.DigestSpec.Algorithm

SHA-384 digest from the SHA-2 family.

SHA_512 - Enum constant in enum class zeroecho.core.alg.digest.DigestSpec.Algorithm

SHA-512 digest from the SHA-2 family.

SHA1 - Enum constant in enum class zeroecho.core.alg.rsa.RsaEncSpec.Hash

SHA-1 (deprecated, retained for compatibility).

SHA2 - Enum constant in enum class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec.Hash

SHA-2 based instantiation.

SHA-2, SHA-3, and SHAKE digest algorithms - Search tag in class zeroecho.core.alg.digest.Sha2Sha3Algorithm

Section

sha256() - Static method in class zeroecho.core.alg.digest.DigestSpec

Returns a DigestSpec for SHA-256.

sha256() - Static method in class zeroecho.core.alg.hmac.HmacSpec

Convenience factory for HMAC-SHA256.

sha256() - Method in class zeroecho.sdk.builders.alg.DigestDataContentBuilder

Selects SHA-256 as the digest algorithm.

sha256() - Method in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Selects HmacSHA256.

sha256(int) - Static method in class zeroecho.core.alg.hmac.HmacKeyGenSpec

Convenience factory for HMAC-SHA256 key generation specs.

SHA256 - Enum constant in enum class zeroecho.core.alg.rsa.RsaEncSpec.Hash

SHA-256.

SHA256 - Enum constant in enum class zeroecho.core.alg.rsa.RsaSigSpec.Hash

SHA-256 digest.

Sha2Sha3Algorithm - Class in zeroecho.core.alg.digest

SHA-2, SHA-3, and SHAKE digest algorithms

Sha2Sha3Algorithm() - Constructor for class zeroecho.core.alg.digest.Sha2Sha3Algorithm

Constructs the SHA-2/SHA-3/SHAKE digest algorithm definition and registers its Capability.

sha3_256() - Static method in class zeroecho.core.alg.digest.DigestSpec

Returns a DigestSpec for SHA3-256.

sha3_256() - Method in class zeroecho.sdk.builders.alg.DigestDataContentBuilder

Selects SHA3-256 as the digest algorithm.

SHA3_256 - Enum constant in enum class zeroecho.core.alg.digest.DigestSpec.Algorithm

SHA3-256 digest from the SHA-3 family.

sha3_512() - Static method in class zeroecho.core.alg.digest.DigestSpec

Returns a DigestSpec for SHA3-512.

sha3_512() - Method in class zeroecho.sdk.builders.alg.DigestDataContentBuilder

Selects SHA3-512 as the digest algorithm.

SHA3_512 - Enum constant in enum class zeroecho.core.alg.digest.DigestSpec.Algorithm

SHA3-512 digest from the SHA-3 family.

sha384() - Static method in class zeroecho.core.alg.digest.DigestSpec

Returns a DigestSpec for SHA-384.

sha384() - Static method in class zeroecho.core.alg.hmac.HmacSpec

Convenience factory for HMAC-SHA384.

sha384() - Method in class zeroecho.sdk.builders.alg.DigestDataContentBuilder

Selects SHA-384 as the digest algorithm.

sha384() - Method in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Selects HmacSHA384.

sha384(int) - Static method in class zeroecho.core.alg.hmac.HmacKeyGenSpec

Convenience factory for HMAC-SHA384 key generation specs.

SHA384 - Enum constant in enum class zeroecho.core.alg.rsa.RsaEncSpec.Hash

SHA-384.

SHA384 - Enum constant in enum class zeroecho.core.alg.rsa.RsaSigSpec.Hash

SHA-384 digest.

sha512() - Static method in class zeroecho.core.alg.digest.DigestSpec

Returns a DigestSpec for SHA-512.

sha512() - Static method in class zeroecho.core.alg.hmac.HmacSpec

Convenience factory for HMAC-SHA512.

sha512() - Method in class zeroecho.sdk.builders.alg.DigestDataContentBuilder

Selects SHA-512 as the digest algorithm.

sha512() - Method in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Selects HmacSHA512.

sha512(int) - Static method in class zeroecho.core.alg.hmac.HmacKeyGenSpec

Convenience factory for HMAC-SHA512 key generation specs.

SHA512 - Enum constant in enum class zeroecho.core.alg.rsa.RsaEncSpec.Hash

SHA-512.

SHA512 - Enum constant in enum class zeroecho.core.alg.rsa.RsaSigSpec.Hash

SHA-512 digest.

SHAKE - Enum constant in enum class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec.Hash

SHAKE (SHA-3 XOF) based instantiation.

shake128(int) - Static method in class zeroecho.core.alg.digest.DigestSpec

Returns a DigestSpec for SHAKE128 with the given output length.

shake128(int) - Method in class zeroecho.sdk.builders.alg.DigestDataContentBuilder

Selects SHAKE128 with a given output length.

SHAKE128 - Enum constant in enum class zeroecho.core.alg.digest.DigestSpec.Algorithm

SHAKE128 extendable-output function (XOF).

shake256(int) - Static method in class zeroecho.core.alg.digest.DigestSpec

Returns a DigestSpec for SHAKE256 with the given output length.

shake256(int) - Method in class zeroecho.sdk.builders.alg.DigestDataContentBuilder

Selects SHAKE256 with a given output length.

SHAKE256 - Enum constant in enum class zeroecho.core.alg.digest.DigestSpec.Algorithm

SHAKE256 extendable-output function (XOF).

sharedSecret() - Method in class zeroecho.core.context.KemContext.KemResult

Returns the derived shared secret.

shuffle() - Method in class zeroecho.sdk.guard.MultiRecipientDataSourceBuilder

Randomly permutes the list of recipients using a default source of randomness.

sign() - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Switches the builder to sign mode.

sign() - Method in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Switches the builder to sign mode.

Sign - Search tag in package zeroecho.core.alg.common.sig

Section

SIGN - Enum constant in enum class zeroecho.core.KeyUsage

Create digital signatures.

SIGN - Enum constant in enum class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder.Mode

Sign mode produces a signature using a private key.

SIGN - Enum constant in enum class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder.Mode

Sign mode produces an RSA signature over the input stream.

signature(String, Key, ContextSpec) - Static method in class zeroecho.core.tag.TagEngineBuilder

Creates a builder for a signature engine of the given algorithm.

SignatureContext - Interface in zeroecho.core.context

Context for streaming digital signature operations in pull-based pipelines.

Signature length - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusSignatureContext

Section

Signatures and MACs - Search tag in package zeroecho.sdk.builders.alg

Section

SignatureTrailerInputStream - Class in zeroecho.sdk.io

SignatureTrailerInputStream reads an upstream stream that has a trailing signature tag and exposes only the original body while capturing the detached signature.

SignatureTrailerInputStream(SignatureContext, InputStream, int, Consumer<byte[]>) - Constructor for class zeroecho.sdk.io.SignatureTrailerInputStream

Creates a new signature-stripping stream that passes through only the body while capturing the trailing signature tag.

SignatureVerificationStrategy - Class in zeroecho.core.tag

Verification strategy that delegates to a JCA Signature object.

SignatureVerificationStrategy() - Constructor for class zeroecho.core.tag.SignatureVerificationStrategy

signFixedLength() - Method in enum class zeroecho.core.alg.ecdh.EcdhCurveSpec

Returns the fixed byte length of deterministic ECDSA signatures for this curve in P1363 format.

signFixedLength() - Method in enum class zeroecho.core.alg.ecdsa.EcdsaCurveSpec

Returns the fixed signature length for this curve in bytes.

Signing pipeline - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusSignatureContext

Section

Sign with Ed25519 - Search tag in interface zeroecho.core.context.SignatureContext

Section

Sign with RSA-PSS - Search tag in class zeroecho.core.alg.common.sig.GenericJcaSignatureContext

Section

Sign with RSASSA-PSS (SHA-256, salt 32) - Search tag in class zeroecho.core.alg.rsa.RsaSignatureContext

Section

SIMPLE - Enum constant in enum class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec.Mode

Simpler and more efficient construction.

size() - Method in class zeroecho.core.marshal.PairSeq

Returns the number of key-value pairs in this sequence.

sizeBits() - Method in class zeroecho.core.alg.dh.DhSpec

Returns the effective bit length of this group.

Slot - Class in zeroecho.sdk.integrations.covert.jpeg

Represents a target slot in an EXIF/TIFF metadata directory for covert data embedding.

Slot.SlotGroup - Enum Class in zeroecho.sdk.integrations.covert.jpeg

Logical groupings of EXIF/TIFF directories used to categorize slots.

Slot configuration - Search tag in package zeroecho.sdk.integrations.covert.jpeg

Section

SMALL - Enum constant in enum class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec.Variant

Smaller, slower signatures.

sntrup1013() - Static method in class zeroecho.core.alg.ntruprime.SntruPrimeKeyGenSpec

Creates a key generation specification for the SntruPrimeKeyGenSpec.Variant.SNTRUP1013 parameter set.

SNTRUP1013 - Enum constant in enum class zeroecho.core.alg.ntruprime.SntruPrimeKeyGenSpec.Variant

Variant beyond 256-bit with even larger parameters.

sntrup1277() - Static method in class zeroecho.core.alg.ntruprime.SntruPrimeKeyGenSpec

Creates a key generation specification for the SntruPrimeKeyGenSpec.Variant.SNTRUP1277 parameter set.

SNTRUP1277 - Enum constant in enum class zeroecho.core.alg.ntruprime.SntruPrimeKeyGenSpec.Variant

Largest standardized variant, with very high security margins.

sntrup653() - Static method in class zeroecho.core.alg.ntruprime.SntruPrimeKeyGenSpec

Creates a key generation specification for the SntruPrimeKeyGenSpec.Variant.SNTRUP653 parameter set.

SNTRUP653 - Enum constant in enum class zeroecho.core.alg.ntruprime.SntruPrimeKeyGenSpec.Variant

Variant with ~128-bit classical security.

sntrup761() - Static method in class zeroecho.core.alg.ntruprime.SntruPrimeKeyGenSpec

Creates a key generation specification for the SntruPrimeKeyGenSpec.Variant.SNTRUP761 parameter set.

SNTRUP761 - Enum constant in enum class zeroecho.core.alg.ntruprime.SntruPrimeKeyGenSpec.Variant

Variant with ~192-bit classical security.

sntrup857() - Static method in class zeroecho.core.alg.ntruprime.SntruPrimeKeyGenSpec

Creates a key generation specification for the SntruPrimeKeyGenSpec.Variant.SNTRUP857 parameter set.

SNTRUP857 - Enum constant in enum class zeroecho.core.alg.ntruprime.SntruPrimeKeyGenSpec.Variant

Variant with ~256-bit classical security.

sntrup953() - Static method in class zeroecho.core.alg.ntruprime.SntruPrimeKeyGenSpec

Creates a key generation specification for the SntruPrimeKeyGenSpec.Variant.SNTRUP953 parameter set.

SNTRUP953 - Enum constant in enum class zeroecho.core.alg.ntruprime.SntruPrimeKeyGenSpec.Variant

Variant beyond 256-bit with larger parameters.

SntruPrimeAlgorithm - Class in zeroecho.core.alg.ntruprime

Configures and exposes the SNTRU Prime post-quantum KEM and a message-agreement adapter backed by the Bouncy Castle PQC provider.

SntruPrimeAlgorithm() - Constructor for class zeroecho.core.alg.ntruprime.SntruPrimeAlgorithm

Creates a new algorithm wrapper for SNTRU Prime and registers its KEM and agreement capabilities, together with key builders for generation and import.

SntruPrimeKemContext - Class in zeroecho.core.alg.ntruprime

KEM context for SNTRU Prime that performs encapsulation and decapsulation using the underlying key material.

SntruPrimeKemContext(CryptoAlgorithm, PrivateKey) - Constructor for class zeroecho.core.alg.ntruprime.SntruPrimeKemContext

Creates a decapsulation context bound to a holder private key.

SntruPrimeKemContext(CryptoAlgorithm, PublicKey) - Constructor for class zeroecho.core.alg.ntruprime.SntruPrimeKemContext

Creates an encapsulation context bound to a recipient public key.

SntruPrimeKeyGenSpec - Class in zeroecho.core.alg.ntruprime

Algorithm-specific key generation parameters for SNTRU Prime.

SntruPrimeKeyGenSpec.Variant - Enum Class in zeroecho.core.alg.ntruprime

Enumeration of supported SNTRU Prime parameter sets.

SntruPrimePrivateKeySpec - Class in zeroecho.core.alg.ntruprime

Specification wrapper for an encoded SNTRU Prime private key in PKCS#8 format.

SntruPrimePrivateKeySpec(byte[]) - Constructor for class zeroecho.core.alg.ntruprime.SntruPrimePrivateKeySpec

Constructs a new private key specification from a PKCS#8-encoded byte array.

SntruPrimePublicKeySpec - Class in zeroecho.core.alg.ntruprime

Specification wrapper for an encoded SNTRU Prime public key in X.509 format.

SntruPrimePublicKeySpec(byte[]) - Constructor for class zeroecho.core.alg.ntruprime.SntruPrimePublicKeySpec

Constructs a new public key specification from an X.509-encoded byte array.

spec - Variable in class zeroecho.core.alg.chacha.ChaChaCipherContext

Algorithm-specific specification (e.g., AEAD parameters).

spec(AesSpec) - Method in class zeroecho.sdk.builders.alg.AesDataContentBuilder

Copies mode/padding/tagBits/header from a fully built AesSpec.

spec(ElgamalEncSpec) - Method in class zeroecho.sdk.builders.alg.ElgamalEncDataContentBuilder

Sets the encryption specification such as padding mode.

spec(HmacSpec) - Method in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Sets the HMAC specification to use for this pipeline.

spec(RsaEncSpec) - Method in class zeroecho.sdk.builders.alg.RsaEncDataContentBuilder

Sets the RSA encryption specification, including padding and OAEP parameters.

spec(RsaSigSpec) - Method in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Sets the RSA signature specification, including padding mode and hash options.

specClass() - Method in record class zeroecho.core.storage.KeyringStore.Record

Returns the value of the specClass record component.

Specification for a BIKE private key - Search tag in class zeroecho.core.alg.bike.BikePrivateKeySpec

Section

Specification for a BIKE public key - Search tag in class zeroecho.core.alg.bike.BikePublicKeySpec

Section

Specification for BIKE key generation - Search tag in class zeroecho.core.alg.bike.BikeKeyGenSpec

Section

Specification for Ed25519 key-pair generation - Search tag in class zeroecho.core.alg.ed25519.Ed25519KeyGenSpec

Section

Specification for Ed25519 private keys - Search tag in class zeroecho.core.alg.ed25519.Ed25519PrivateKeySpec

Section

Specification for Ed25519 public keys - Search tag in class zeroecho.core.alg.ed25519.Ed25519PublicKeySpec

Section

Specification for HMAC key generation - Search tag in class zeroecho.core.alg.hmac.HmacKeyGenSpec

Section

Specification for HMAC operation parameters - Search tag in class zeroecho.core.alg.hmac.HmacSpec

Section

Specification for importing a Frodo private key - Search tag in class zeroecho.core.alg.frodo.FrodoPrivateKeySpec

Section

Specification for importing a Frodo public key - Search tag in class zeroecho.core.alg.frodo.FrodoPublicKeySpec

Section

Spec marshaling - Search tag in class zeroecho.core.storage.KeyringStore

Section

Spec marshaling contract - Search tag in package zeroecho.core.storage

Section

specPayload() - Method in record class zeroecho.core.storage.KeyringStore.Record

Returns the value of the specPayload record component.

specType - Variable in class zeroecho.core.CryptoAlgorithm.AsymBuilderInfo

specType() - Method in record class zeroecho.core.Capability

Returns the value of the specType record component.

specType() - Method in record class zeroecho.core.CryptoAlgorithm.SymBuilderInfo

Returns the value of the specType record component.

SphincsPlusAlgorithm - Class in zeroecho.core.alg.sphincsplus

SPHINCS+ signature algorithm binding for the ZeroEcho framework.

SphincsPlusAlgorithm() - Constructor for class zeroecho.core.alg.sphincsplus.SphincsPlusAlgorithm

Creates a new SPHINCS+ algorithm instance and registers its capabilities.

SphincsPlusDataContentBuilder - Class in zeroecho.sdk.builders.alg

Builder for streaming signature operations using the SPHINCS+ post-quantum signature scheme.

SphincsPlusDataContentBuilder() - Constructor for class zeroecho.sdk.builders.alg.SphincsPlusDataContentBuilder

SphincsPlusKeyGenBuilder - Class in zeroecho.core.alg.sphincsplus

Key pair builder for the SPHINCS+ post-quantum signature scheme.

SphincsPlusKeyGenBuilder() - Constructor for class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenBuilder

SphincsPlusKeyGenSpec - Class in zeroecho.core.alg.sphincsplus

Specification for generating SPHINCS+ key pairs.

SphincsPlusKeyGenSpec.Hash - Enum Class in zeroecho.core.alg.sphincsplus

Hash function families supported by SPHINCS+.

SphincsPlusKeyGenSpec.Mode - Enum Class in zeroecho.core.alg.sphincsplus

Construction mode: conservative ROBUST vs.

SphincsPlusKeyGenSpec.Security - Enum Class in zeroecho.core.alg.sphincsplus

Security levels as defined by NIST PQC (L1, L3, L5).

SphincsPlusKeyGenSpec.Variant - Enum Class in zeroecho.core.alg.sphincsplus

Signature variants trading performance against signature size.

SphincsPlusPrivateKeyBuilder - Class in zeroecho.core.alg.sphincsplus

Builder for importing SPHINCS+ private keys from encoded specifications.

SphincsPlusPrivateKeyBuilder() - Constructor for class zeroecho.core.alg.sphincsplus.SphincsPlusPrivateKeyBuilder

SphincsPlusPrivateKeySpec - Class in zeroecho.core.alg.sphincsplus

Encoded representation of a SPHINCS+ private key.

SphincsPlusPrivateKeySpec(byte[]) - Constructor for class zeroecho.core.alg.sphincsplus.SphincsPlusPrivateKeySpec

Constructs a new specification with the default provider "BCPQC".

SphincsPlusPrivateKeySpec(byte[], String) - Constructor for class zeroecho.core.alg.sphincsplus.SphincsPlusPrivateKeySpec

Constructs a new specification with the given provider.

SphincsPlusPublicKeyBuilder - Class in zeroecho.core.alg.sphincsplus

Builder for importing SPHINCS+ public keys from encoded specifications.

SphincsPlusPublicKeyBuilder() - Constructor for class zeroecho.core.alg.sphincsplus.SphincsPlusPublicKeyBuilder

SphincsPlusPublicKeySpec - Class in zeroecho.core.alg.sphincsplus

Encoded representation of a SPHINCS+ public key.

SphincsPlusPublicKeySpec(byte[]) - Constructor for class zeroecho.core.alg.sphincsplus.SphincsPlusPublicKeySpec

Constructs a new specification with the default provider "BCPQC".

SphincsPlusPublicKeySpec(byte[], String) - Constructor for class zeroecho.core.alg.sphincsplus.SphincsPlusPublicKeySpec

Constructs a new specification with the given provider.

sphincsPlusSign(PrivateKey) - Static method in class zeroecho.core.tag.TagEngineBuilder

Creates a builder for a SPHINCS+ signing engine.

SphincsPlusSignatureContext - Class in zeroecho.core.alg.sphincsplus

SPHINCS+ signature context that adapts a JCA engine for streaming sign and verify.

SphincsPlusSignatureContext(CryptoAlgorithm, PrivateKey) - Constructor for class zeroecho.core.alg.sphincsplus.SphincsPlusSignatureContext

Creates a SPHINCS+ signing context bound to a private key.

SphincsPlusSignatureContext(CryptoAlgorithm, PublicKey) - Constructor for class zeroecho.core.alg.sphincsplus.SphincsPlusSignatureContext

Creates a SPHINCS+ verification context bound to a public key.

sphincsPlusVerify(PublicKey) - Static method in class zeroecho.core.tag.TagEngineBuilder

Creates a builder for a SPHINCS+ verification engine.

Standardized ECDH Curve Specifications - Search tag in enum class zeroecho.core.alg.ecdh.EcdhCurveSpec

Section

SteganographyMethod - Interface in zeroecho.sdk.integrations.stegano

Contract for stream-based steganographic methods.

StegoMetadata - Record Class in zeroecho.sdk.integrations.stegano

Metadata that describes a steganographic method.

StegoMetadata(String, String, String) - Constructor for record class zeroecho.sdk.integrations.stegano.StegoMetadata

Creates an instance of a StegoMetadata record class.

storeInCtx(Key<byte[]>) - Method in class zeroecho.sdk.builders.alg.DigestDataContentBuilder

Requests that the finalized digest be written into the context under the provided key.

storeSignature(Key<byte[]>) - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Configures the context key under which a generated signature will be stored after signing.

str - Variable in class zeroecho.sdk.content.builtin.PlainString

The plain text content represented by this instance.

Streaming model - Search tag in package zeroecho.sdk.builders.alg

Section

Streaming pipeline (wrap) - Search tag in class zeroecho.core.alg.ed25519.Ed25519SignatureContext

Section

Streaming pipeline (wrap) - Search tag in class zeroecho.core.alg.ed448.Ed448SignatureContext

Section

Strings - Class in zeroecho.core.util

Utility class providing string conversion helpers for debugging and logging.

Strip a fixed trailer (for example, 16-byte tag) from the end of a stream - Search tag in package zeroecho.core.io

Section

Subclass Contract - Search tag in class zeroecho.sdk.util.OutputToInputStreamAdapter

Section

Subclassing contract - Search tag in class zeroecho.core.io.AbstractPassthroughInputStream

Section

Subtypes - Search tag in interface zeroecho.core.context.CryptoContext

Section

Supported flows - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenBuilder

Section

Supported flows - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusPrivateKeyBuilder

Section

Supported flows - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusPublicKeyBuilder

Section

Supported operations - Search tag in class zeroecho.core.alg.ecdsa.EcdsaKeyGenBuilder

Section

Supported operations - Search tag in class zeroecho.core.alg.ecdsa.EcdsaPrivateKeyBuilder

Section

Supported operations - Search tag in class zeroecho.core.alg.ecdsa.EcdsaPublicKeyBuilder

Section

supports(KeyUsage) - Method in class zeroecho.core.CryptoAlgorithm

Returns whether this algorithm supports the given role.

SymBuilderInfo(Class<? extends AlgorithmKeySpec>, Object) - Constructor for record class zeroecho.core.CryptoAlgorithm.SymBuilderInfo

Creates an instance of a SymBuilderInfo record class.

SYMMETRIC - Enum constant in enum class zeroecho.core.AlgorithmFamily

Shared-key primitives (ciphers, MACs).

symmetricBuildersInfo() - Method in class zeroecho.core.CryptoAlgorithm

Returns metadata about all registered symmetric builders.

SymmetricHeaderCodec - Interface in zeroecho.core

Optional SPI to write/read a small header that carries runtime params (e.g., IV, tag length, AAD hash).

symmetricKeyBuilder(Class<S>) - Method in class zeroecho.core.CryptoAlgorithm

Returns the symmetric key builder associated with the given spec type.

SymmetricKeyBuilder<S> - Interface in zeroecho.core.spi

Factory interface for constructing symmetric keys from algorithm-specific specifications.

T

tag(String) - Static method in class zeroecho.core.ConfluxKeys

Returns a typed key for the authentication tag of a given algorithm.

tagBits(String) - Static method in class zeroecho.core.ConfluxKeys

Returns a typed key for the number of authentication tag bits.

TagEngine<T> - Interface in zeroecho.core.tag

Minimal streaming engine for producing or verifying authentication tags on byte streams.

TagEngineBuilder<T> - Class in zeroecho.core.tag

Factory-style builder that supplies fresh TagEngine instances on demand.

TagEngine contract - Search tag in class zeroecho.core.alg.hmac.HmacMacContext

Section

tagInfo - Variable in class zeroecho.sdk.integrations.covert.jpeg.Slot

Metadata tag info describing the structure of this slot.

tagLenBits() - Method in class zeroecho.core.alg.aes.AesSpec

Returns the authentication tag length in bits.

tagLenBits(int) - Method in class zeroecho.core.alg.aes.AesSpec.Builder

Sets the GCM authentication tag length in bits.

tagLength() - Method in class zeroecho.core.alg.common.eddsa.CommonEdDSASignatureContext

Returns the fixed tag (signature) length in bytes for this algorithm.

tagLength() - Method in class zeroecho.core.alg.common.sig.GenericJcaSignatureContext

Returns the declared tag length in bytes.

tagLength() - Method in class zeroecho.core.alg.digest.JcaDigestContext

Returns the digest length in bytes.

tagLength() - Method in class zeroecho.core.alg.hmac.HmacMacContext

Returns the MAC tag length in bytes.

tagLength() - Method in class zeroecho.core.alg.rsa.RsaSignatureContext

Returns the signature length in bytes.

tagLength() - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusSignatureContext

Returns the length of the signature (tag) produced or expected.

tagLength() - Method in interface zeroecho.core.tag.TagEngine

Returns the fixed length in bytes of the final authentication tag.

TagTrailerDataContentBuilder<T> - Class in zeroecho.sdk.builders

Builder for DataContent pipelines that attach or verify an authentication tag at end of stream.

TagTrailerDataContentBuilder(Supplier<? extends TagEngine<T>>) - Constructor for class zeroecho.sdk.builders.TagTrailerDataContentBuilder

Creates a builder with an engine factory.

TagTrailerDataContentBuilder(TagEngine<T>) - Constructor for class zeroecho.sdk.builders.TagTrailerDataContentBuilder

Creates a builder bound to a fixed engine instance.

tailLength() - Method in class zeroecho.core.io.TailStrippingInputStream

Returns the number of bytes stripped from the end of the stream.

TailStrippingInputStream - Class in zeroecho.core.io

InputStream that withholds the last N bytes from the upstream stream and emits everything before that tail, delivering the withheld tail to a callback at EOF.

TailStrippingInputStream(InputStream, int, int) - Constructor for class zeroecho.core.io.TailStrippingInputStream

Creates a new tail-stripping stream around an upstream source.

TextualCodec - Class in zeroecho.sdk.integrations.covert

A utility class for generating pseudo-random textual content based on predefined character frequency distributions.

TextualCodec.Generator - Class in zeroecho.sdk.integrations.covert

Generates characters or strings using a frequency-based distribution.

Thread safety - Search tag in class zeroecho.core.CryptoAlgorithm

Section

Thread safety - Search tag in interface zeroecho.core.spec.ContextSpec

Section

Thread safety - Search tag in interface zeroecho.core.spi.AsymmetricKeyBuilder

Section

Thread safety - Search tag in interface zeroecho.core.spi.ContextAware

Section

Thread safety - Search tag in interface zeroecho.core.spi.ContextConstructorKS

Section

Thread safety - Search tag in interface zeroecho.core.spi.SymmetricKeyBuilder

Section

Thread safety - Search tag in package zeroecho.core.spi

Section

Thread safety - Search tag in package zeroecho.sdk.builders

Section

Thread safety - Search tag in package zeroecho.sdk.builders.alg

Section

Thread-safety - Search tag in class zeroecho.core.CryptoAlgorithms

Section

Thread-safety - Search tag in class zeroecho.core.NullKey

Section

Thread-safety - Search tag in class zeroecho.core.alg.AbstractCryptoAlgorithm

Section

Thread-safety - Search tag in class zeroecho.core.alg.common.agreement.KemMessageAgreementAdapter

Section

Thread-safety - Search tag in class zeroecho.core.alg.common.eddsa.AbstractEdDSAKeyGenBuilder

Section

Thread-safety - Search tag in class zeroecho.core.alg.common.eddsa.AbstractEncodedPrivateKeyBuilder

Section

Thread-safety - Search tag in class zeroecho.core.alg.common.eddsa.AbstractEncodedPublicKeyBuilder

Section

Thread-safety - Search tag in class zeroecho.core.alg.common.eddsa.CommonEdDSASignatureContext

Section

Thread-safety - Search tag in class zeroecho.core.alg.common.sig.GenericJcaSignatureContext

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Thread-safety - Search tag in class zeroecho.core.alg.dh.DhAlgorithm

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Thread-safety - Search tag in class zeroecho.core.alg.dh.DhSpec

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Thread-safety - Search tag in class zeroecho.core.alg.digest.DigestSpec

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Thread-safety - Search tag in class zeroecho.core.alg.digest.JcaDigestContext

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Thread-safety - Search tag in class zeroecho.core.alg.digest.Sha2Sha3Algorithm

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Thread-safety - Search tag in class zeroecho.core.alg.ed25519.Ed25519Algorithm

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Thread-safety - Search tag in class zeroecho.core.alg.ed25519.Ed25519KeyGenBuilder

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Thread-safety - Search tag in class zeroecho.core.alg.ed25519.Ed25519KeyGenSpec

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Thread-safety - Search tag in class zeroecho.core.alg.ed25519.Ed25519PrivateKeyBuilder

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Thread-safety - Search tag in class zeroecho.core.alg.ed25519.Ed25519PrivateKeySpec

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Thread-safety - Search tag in class zeroecho.core.alg.ed25519.Ed25519PublicKeyBuilder

Section

Thread-safety - Search tag in class zeroecho.core.alg.ed25519.Ed25519PublicKeySpec

Section

Thread-safety - Search tag in class zeroecho.core.alg.ed25519.Ed25519SignatureContext

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Thread-safety - Search tag in class zeroecho.core.alg.ed448.Ed448Algorithm

Section

Thread-safety - Search tag in class zeroecho.core.alg.ed448.Ed448KeyGenBuilder

Section

Thread-safety - Search tag in class zeroecho.core.alg.ed448.Ed448KeyGenSpec

Section

Thread-safety - Search tag in class zeroecho.core.alg.ed448.Ed448PrivateKeyBuilder

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Thread-safety - Search tag in class zeroecho.core.alg.ed448.Ed448PrivateKeySpec

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Thread-safety - Search tag in class zeroecho.core.alg.ed448.Ed448PublicKeyBuilder

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Thread-safety - Search tag in class zeroecho.core.alg.ed448.Ed448PublicKeySpec

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Thread-safety - Search tag in class zeroecho.core.alg.ed448.Ed448SignatureContext

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Thread-safety - Search tag in class zeroecho.core.alg.elgamal.ElgamalAlgorithm

Section

Thread-safety - Search tag in class zeroecho.core.alg.elgamal.ElgamalCipherContext

Section

Thread-safety - Search tag in class zeroecho.core.alg.elgamal.ElgamalEncSpec

Section

Thread-safety - Search tag in class zeroecho.core.alg.elgamal.ElgamalKeyGenSpec

Section

Thread-safety - Search tag in class zeroecho.core.alg.elgamal.ElgamalParamSpec

Section

Thread-safety - Search tag in class zeroecho.core.alg.elgamal.ElgamalPrivateKeySpec

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Thread-safety - Search tag in class zeroecho.core.alg.elgamal.ElgamalPublicKeySpec

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Thread-safety - Search tag in class zeroecho.core.alg.frodo.FrodoAlgorithm

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Thread-safety - Search tag in class zeroecho.core.alg.frodo.FrodoKemContext

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Thread-safety - Search tag in class zeroecho.core.alg.frodo.FrodoKeyGenSpec

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Thread-safety - Search tag in class zeroecho.core.alg.frodo.FrodoPrivateKeySpec

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Thread-safety - Search tag in class zeroecho.core.alg.frodo.FrodoPublicKeySpec

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Thread-safety - Search tag in class zeroecho.core.alg.hmac.HmacMacContext

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Thread-safety - Search tag in class zeroecho.core.alg.hqc.HqcAlgorithm

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Thread-safety - Search tag in class zeroecho.core.alg.hqc.HqcKemContext

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Thread-safety - Search tag in class zeroecho.core.alg.kyber.KyberAlgorithm

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Thread-safety - Search tag in class zeroecho.core.alg.kyber.KyberKemContext

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Thread-safety - Search tag in class zeroecho.core.alg.ntru.NtruAlgorithm

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Thread-safety - Search tag in class zeroecho.core.alg.ntru.NtruKemContext

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Thread-safety - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusAlgorithm

Section

Thread-safety - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusPrivateKeySpec

Section

Thread-safety - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusPublicKeySpec

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Thread-safety - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusSignatureContext

Section

Thread-safety - Search tag in class zeroecho.core.io.AbstractChunkTransformInputStream

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Thread-safety - Search tag in class zeroecho.core.io.AbstractPassthroughInputStream

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Thread-safety - Search tag in class zeroecho.core.io.CipherTransformInputStreamBuilder

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Thread-safety - Search tag in class zeroecho.core.io.TailStrippingInputStream

Section

Thread-safety - Search tag in class zeroecho.core.marshal.PairSeq

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Thread-safety - Search tag in class zeroecho.core.marshal.PairSeqCodec

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Thread-safety - Search tag in class zeroecho.core.policy.SecurityStrengthAdvisor

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Thread-safety - Search tag in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

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Thread-safety - Search tag in class zeroecho.sdk.builders.alg.ChaChaDataContentBuilder

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Thread-safety - Search tag in class zeroecho.sdk.builders.alg.DigestDataContentBuilder

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Thread-safety - Search tag in class zeroecho.sdk.builders.alg.EcdsaDataContentBuilder

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Thread-safety - Search tag in class zeroecho.sdk.builders.alg.Ed25519DataContentBuilder

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Thread-safety - Search tag in class zeroecho.sdk.builders.alg.ElgamalEncDataContentBuilder

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Thread-safety - Search tag in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

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Thread-safety - Search tag in class zeroecho.sdk.builders.alg.KemDataContentBuilder

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Thread-safety - Search tag in class zeroecho.sdk.builders.alg.RsaEncDataContentBuilder

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Thread-safety - Search tag in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

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Thread-safety - Search tag in class zeroecho.sdk.builders.alg.SphincsPlusDataContentBuilder

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Thread-safety - Search tag in class zeroecho.sdk.guard.EncCtxRecipient

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Thread-safety - Search tag in class zeroecho.sdk.guard.KemCtxRecipient

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Thread-safety - Search tag in class zeroecho.sdk.io.SignatureTrailerInputStream

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Thread-safety - Search tag in package zeroecho.core.alg.aes

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Thread-safety - Search tag in package zeroecho.core.alg.bike

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Thread-safety - Search tag in package zeroecho.core.alg.chacha

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Thread-safety - Search tag in package zeroecho.core.alg.cmce

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Thread-safety - Search tag in package zeroecho.core.alg.common.sig

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Thread-safety - Search tag in package zeroecho.core.alg.ntruprime

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Thread-safety - Search tag in package zeroecho.sdk.integrations.covert.jpeg

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Thread-safety - Search tag in record class zeroecho.core.Capability

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Thread-safety - Search tag in record class zeroecho.core.CryptoAlgorithm.SymBuilderInfo

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Thread‑safety - Search tag in class zeroecho.core.alg.aes.AesAlgorithm

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Thread‑safety - Search tag in class zeroecho.sdk.builders.alg.AesDataContentBuilder

Section

ThrowingBiPredicate<T,U,E> - Interface in zeroecho.core.tag

A functional predicate of two arguments that may throw a checked exception.

ThrowingBiPredicate.FlagOkInCtx<T> - Class in zeroecho.core.tag

Decorator that records the verification outcome in a context before returning it.

ThrowingBiPredicate.ThrowOnMismatch<T> - Class in zeroecho.core.tag

Decorator that throws VerificationException when the delegated verification fails.

ThrowingBiPredicate.VerificationBiPredicate<T> - Class in zeroecho.core.tag

Base type for verification strategies that compare a value of type T to a byte array and may throw VerificationException.

throwOnMismatch() - Method in class zeroecho.sdk.builders.TagTrailerDataContentBuilder

Configures decryption to throw on verification mismatch.

ThrowOnMismatch(ThrowingBiPredicate.VerificationBiPredicate<T>) - Constructor for class zeroecho.core.tag.ThrowingBiPredicate.ThrowOnMismatch

Creates a new throwing decorator.

THUMBNAIL - Enum constant in enum class zeroecho.sdk.integrations.covert.jpeg.Slot.SlotGroup

Thumbnail metadata group, storing metadata and image data for embedded preview thumbnails.

TIFF - Enum constant in enum class zeroecho.sdk.integrations.covert.jpeg.Slot.SlotGroup

TIFF metadata group, which includes baseline TIFF tags such as image dimensions, compression type, and color format.

toBytes() - Method in interface zeroecho.sdk.content.api.DataContent

Returns the content's data as a byte array, with a size limit of 16MB by default.

toBytes() - Method in class zeroecho.sdk.content.builtin.PlainBytes

Returns a copy of the internal byte buffer.

toBytes() - Method in class zeroecho.sdk.content.builtin.PlainString

Returns the UTF-8 encoded byte array of the string.

toJson() - Method in class zeroecho.core.CryptoCatalog

Serializes the catalog to a compact JSON document.

toShortHexString(byte[]) - Static method in class zeroecho.core.util.Strings

Converts a byte array into a compact hexadecimal string representation.

toShortString(byte[]) - Static method in class zeroecho.core.util.Strings

Converts a byte array into a short, human-readable string representation.

toString() - Method in record class zeroecho.core.alg.aes.AesKeyGenSpec

Returns a string representation of this record class.

toString() - Method in class zeroecho.core.alg.bike.BikePrivateKeySpec

Returns a diagnostic string including encoded length.

toString() - Method in class zeroecho.core.alg.bike.BikePublicKeySpec

Returns a diagnostic string including encoded length.

toString() - Method in record class zeroecho.core.alg.chacha.ChaChaKeyGenSpec

Returns a string representation of this record class.

toString() - Method in class zeroecho.core.alg.cmce.CmcePrivateKeySpec

Returns a diagnostic string with the length of the encoded key.

toString() - Method in class zeroecho.core.alg.cmce.CmcePublicKeySpec

Returns a diagnostic string with the length of the encoded key.

toString() - Method in class zeroecho.core.alg.frodo.FrodoPrivateKeySpec

Returns a diagnostic string containing the encoded length.

toString() - Method in class zeroecho.core.alg.frodo.FrodoPublicKeySpec

Returns a diagnostic string containing the encoded length.

toString() - Method in class zeroecho.core.alg.hqc.HqcPrivateKeySpec

Returns a diagnostic string containing the encoded length.

toString() - Method in class zeroecho.core.alg.hqc.HqcPublicKeySpec

Returns a diagnostic string containing the encoded length.

toString() - Method in class zeroecho.core.alg.kyber.KyberPrivateKeySpec

Returns a diagnostic string for logging and debugging.

toString() - Method in class zeroecho.core.alg.kyber.KyberPublicKeySpec

Returns a diagnostic string for logging and debugging.

toString() - Method in class zeroecho.core.alg.ntru.NtruPrivateKeySpec

Returns a short diagnostic string including the encoded length.

toString() - Method in class zeroecho.core.alg.ntru.NtruPublicKeySpec

Returns a short diagnostic string including the encoded length.

toString() - Method in class zeroecho.core.alg.ntruprime.NtrulPrimePrivateKeySpec

Returns a diagnostic string identifying this specification.

toString() - Method in class zeroecho.core.alg.ntruprime.NtrulPrimePublicKeySpec

Returns a diagnostic string identifying this specification.

toString() - Method in class zeroecho.core.alg.ntruprime.SntruPrimePrivateKeySpec

Returns a diagnostic string identifying this specification.

toString() - Method in class zeroecho.core.alg.ntruprime.SntruPrimePublicKeySpec

Returns a diagnostic string identifying this specification.

toString() - Method in class zeroecho.core.alg.saber.SaberPrivateKeySpec

Returns a diagnostic string showing the length of the encoded key.

toString() - Method in class zeroecho.core.alg.saber.SaberPublicKeySpec

Returns a diagnostic string showing the length of the encoded key.

toString() - Method in record class zeroecho.core.Capability

Returns a string representation of this record class.

toString() - Method in record class zeroecho.core.CryptoAlgorithm.SymBuilderInfo

Returns a string representation of this record class.

toString() - Method in exception class zeroecho.core.err.VerificationException

Returns a string representation of this exception.

toString() - Method in class zeroecho.core.NullKey

Returns a diagnostic string for logs and debugging.

toString() - Method in record class zeroecho.core.storage.KeyringStore.PrivateWithId

Returns a string representation of this record class.

toString() - Method in record class zeroecho.core.storage.KeyringStore.PublicWithId

Returns a string representation of this record class.

toString() - Method in record class zeroecho.core.storage.KeyringStore.Record

Returns a string representation of this record class.

toString() - Method in record class zeroecho.core.storage.KeyringStore.SecretWithId

Returns a string representation of this record class.

toString() - Method in record class zeroecho.sdk.guard.UnlockMaterial.Password

Returns a string representation of this record class.

toString() - Method in record class zeroecho.sdk.guard.UnlockMaterial.Private

Returns a string representation of this record class.

toString() - Method in class zeroecho.sdk.integrations.covert.jpeg.Slot

Returns a human-readable representation of the slot, including its tag name and capacity.

toString() - Method in record class zeroecho.sdk.integrations.stegano.StegoMetadata

Returns a string representation of this record class.

toText() - Method in interface zeroecho.sdk.content.api.DataContent

Returns the content's data as a UTF-8 encoded string.

toText() - Method in class zeroecho.sdk.content.builtin.PlainString

Returns the original string content.

toXml() - Method in class zeroecho.core.CryptoCatalog

Serializes the catalog to an XML document.

transform(byte[], int, int, byte[]) - Method in class zeroecho.core.io.AbstractChunkTransformInputStream

Transforms one or more full input chunks into output bytes.

transformationOut - Variable in class zeroecho.sdk.util.OutputToInputStreamAdapter

The output stream performing transformation and writing to baos.

Transient parameters and sentinels - Search tag in package zeroecho.core

Section

tryOpen(String, byte[], UnlockMaterial) - Method in class zeroecho.sdk.guard.EncCtxOpener

tryOpen(String, byte[], UnlockMaterial) - Method in class zeroecho.sdk.guard.KemCtxOpener

tryOpen(String, byte[], UnlockMaterial) - Method in class zeroecho.sdk.guard.PasswordOpener

Attempts to open a password-based recipient entry using a password unlock material.

Typical flows - Search tag in enum class zeroecho.sdk.builders.alg.HmacDataContentBuilder.Mode

Section

Typical parameters - Search tag in interface zeroecho.core.spi.ContextAware

Section

Typical usage - Search tag in class zeroecho.core.alg.AbstractCryptoAlgorithm

Section

Typical usage - Search tag in class zeroecho.core.alg.hmac.HmacKeyImportSpec

Section

Typical usage - Search tag in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Section

Typical usage - Search tag in class zeroecho.sdk.builders.alg.EcdsaDataContentBuilder

Section

Typical usage - Search tag in class zeroecho.sdk.builders.alg.Ed25519DataContentBuilder

Section

Typical usage - Search tag in class zeroecho.sdk.builders.alg.ElgamalEncDataContentBuilder

Section

Typical usage - Search tag in interface zeroecho.core.policy.CryptoPolicy

Section

Typical usage - Search tag in package zeroecho.core.audit

Section

Typical usage - Search tag in package zeroecho.core.err

Section

Typical usage - Search tag in package zeroecho.core.io

Section

Typical usage - Search tag in package zeroecho.core.marshal

Section

Typical usage - Search tag in package zeroecho.core.policy

Section

Typical usage - Search tag in package zeroecho.core.spec

Section

Typical usage - Search tag in package zeroecho.core.storage

Section

Typical usage - Search tag in package zeroecho.core.tag

Section

Typical usage - Search tag in package zeroecho.sdk.builders

Section

Typical usage - Search tag in package zeroecho.sdk.builders.core

Section

Typical usage - Search tag in package zeroecho.sdk.content.builtin

Section

Typical usage - Search tag in package zeroecho.sdk.content.export

Section

Typical usage - Search tag in package zeroecho.sdk.guard

Section

Typical usage - Search tag in package zeroecho.sdk.integrations.covert

Section

Typical usage - Search tag in package zeroecho.sdk.io

Section

Typical usage - Search tag in package zeroecho.sdk.util

Section

Typical usages - Search tag in enum class zeroecho.core.KeyUsage

Section

Typical use - Search tag in class zeroecho.core.io.TailStrippingInputStream

Section

Typical workflow - Search tag in package zeroecho.sdk.integrations.stegano

Section

U

UnlockMaterial - Interface in zeroecho.sdk.guard

UnlockMaterial represents the unlocking data supplied to a recipient opener to recover a content-encryption key (CEK).

UnlockMaterial.Password - Record Class in zeroecho.sdk.guard

Password holds characters used to derive a key-encryption key (KEK) for unwrapping the CEK.

UnlockMaterial.Private - Record Class in zeroecho.sdk.guard

Private holds a private key used to decrypt or decapsulate a recipient entry.

unlockWith(UnlockMaterial) - Method in class zeroecho.sdk.guard.MultiRecipientDataSourceBuilder

Supplies the unlocking material for decryption, either a private key or a password.

unmarshal(R) - Method in interface zeroecho.core.marshal.Codec

Converts a serialized representation back into the domain object.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.aes.AesKeyImportSpec

Reconstructs a specification from a key/value sequence.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.bike.BikePrivateKeySpec

Deserializes a spec from a PairSeq.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.bike.BikePublicKeySpec

Deserializes a spec from a PairSeq.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.chacha.ChaChaKeyImportSpec

Restores a spec from a serialized PairSeq.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.cmce.CmcePrivateKeySpec

Deserializes a CmcePrivateKeySpec from a PairSeq.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.cmce.CmcePublicKeySpec

Deserializes a CmcePublicKeySpec from a PairSeq.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.dh.DhPrivateKeySpec

Reconstructs a DhPrivateKeySpec from a PairSeq.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.dh.DhPublicKeySpec

Reconstructs a DhPublicKeySpec from a PairSeq.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.ecdsa.EcdsaPrivateKeySpec

Reconstructs a private key specification from a PairSeq.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.ecdsa.EcdsaPublicKeySpec

Reconstructs a public key specification from a PairSeq.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.ed25519.Ed25519PrivateKeySpec

Reconstructs a private key spec from a base64-encoded PairSeq.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.ed25519.Ed25519PublicKeySpec

Reconstructs a public key spec from a base64-encoded PairSeq.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.ed448.Ed448PrivateKeySpec

Deserializes a PairSeq into a new Ed448PrivateKeySpec.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.ed448.Ed448PublicKeySpec

Deserializes a PairSeq into a new Ed448PublicKeySpec.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.elgamal.ElgamalPrivateKeySpec

Parses a PairSeq and reconstructs an ElgamalPrivateKeySpec.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.elgamal.ElgamalPublicKeySpec

Parses a PairSeq and reconstructs an ElgamalPublicKeySpec.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.frodo.FrodoPrivateKeySpec

Parses a PairSeq previously produced by FrodoPrivateKeySpec.marshal(FrodoPrivateKeySpec).

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.frodo.FrodoPublicKeySpec

Parses a PairSeq previously produced by FrodoPublicKeySpec.marshal(FrodoPublicKeySpec).

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.hmac.HmacKeyImportSpec

Deserializes a spec from a PairSeq.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.hqc.HqcPrivateKeySpec

Reconstructs a spec from its PairSeq representation.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.hqc.HqcPublicKeySpec

Reconstructs a spec from its PairSeq representation.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.kyber.KyberPrivateKeySpec

Reconstructs a KyberPrivateKeySpec from a PairSeq.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.kyber.KyberPublicKeySpec

Reconstructs a KyberPublicKeySpec from a PairSeq.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.ntru.NtruPrivateKeySpec

Deserializes a specification from a name-value sequence produced by NtruPrivateKeySpec.marshal(NtruPrivateKeySpec).

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.ntru.NtruPublicKeySpec

Deserializes a specification from a name-value sequence produced by NtruPublicKeySpec.marshal(NtruPublicKeySpec).

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.ntruprime.NtrulPrimePrivateKeySpec

Reconstructs a private key specification from a PairSeq.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.ntruprime.NtrulPrimePublicKeySpec

Reconstructs a public key specification from a PairSeq.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.ntruprime.SntruPrimePrivateKeySpec

Reconstructs a private key specification from a PairSeq.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.ntruprime.SntruPrimePublicKeySpec

Reconstructs a public key specification from a PairSeq.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.rsa.RsaPrivateKeySpec

Reconstructs an RSA private key spec from a marshaled PairSeq.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.rsa.RsaPublicKeySpec

Reconstructs an RSA public key spec from a marshaled PairSeq.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.saber.SaberPrivateKeySpec

Deserializes a SaberPrivateKeySpec from its PairSeq form.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.saber.SaberPublicKeySpec

Deserializes a SaberPublicKeySpec from its PairSeq form.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.sphincsplus.SphincsPlusPrivateKeySpec

Deserializes a SphincsPlusPrivateKeySpec from a PairSeq.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.sphincsplus.SphincsPlusPublicKeySpec

Deserializes a SphincsPlusPublicKeySpec from a PairSeq.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.xdh.XdhPrivateKeySpec

Deserializes a specification from the given PairSeq.

unmarshal(PairSeq) - Static method in class zeroecho.core.alg.xdh.XdhPublicKeySpec

Deserializes a specification from the given PairSeq.

unmarshal(PairSeq) - Method in class zeroecho.core.marshal.PairSeqCodec

Decodes a PairSeq back into a domain object by convention.

UnsupportedRoleException - Exception Class in zeroecho.core.err

Exception indicating that an algorithm does not support the requested role.

UnsupportedRoleException(String) - Constructor for exception class zeroecho.core.err.UnsupportedRoleException

Creates a new exception with a detail message.

UnsupportedSpecException - Exception Class in zeroecho.core.err

Exception indicating that a provided key/spec combination is not supported by the algorithm for the requested role.

UnsupportedSpecException(String) - Constructor for exception class zeroecho.core.err.UnsupportedSpecException

Creates a new exception with the given message.

update(byte[], int, int) - Method in class zeroecho.core.io.AbstractPassthroughInputStream

Called for each body chunk just read from the upstream.

upon(KemContext) - Method in class zeroecho.core.alg.common.agreement.KemMessageAgreementAdapter.Builder

Binds this adapter to a KEM context.

url(URL) - Method in class zeroecho.sdk.builders.core.PlainFileBuilder.DefaultPlainFileBuilder

url(URL) - Method in interface zeroecho.sdk.builders.core.PlainFileBuilder

Sets the URL of the file to be used as the plain content source.

Usage - Search tag in class zeroecho.core.alg.bike.BikeKemContext

Section

Usage - Search tag in class zeroecho.core.alg.bike.BikeKeyGenSpec

Section

Usage - Search tag in class zeroecho.core.alg.bike.BikePrivateKeySpec

Section

Usage - Search tag in class zeroecho.core.alg.bike.BikePublicKeySpec

Section

Usage - Search tag in class zeroecho.core.alg.chacha.ChaChaKeyImportSpec

Section

Usage - Search tag in class zeroecho.core.alg.ecdh.EcdhKeyGenBuilder

Section

Usage - Search tag in class zeroecho.core.alg.ecdsa.EcdsaKeyGenBuilder

Section

Usage - Search tag in class zeroecho.core.alg.ecdsa.EcdsaPrivateKeyBuilder

Section

Usage - Search tag in class zeroecho.core.alg.ecdsa.EcdsaPrivateKeySpec

Section

Usage - Search tag in class zeroecho.core.alg.ecdsa.EcdsaPublicKeyBuilder

Section

Usage - Search tag in class zeroecho.core.alg.ecdsa.EcdsaPublicKeySpec

Section

Usage - Search tag in class zeroecho.core.alg.ed25519.Ed25519SignatureContext

Section

Usage - Search tag in class zeroecho.core.alg.ed448.Ed448KeyGenBuilder

Section

Usage - Search tag in class zeroecho.core.alg.ed448.Ed448KeyGenSpec

Section

Usage - Search tag in class zeroecho.core.alg.ed448.Ed448PrivateKeyBuilder

Section

Usage - Search tag in class zeroecho.core.alg.ed448.Ed448PrivateKeySpec

Section

Usage - Search tag in class zeroecho.core.alg.ed448.Ed448PublicKeyBuilder

Section

Usage - Search tag in class zeroecho.core.alg.ed448.Ed448PublicKeySpec

Section

Usage - Search tag in class zeroecho.core.alg.ed448.Ed448SignatureContext

Section

Usage - Search tag in class zeroecho.core.alg.elgamal.ElgamalEncSpec

Section

Usage - Search tag in class zeroecho.core.alg.elgamal.ElgamalKeyGenSpec

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Usage - Search tag in class zeroecho.core.alg.elgamal.ElgamalParamSpec

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Usage - Search tag in class zeroecho.core.alg.elgamal.ElgamalPrivateKeySpec

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Usage - Search tag in class zeroecho.core.alg.elgamal.ElgamalPublicKeySpec

Section

Usage - Search tag in class zeroecho.core.alg.frodo.FrodoPrivateKeySpec

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Usage - Search tag in class zeroecho.core.alg.frodo.FrodoPublicKeySpec

Section

Usage - Search tag in class zeroecho.core.alg.hmac.HmacKeyGenSpec

Section

Usage - Search tag in class zeroecho.core.alg.hmac.HmacSpec

Section

Usage - Search tag in class zeroecho.core.alg.hqc.HqcKeyGenSpec

Section

Usage - Search tag in class zeroecho.core.alg.kyber.KyberKeyGenSpec

Section

Usage - Search tag in class zeroecho.core.alg.kyber.KyberPrivateKeySpec

Section

Usage - Search tag in class zeroecho.core.alg.kyber.KyberPublicKeySpec

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Usage - Search tag in class zeroecho.core.alg.ntru.NtruAlgorithm

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Usage - Search tag in class zeroecho.core.alg.ntru.NtruKemContext

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Usage - Search tag in class zeroecho.core.alg.ntru.NtruKeyGenSpec

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Usage - Search tag in class zeroecho.core.alg.ntru.NtruPrivateKeySpec

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Usage - Search tag in class zeroecho.core.alg.ntru.NtruPublicKeySpec

Section

Usage - Search tag in class zeroecho.core.alg.ntruprime.NtrulPrimeKemContext

Section

Usage - Search tag in class zeroecho.core.alg.ntruprime.NtrulPrimePrivateKeySpec

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Usage - Search tag in class zeroecho.core.alg.ntruprime.NtrulPrimePublicKeySpec

Section

Usage - Search tag in class zeroecho.core.alg.ntruprime.SntruPrimeKemContext

Section

Usage - Search tag in class zeroecho.core.alg.ntruprime.SntruPrimePrivateKeySpec

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Usage - Search tag in class zeroecho.core.alg.ntruprime.SntruPrimePublicKeySpec

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Usage - Search tag in class zeroecho.core.alg.rsa.RsaPrivateKeySpec

Section

Usage - Search tag in class zeroecho.core.alg.rsa.RsaPublicKeySpec

Section

Usage - Search tag in class zeroecho.core.alg.rsa.RsaSignatureContext

Section

Usage - Search tag in class zeroecho.core.alg.xdh.XdhPrivateKeySpec

Section

Usage - Search tag in class zeroecho.core.alg.xdh.XdhPublicKeySpec

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Usage - Search tag in class zeroecho.core.marshal.PairSeq

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Usage - Search tag in class zeroecho.core.tag.TagEngineBuilder

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Usage - Search tag in class zeroecho.logging.ClasspathJulConfig

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Usage - Search tag in class zeroecho.sdk.builders.alg.KemDataContentBuilder

Section

Usage - Search tag in class zeroecho.sdk.integrations.stegano.LSBSteganographyMethod

Section

Usage - Search tag in class zeroecho.sdk.io.SignatureTrailerInputStream

Section

Usage - Search tag in enum class zeroecho.core.alg.ecdh.EcdhCurveSpec

Section

Usage - Search tag in enum class zeroecho.core.alg.ecdsa.EcdsaCurveSpec

Section

Usage - Search tag in enum class zeroecho.core.alg.xdh.XdhSpec

Section

Usage - Search tag in enum class zeroecho.core.spec.VoidSpec

Section

Usage - Search tag in interface zeroecho.core.audit.AuditListener

Section

Usage - Search tag in interface zeroecho.core.context.DigestContext

Section

Usage - Search tag in interface zeroecho.core.context.MacContext

Section

Usage - Search tag in interface zeroecho.core.context.SignatureContext

Section

Usage - Search tag in interface zeroecho.core.spec.AlgorithmKeySpec

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Usage - Search tag in interface zeroecho.core.spi.ContextConstructorKS

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Usage - Search tag in interface zeroecho.sdk.guard.UnlockMaterial

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Usage - Search tag in package zeroecho.sdk.content.api

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Usage - Search tag in record class zeroecho.core.CryptoAlgorithm.SymBuilderInfo

Section

Usage - Search tag in record class zeroecho.core.storage.KeyringStore.PrivateWithId

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Usage - Search tag in record class zeroecho.core.storage.KeyringStore.PublicWithId

Section

Usage - Search tag in record class zeroecho.core.storage.KeyringStore.SecretWithId

Section

Usage and semantics - Search tag in exception class zeroecho.core.err.ProviderFailureException

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Usage example - Search tag in class zeroecho.core.alg.dh.DhAlgorithm

Section

Usage example - Search tag in class zeroecho.core.alg.digest.DigestSpec

Section

Usage example - Search tag in class zeroecho.core.alg.digest.Sha2Sha3Algorithm

Section

Usage example - Search tag in class zeroecho.core.alg.ed25519.Ed25519KeyGenBuilder

Section

Usage example - Search tag in class zeroecho.core.alg.ed25519.Ed25519KeyGenSpec

Section

Usage example - Search tag in class zeroecho.core.alg.ed25519.Ed25519PrivateKeyBuilder

Section

Usage example - Search tag in class zeroecho.core.alg.ed25519.Ed25519PrivateKeySpec

Section

Usage example - Search tag in class zeroecho.core.alg.ed25519.Ed25519PublicKeyBuilder

Section

Usage example - Search tag in class zeroecho.core.alg.ed25519.Ed25519PublicKeySpec

Section

Usage example - Search tag in class zeroecho.core.alg.hmac.HmacAlgorithm

Section

Usage example - Search tag in class zeroecho.core.alg.hmac.HmacMacContext

Section

Usage example - Search tag in class zeroecho.core.alg.hqc.HqcAlgorithm

Section

Usage example - Search tag in class zeroecho.core.alg.hqc.HqcPrivateKeySpec

Section

Usage example - Search tag in class zeroecho.core.alg.hqc.HqcPublicKeySpec

Section

Usage example - Search tag in class zeroecho.core.alg.rsa.RsaKeyGenSpec

Section

Usage example - Search tag in class zeroecho.core.alg.saber.SaberKemContext

Section

Usage example - Search tag in class zeroecho.core.alg.saber.SaberKeyGenSpec

Section

Usage example - Search tag in class zeroecho.core.alg.saber.SaberPrivateKeySpec

Section

Usage example - Search tag in class zeroecho.core.alg.saber.SaberPublicKeySpec

Section

Usage example - Search tag in class zeroecho.core.audit.AuditedContexts

Section

Usage example - Search tag in class zeroecho.sdk.builders.alg.Ed448DataContentBuilder

Section

Usage example - Search tag in package zeroecho.logging

Section

Usage example - Search tag in record class zeroecho.core.alg.chacha.ChaChaKeyGenSpec

Section

Usage examples - Search tag in class zeroecho.core.alg.kyber.KyberAlgorithm

Section

Usage examples - Search tag in class zeroecho.core.alg.kyber.KyberKemContext

Section

Usage examples - Search tag in class zeroecho.sdk.builders.alg.ChaChaDataContentBuilder

Section

Usage examples - Search tag in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Section

Usage guidelines - Search tag in interface zeroecho.core.spi.AsymmetricKeyBuilder

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Usage guidelines - Search tag in interface zeroecho.core.spi.SymmetricKeyBuilder

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Usage notes - Search tag in package zeroecho.core.annotation

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Usage notes - Search tag in package zeroecho.core.err

Section

Usage pattern - Search tag in package zeroecho.sdk.builders.alg

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Usage sketch - Search tag in package zeroecho.core.alg.common.sig

Section

Use cases and extensions - Search tag in package zeroecho.sdk.integrations.covert.jpeg

Section

Util - Class in zeroecho.core.io

Utility class for performing efficient I/O operations with support for packed integers.

V

valAt(int) - Method in class zeroecho.core.marshal.PairSeq

Returns the value at the given index.

validate() - Method in class zeroecho.core.CryptoCatalog

Verifies that each algorithm in this catalog exposes at least one capability or key builder.

validate(String, KeyUsage, K, S) - Method in interface zeroecho.core.policy.CryptoPolicy

Validates an algorithm identifier, role, key, and spec.

Validation - Search tag in record class zeroecho.core.alg.chacha.ChaChaKeyGenSpec

Section

Validation - Search tag in zeroecho.core.alg.AbstractCryptoAlgorithm.capability(AlgorithmFamily, KeyUsage, Class<C>, Class<K>, Class<S>, ContextConstructorKS<C, K, S>, Supplier<? extends S>)

Section

Validation rules - Search tag in class zeroecho.core.alg.elgamal.ElgamalKeyGenSpec

Section

value() - Element in annotation interface zeroecho.core.annotation.DisplayName

Returns the human-friendly display name.

value() - Method in class zeroecho.core.marshal.PairSeq.Cursor

Returns the current value.

value(String) - Method in class zeroecho.sdk.builders.core.PlainStringBuilder.DefaultPlainStringBuilder

value(String) - Method in interface zeroecho.sdk.builders.core.PlainStringBuilder

Sets the string value that the PlainString instance will contain.

valueOf(String) - Static method in enum class zeroecho.core.alg.aes.AesSpec.Mode

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.aes.AesSpec.Padding

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.bike.BikeKeyGenSpec.Variant

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.cmce.CmceKeyGenSpec.Variant

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.common.agreement.KemMessageAgreementAdapter.Role

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.digest.DigestSpec.Algorithm

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.ecdh.EcdhCurveSpec

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.ecdsa.EcdsaCurveSpec

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.elgamal.ElgamalEncSpec.Padding

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.frodo.FrodoKeyGenSpec.Variant

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.hqc.HqcKeyGenSpec.Variant

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.kyber.KyberKeyGenSpec.Variant

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.ntru.NtruKeyGenSpec.Variant

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.ntruprime.NtrulPrimeKeyGenSpec.Variant

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.ntruprime.SntruPrimeKeyGenSpec.Variant

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.rsa.RsaEncSpec.Hash

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.rsa.RsaEncSpec.Padding

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.rsa.RsaSigSpec.Hash

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.rsa.RsaSigSpec.Mode

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.saber.SaberKeyGenSpec.Variant

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec.Hash

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec.Mode

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec.Security

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec.Variant

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.alg.xdh.XdhSpec

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.AlgorithmFamily

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.CryptoAlgorithms.AuditMode

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.KeyUsage

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.spec.VoidSpec

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.core.storage.KeyringStore.Record.Kind

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder.Mode

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.sdk.builders.alg.HmacDataContentBuilder.Mode

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder.Mode

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.sdk.content.api.ExportableDataContent.ExportMode

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.sdk.integrations.covert.jpeg.Slot.SlotGroup

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class zeroecho.sdk.integrations.stegano.ImageFormat

Returns the enum constant of this class with the specified name.

values() - Static method in enum class zeroecho.core.alg.aes.AesSpec.Mode

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.aes.AesSpec.Padding

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.bike.BikeKeyGenSpec.Variant

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.cmce.CmceKeyGenSpec.Variant

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.common.agreement.KemMessageAgreementAdapter.Role

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.digest.DigestSpec.Algorithm

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.ecdh.EcdhCurveSpec

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.ecdsa.EcdsaCurveSpec

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.elgamal.ElgamalEncSpec.Padding

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.frodo.FrodoKeyGenSpec.Variant

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.hqc.HqcKeyGenSpec.Variant

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.kyber.KyberKeyGenSpec.Variant

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.ntru.NtruKeyGenSpec.Variant

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.ntruprime.NtrulPrimeKeyGenSpec.Variant

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.ntruprime.SntruPrimeKeyGenSpec.Variant

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.rsa.RsaEncSpec.Hash

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.rsa.RsaEncSpec.Padding

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.rsa.RsaSigSpec.Hash

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.rsa.RsaSigSpec.Mode

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.saber.SaberKeyGenSpec.Variant

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec.Hash

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec.Mode

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec.Security

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec.Variant

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.alg.xdh.XdhSpec

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.AlgorithmFamily

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.CryptoAlgorithms.AuditMode

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.KeyUsage

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.spec.VoidSpec

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.core.storage.KeyringStore.Record.Kind

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder.Mode

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.sdk.builders.alg.HmacDataContentBuilder.Mode

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder.Mode

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.sdk.content.api.ExportableDataContent.ExportMode

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.sdk.integrations.covert.jpeg.Slot.SlotGroup

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class zeroecho.sdk.integrations.stegano.ImageFormat

Returns an array containing the constants of this enum class, in the order they are declared.

variant() - Method in class zeroecho.core.alg.bike.BikeKeyGenSpec

Returns the BIKE variant.

variant() - Method in class zeroecho.core.alg.cmce.CmceKeyGenSpec

Returns the selected variant for this specification.

variant() - Method in class zeroecho.core.alg.frodo.FrodoKeyGenSpec

Returns the Frodo variant.

variant() - Method in class zeroecho.core.alg.hqc.HqcKeyGenSpec

Returns the selected HQC variant.

variant() - Method in class zeroecho.core.alg.kyber.KyberKeyGenSpec

Returns the variant associated with this specification.

variant() - Method in class zeroecho.core.alg.ntru.NtruKeyGenSpec

Returns the selected NTRU parameter variant.

variant() - Method in class zeroecho.core.alg.ntruprime.NtrulPrimeKeyGenSpec

Returns the selected variant for this specification.

variant() - Method in class zeroecho.core.alg.ntruprime.SntruPrimeKeyGenSpec

Returns the selected variant for this specification.

variant() - Method in class zeroecho.core.alg.saber.SaberKeyGenSpec

Returns the variant this spec represents.

variant() - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec

Returns the variant of this specification.

Variants - Search tag in class zeroecho.core.alg.frodo.FrodoKeyGenSpec

Section

Variants - Search tag in class zeroecho.core.alg.hqc.HqcKeyGenSpec

Section

Variants - Search tag in class zeroecho.core.alg.ntruprime.NtrulPrimeKeyGenSpec

Section

Variants - Search tag in class zeroecho.core.alg.ntruprime.SntruPrimeKeyGenSpec

Section

Variants - Search tag in class zeroecho.core.alg.saber.SaberKeyGenSpec

Section

Variants - Search tag in class zeroecho.sdk.builders.alg.ChaChaDataContentBuilder

Section

Verification approach - Search tag in class zeroecho.core.alg.digest.JcaDigestContext

Section

Verification approach - Search tag in class zeroecho.core.alg.hmac.HmacMacContext

Section

Verification approach - Search tag in package zeroecho.core.alg.common.sig

Section

Verification approaches - Search tag in interface zeroecho.core.tag.TagEngine

Section

Verification behavior - Search tag in class zeroecho.sdk.builders.TagTrailerDataContentBuilder

Section

VerificationBiPredicate() - Constructor for class zeroecho.core.tag.ThrowingBiPredicate.VerificationBiPredicate

VerificationException - Exception Class in zeroecho.core.err

Exception thrown when a cryptographic signature or digest verification fails.

VerificationException(byte[]) - Constructor for exception class zeroecho.core.err.VerificationException

Creates a new exception with only the calculated value.

VerificationException(byte[], byte[]) - Constructor for exception class zeroecho.core.err.VerificationException

Creates a new exception with both expected and calculated values.

VerificationException(SignatureException, byte[]) - Constructor for exception class zeroecho.core.err.VerificationException

Creates a new exception that wraps a lower-level SignatureException.

Verification pipeline (detached) - Search tag in class zeroecho.core.alg.sphincsplus.SphincsPlusSignatureContext

Section

verify() - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Switches the builder to verify mode.

verify() - Method in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Switches the builder to VERIFY mode.

verify() - Method in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Switches the builder to verify mode.

verify(byte[], byte[]) - Method in class zeroecho.core.tag.ByteVerificationStrategy

Verifies that two byte arrays are equal using a constant-time comparison.

verify(Signature, byte[]) - Method in class zeroecho.core.tag.SignatureVerificationStrategy

Verifies that the provided Signature object validates the given bytes.

verify(T, byte[]) - Method in class zeroecho.core.tag.ThrowingBiPredicate.FlagOkInCtx

Verifies that s matches b, records the outcome, and returns it.

verify(T, byte[]) - Method in class zeroecho.core.tag.ThrowingBiPredicate.ThrowOnMismatch

Verifies that t matches u; throws on mismatch.

verify(T, byte[]) - Method in class zeroecho.core.tag.ThrowingBiPredicate.VerificationBiPredicate

Verifies that t matches u according to the implementation contract.

verify(T, U) - Method in interface zeroecho.core.tag.ThrowingBiPredicate

Evaluates this predicate on the given arguments.

Verify - Search tag in package zeroecho.core.alg.common.sig

Section

VERIFY - Enum constant in enum class zeroecho.core.KeyUsage

Verify digital signatures.

VERIFY - Enum constant in enum class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder.Mode

Verify mode checks an expected signature using a public key.

VERIFY - Enum constant in enum class zeroecho.sdk.builders.alg.HmacDataContentBuilder.Mode

Verify an expected HMAC tag against the input stream.

VERIFY - Enum constant in enum class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder.Mode

Verify mode checks an RSA signature against the input stream.

Verify a detached MAC - Search tag in interface zeroecho.core.context.MacContext

Section

Verify a detached RSA signature - Search tag in class zeroecho.core.alg.rsa.RsaSignatureContext

Section

Verify a detached signature and throw on mismatch - Search tag in interface zeroecho.core.context.SignatureContext

Section

Verify a detached signature and throw on mismatch - Search tag in package zeroecho.core.tag

Section

Verify detached RSA signature - Search tag in class zeroecho.core.alg.common.sig.GenericJcaSignatureContext

Section

Verify with explicit strategy - Search tag in class zeroecho.core.alg.hmac.HmacMacContext

Section

VoidSpec - Enum Class in zeroecho.core.spec

Context specification for algorithms that require no additional parameters.

W

warnLevel(Level) - Method in class zeroecho.core.audit.JulAuditListenerStd.Builder

Sets the level for warnings and verification failures.

What is audited - Search tag in class zeroecho.core.audit.AuditedContexts

Section

What is here - Search tag in package zeroecho.sdk.builders.core

Section

What lives where - Search tag in package zeroecho.sdk.builders

Section

What this builder does - Search tag in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Section

When it is thrown - Search tag in exception class zeroecho.core.err.UnsupportedRoleException

Section

Why a single interface for both key pair generation and key import - Search tag in package zeroecho.core.spi

Section

withAad(byte[]) - Method in class zeroecho.sdk.builders.alg.AesDataContentBuilder

Supplies Additional Authenticated Data (GCM).

withAad(byte[]) - Method in class zeroecho.sdk.builders.alg.ChaChaDataContentBuilder

Sets additional authenticated data for ChaCha20-Poly1305.

withAes(AesDataContentBuilder) - Method in class zeroecho.sdk.builders.alg.KemDataContentBuilder

Selects AES as the payload cipher and supplies a configured AesDataContentBuilder that will receive the derived key.

withAes(AesDataContentBuilder) - Method in class zeroecho.sdk.guard.MultiRecipientDataSourceBuilder

Selects AES payload processing by installing an AES data content builder.

withBufferedBlocks(int) - Method in class zeroecho.core.io.CipherTransformInputStreamBuilder

Sets the number of blocks buffered per internal fill cycle.

withChaCha(ChaChaDataContentBuilder) - Method in class zeroecho.sdk.builders.alg.KemDataContentBuilder

Selects ChaCha20/ChaCha20-Poly1305 as the payload cipher and supplies a configured ChaChaDataContentBuilder that will receive the derived key.

withChaCha(ChaChaDataContentBuilder) - Method in class zeroecho.sdk.guard.MultiRecipientDataSourceBuilder

Selects ChaCha20-Poly1305 payload processing by installing a ChaCha data content builder.

withCipher(Cipher) - Method in class zeroecho.core.io.CipherTransformInputStreamBuilder

Sets the Cipher used to transform blocks.

withCounter(int) - Method in class zeroecho.sdk.builders.alg.ChaChaDataContentBuilder

Sets an explicit counter override to be propagated through the context.

withCurve(EcdsaCurveSpec) - Method in class zeroecho.sdk.builders.alg.EcdsaDataContentBuilder

Selects the curve to be used for key generation and signature processing.

withCurveP256() - Method in class zeroecho.sdk.builders.alg.EcdsaDataContentBuilder

Selects the P-256 curve.

withCurveP384() - Method in class zeroecho.sdk.builders.alg.EcdsaDataContentBuilder

Selects the P-384 curve.

withCurveP512() - Method in class zeroecho.sdk.builders.alg.EcdsaDataContentBuilder

Selects the P-512 curve as defined by EcdsaCurveSpec.

withExplicitParamConstant(String) - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusKeyGenSpec

Returns a copy of this specification with an explicit Bouncy Castle parameter constant override.

withFinalizationOutputChunks(int) - Method in class zeroecho.core.io.CipherTransformInputStreamBuilder

Sets the number of extra output chunks reserved for the finalization step.

withHeader() - Method in class zeroecho.sdk.builders.alg.AesDataContentBuilder

Convenience for AesDataContentBuilder.withHeaderCodec(SymmetricHeaderCodec) using AesHeaderCodec.

withHeader() - Method in class zeroecho.sdk.builders.alg.ChaChaDataContentBuilder

Requests that a header be emitted (on encrypt) or parsed (on decrypt).

withHeader(SymmetricHeaderCodec) - Static method in class zeroecho.core.alg.chacha.ChaCha20Poly1305Spec

Convenience factory that returns a spec with the provided header codec.

withHeaderCodec(SymmetricHeaderCodec) - Method in class zeroecho.sdk.builders.alg.AesDataContentBuilder

Installs a specific header codec into the spec so IV/tagBits/AAD hash can be persisted in‑band.

withHeaderCodec(SymmetricHeaderCodec) - Method in class zeroecho.sdk.builders.alg.ChaChaDataContentBuilder

Sets a custom header codec to emit or parse algorithm headers.

withInputBlockSize(int) - Method in class zeroecho.core.io.CipherTransformInputStreamBuilder

Sets the size of a single input block fed to the cipher.

withIv(byte[]) - Method in class zeroecho.sdk.builders.alg.AesDataContentBuilder

Supplies an explicit IV/nonce.

withKey(SecretKey) - Method in class zeroecho.sdk.builders.alg.AesDataContentBuilder

Sets the key to use.

withKey(SecretKey) - Method in class zeroecho.sdk.builders.alg.ChaChaDataContentBuilder

Sets an explicit secret key to use for encryption or decryption.

withKey(SecretKey) - Method in class zeroecho.sdk.builders.alg.HmacDataContentBuilder

Supplies an explicit secret key for the HMAC operation.

withKeyGenSpec(SphincsPlusKeyGenSpec) - Method in class zeroecho.sdk.builders.alg.SphincsPlusDataContentBuilder

Sets a custom key generation specification to be used for SPHINCS+ key pair generation.

withLabel(byte[]) - Method in class zeroecho.core.alg.rsa.RsaEncSpec

Returns a copy of this spec with the given OAEP label.

withLabelUtf8(String) - Method in class zeroecho.core.alg.rsa.RsaEncSpec

Returns a copy of this spec with the given UTF-8 OAEP label.

withLeftZeroPadding(boolean) - Method in class zeroecho.core.io.CipherTransformInputStreamBuilder

Configures whether left zero padding is applied to each output block.

withNonce(byte[]) - Method in class zeroecho.sdk.builders.alg.ChaChaDataContentBuilder

Sets an optional nonce value.

withOutputBlockSize(int) - Method in class zeroecho.core.io.CipherTransformInputStreamBuilder

Sets the size of a single output block expected from the cipher.

withPrivateKey(PrivateKey) - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Sets the private key to be used in sign mode.

withPrivateKey(PrivateKey) - Method in class zeroecho.sdk.builders.alg.ElgamalEncDataContentBuilder

Supplies the private key to use for decryption.

withPrivateKey(PrivateKey) - Method in class zeroecho.sdk.builders.alg.RsaEncDataContentBuilder

Supplies the private key to use for decryption.

withPrivateKey(PrivateKey) - Method in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Supplies the private key to use for signing.

withPublicKey(PublicKey) - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Sets the public key to be used in verify mode.

withPublicKey(PublicKey) - Method in class zeroecho.sdk.builders.alg.ElgamalEncDataContentBuilder

Supplies the public key to use for encryption.

withPublicKey(PublicKey) - Method in class zeroecho.sdk.builders.alg.RsaEncDataContentBuilder

Supplies the public key to use for encryption.

withPublicKey(PublicKey) - Method in class zeroecho.sdk.builders.alg.RsaSigDataContentBuilder

Supplies the public key to use for verification.

withStrategy(SignatureVerificationStrategy) - Method in class zeroecho.sdk.builders.alg.AbstractStreamingSignatureDataBuilder

Sets a custom verification approach to be applied by verify-mode pipelines.

withUpdateStreaming() - Method in class zeroecho.core.io.CipherTransformInputStreamBuilder

Enables update-driven streaming (Cipher.update during transform, single doFinal at EOF).

withUpdateStreaming(boolean) - Method in class zeroecho.core.io.CipherTransformInputStreamBuilder

Controls update-driven streaming explicitly.

withUpstream(InputStream) - Method in class zeroecho.core.io.CipherTransformInputStreamBuilder

Sets the upstream source from which bytes will be read and transformed.

wrap(InputStream) - Method in class zeroecho.core.alg.common.eddsa.CommonEdDSASignatureContext

Wraps an upstream InputStream so that all data read from it is processed by the underlying signature engine.

wrap(InputStream) - Method in class zeroecho.core.alg.common.sig.GenericJcaSignatureContext

Wraps the supplied upstream stream so the underlying Signature is updated as data flows.

wrap(InputStream) - Method in class zeroecho.core.alg.digest.JcaDigestContext

Wraps an upstream InputStream in a digesting pipeline stage.

wrap(InputStream) - Method in class zeroecho.core.alg.hmac.HmacMacContext

Wraps an upstream input stream with HMAC computation.

wrap(InputStream) - Method in class zeroecho.core.alg.rsa.RsaSignatureContext

Wraps an upstream stream and returns a passthrough stream that performs signing or verification.

wrap(InputStream) - Method in class zeroecho.core.alg.sphincsplus.SphincsPlusSignatureContext

Wraps an input stream to produce or verify a SPHINCS+ signature as data is consumed.

wrap(InputStream) - Method in interface zeroecho.core.tag.TagEngine

Wraps the given upstream stream with a filtering stream that both passes bytes through and updates the tag engine state.

wrap(CryptoContext, AuditListener, KeyUsage) - Static method in class zeroecho.core.audit.AuditedContexts

Wraps a crypto context with an auditing proxy that emits lifecycle, progress, and error events while preserving the original behavior.

WRAP - Enum constant in enum class zeroecho.core.CryptoAlgorithms.AuditMode

Wraps supported contexts in dynamic proxies that emit stream-level auditing.

write(byte[]) - Method in class zeroecho.sdk.util.Pack7LStreamWriter

Writes the given data to the internal buffer or to the output stream once the length prefix has been fully decoded.

write(byte[], int, int) - Method in class zeroecho.sdk.util.Pack7LStreamWriter

Processes a chunk of input data starting at the specified offset and up to the specified length.

write(OutputStream, byte[]) - Static method in class zeroecho.core.io.Util

Writes a byte array to the output stream with its length encoded as a packed 7-bit integer.

write(OutputStream, UUID) - Static method in class zeroecho.core.io.Util

Writes a UUID to the output stream as two big-endian long values.

writeHeader(OutputStream, CryptoAlgorithm, CtxInterface) - Method in class zeroecho.core.alg.aes.AesHeaderCodec

Writes the header to out using values from the provided context.

writeHeader(OutputStream, CryptoAlgorithm, CtxInterface) - Method in class zeroecho.core.alg.chacha.ChaCha20Poly1305HeaderCodec

Writes the ChaCha20-Poly1305 header to the provided stream.

writeHeader(OutputStream, CryptoAlgorithm, CtxInterface) - Method in class zeroecho.core.alg.chacha.ChaChaHeaderCodec

Writes the ChaCha20 header to the provided output.

writeHeader(OutputStream, CryptoAlgorithm, CtxInterface) - Method in interface zeroecho.core.SymmetricHeaderCodec

Write header to out, using/recording params from ctx.

writeLong(OutputStream, long) - Static method in class zeroecho.core.io.Util

Writes a long value to the output stream in big-endian order (8 bytes).

writePack7I(OutputStream, int) - Static method in class zeroecho.core.io.Util

Writes an integer to the output stream using packed 7-bit encoding (variable length).

writePack7L(OutputStream, long) - Static method in class zeroecho.core.io.Util

Writes a long value to the output stream using packed 7-bit encoding (variable length).

writeTo(Appendable) - Method in class zeroecho.core.marshal.PairSeq

Appends all pairs to the target as key=value lines.

writeUTF8(OutputStream, String) - Static method in class zeroecho.core.io.Util

Writes a UTF-8 encoded string to the output stream with its length as a packed 7-bit integer.

X

X25519 - Enum constant in enum class zeroecho.core.alg.xdh.XdhSpec

X25519 Diffie-Hellman over Curve25519.

X448 - Enum constant in enum class zeroecho.core.alg.xdh.XdhSpec

X448 Diffie-Hellman over Curve448.

x509() - Method in class zeroecho.core.alg.bike.BikePublicKeySpec

Returns a defensive copy of the X.509 encoded key.

x509() - Method in class zeroecho.core.alg.cmce.CmcePublicKeySpec

Returns a defensive copy of the X.509 bytes.

x509() - Method in class zeroecho.core.alg.frodo.FrodoPublicKeySpec

Returns a clone of the underlying X.509 encoding.

x509() - Method in class zeroecho.core.alg.hqc.HqcPublicKeySpec

Returns a defensive copy of the X.509-encoded key material.

x509() - Method in class zeroecho.core.alg.kyber.KyberPublicKeySpec

Returns a defensive copy of the X.509-encoded public key.

x509() - Method in class zeroecho.core.alg.ntru.NtruPublicKeySpec

Returns a copy of the X.509-encoded public key.

x509() - Method in class zeroecho.core.alg.ntruprime.NtrulPrimePublicKeySpec

Returns a clone of the X.509-encoded public key bytes.

x509() - Method in class zeroecho.core.alg.ntruprime.SntruPrimePublicKeySpec

Returns a clone of the X.509-encoded public key bytes.

x509() - Method in class zeroecho.core.alg.saber.SaberPublicKeySpec

Returns a defensive copy of the X.509-encoded public key.

X509Support - Class in zeroecho.sdk.util

Utility class providing support for working with X.509 certificates, private keys, and certification requests using PEM-encoded files and the Bouncy Castle library.

XdhAlgorithm - Class in zeroecho.core.alg.xdh

Algorithm definition for XDH (elliptic curve Diffie-Hellman) key agreement, backed by the JCA KeyAgreement API.

XdhAlgorithm() - Constructor for class zeroecho.core.alg.xdh.XdhAlgorithm

Creates a new XDH algorithm registration.

XdhKeyGenBuilder - Class in zeroecho.core.alg.xdh

KeyPair generator for XDH curves using the JCA KeyPairGenerator SPI.

XdhKeyGenBuilder() - Constructor for class zeroecho.core.alg.xdh.XdhKeyGenBuilder

XdhPrivateKeySpec - Class in zeroecho.core.alg.xdh

Key specification for an XDH (elliptic curve Diffie-Hellman) private key.

XdhPrivateKeySpec(byte[]) - Constructor for class zeroecho.core.alg.xdh.XdhPrivateKeySpec

Constructs a new specification from the given PKCS#8-encoded private key.

XdhPublicKeySpec - Class in zeroecho.core.alg.xdh

Key specification for an XDH (elliptic curve Diffie-Hellman) public key.

XdhPublicKeySpec(byte[]) - Constructor for class zeroecho.core.alg.xdh.XdhPublicKeySpec

Constructs a new specification from the given X.509-encoded public key.

XdhSpec - Enum Class in zeroecho.core.alg.xdh

Specification for X25519 and X448 Diffie-Hellman over Montgomery-form elliptic curves.

Z

zeroecho.core - package zeroecho.core

Core cryptography engine and registry for ZeroEcho.

zeroecho.core.alg - package zeroecho.core.alg

Concrete cryptographic algorithms and small helpers used by algorithms.

zeroecho.core.alg.aes - package zeroecho.core.alg.aes

AES algorithm implementation and runtime wiring.

zeroecho.core.alg.bike - package zeroecho.core.alg.bike

BIKE post-quantum key encapsulation and related utilities.

zeroecho.core.alg.chacha - package zeroecho.core.alg.chacha

ChaCha algorithm implementation and runtime wiring.

zeroecho.core.alg.cmce - package zeroecho.core.alg.cmce

Classic McEliece (CMCE) KEM integration and utilities.

zeroecho.core.alg.common.agreement - package zeroecho.core.alg.common.agreement

Adapters and generic contexts for key agreement built on the core SPI.

zeroecho.core.alg.common.eddsa - package zeroecho.core.alg.common.eddsa

EdDSA (Edwards-curve Digital Signature Algorithm) key builders and contexts.

zeroecho.core.alg.common.sig - package zeroecho.core.alg.common.sig

Streaming signature contexts and helpers that adapt JCA Signature to a pull-based pipeline.

zeroecho.core.alg.dh - package zeroecho.core.alg.dh

Diffie-Hellman (DH) algorithm integration.

zeroecho.core.alg.digest - package zeroecho.core.alg.digest

Digest algorithms (SHA-2, SHA-3, SHAKE) and their streaming contexts.

zeroecho.core.alg.ecdh - package zeroecho.core.alg.ecdh

Elliptic Curve Diffie-Hellman (ECDH) key agreement integration.

zeroecho.core.alg.ecdsa - package zeroecho.core.alg.ecdsa

Elliptic Curve Digital Signature Algorithm (ECDSA) integration.

zeroecho.core.alg.ed25519 - package zeroecho.core.alg.ed25519

Ed25519 digital signature integration.

zeroecho.core.alg.ed448 - package zeroecho.core.alg.ed448

Ed448 digital signature integration.

zeroecho.core.alg.elgamal - package zeroecho.core.alg.elgamal

ElGamal asymmetric encryption integration.

zeroecho.core.alg.frodo - package zeroecho.core.alg.frodo

FrodoKEM post-quantum key encapsulation integration.

zeroecho.core.alg.hmac - package zeroecho.core.alg.hmac

HMAC algorithms, streaming MAC contexts, and key specifications.

zeroecho.core.alg.hqc - package zeroecho.core.alg.hqc

HQC post-quantum key encapsulation integration.

zeroecho.core.alg.kyber - package zeroecho.core.alg.kyber

Kyber (ML-KEM) post-quantum key encapsulation integration.

zeroecho.core.alg.ntru - package zeroecho.core.alg.ntru

NTRU post-quantum key encapsulation integration.

zeroecho.core.alg.ntruprime - package zeroecho.core.alg.ntruprime

NTRU Prime family key encapsulation mechanisms and related utilities.

zeroecho.core.alg.rsa - package zeroecho.core.alg.rsa

RSA encryption and signature integration.

zeroecho.core.alg.saber - package zeroecho.core.alg.saber

SABER post-quantum key encapsulation integration.

zeroecho.core.alg.sphincsplus - package zeroecho.core.alg.sphincsplus

SPHINCS+ post-quantum signature integration.

zeroecho.core.alg.xdh - package zeroecho.core.alg.xdh

XDH (X25519/X448) Diffie-Hellman key agreement integration.

zeroecho.core.annotation - package zeroecho.core.annotation

Provides metadata contracts and annotations for cryptographic algorithms and specifications.

zeroecho.core.audit - package zeroecho.core.audit

Auditing utilities for cryptographic contexts, including event contracts and a JUL-backed listener.

zeroecho.core.context - package zeroecho.core.context

Abstractions for cryptographic operation contexts.

zeroecho.core.err - package zeroecho.core.err

Exception types used by the core to signal configuration errors and unexpected provider failures.

zeroecho.core.io - package zeroecho.core.io

I/O helpers for block-based transforms, passthrough processing, and tail handling.

zeroecho.core.marshal - package zeroecho.core.marshal

Marshalling utilities and conventions for compact, human-readable representations.

zeroecho.core.policy - package zeroecho.core.policy

Policy enforcement for algorithms, keys, and specifications.

zeroecho.core.spec - package zeroecho.core.spec

Specifications for keys and per-operation parameters.

zeroecho.core.spi - package zeroecho.core.spi

Service Provider Interfaces (SPI) for extending ZeroEcho with custom cryptographic algorithms and key builders.

zeroecho.core.storage - package zeroecho.core.storage

Human-editable key storage persisted in a compact UTF-8 text format.

zeroecho.core.tag - package zeroecho.core.tag

Streaming tag computation and verification for digests, MACs, and digital signatures.

zeroecho.core.util - package zeroecho.core.util

General-purpose helper classes and utility routines.

zeroecho.logging - package zeroecho.logging

Provides lightweight logging utilities and configuration helpers for Java Util Logging (JUL).

zeroecho.sdk.builders - package zeroecho.sdk.builders

Builders for composing streaming data-content pipelines across core sources and algorithm-specific stages.

zeroecho.sdk.builders.alg - package zeroecho.sdk.builders.alg

Streaming cryptographic builders for symmetric encryption, signatures, MACs, digests, and KEM envelopes.

zeroecho.sdk.builders.core - package zeroecho.sdk.builders.core

Core builders for composing streaming DataContent pipelines and plain sources.

zeroecho.sdk.content.api - package zeroecho.sdk.content.api

Content abstractions for streaming data in the SDK.

zeroecho.sdk.content.builtin - package zeroecho.sdk.content.builtin

Built-in plain content sources: bytes, strings, files, and passwords.

zeroecho.sdk.content.export - package zeroecho.sdk.content.export

Export helpers and platform deployers for SDK content.

zeroecho.sdk.guard - package zeroecho.sdk.guard

Multi-recipient envelope for symmetric payloads with pluggable recipients, stateless openers, and a compact header.

zeroecho.sdk.integrations.covert - package zeroecho.sdk.integrations.covert

Helpers for generating pseudo-random cover text using character frequency tables.

zeroecho.sdk.integrations.covert.jpeg - package zeroecho.sdk.integrations.covert.jpeg

Covert data embedding and extraction using JPEG EXIF metadata.

zeroecho.sdk.integrations.stegano - package zeroecho.sdk.integrations.stegano

Steganographic integrations for ZeroEcho SDK.

zeroecho.sdk.io - package zeroecho.sdk.io

Stream utilities for SDK pipelines.

zeroecho.sdk.util - package zeroecho.sdk.util

Utility helpers for provider setup, key derivation, randomness, encoding, and X.509 handling.

ZeroEcho Library - Search tag in Overview

Section

A B C D E F G H I J K L M N O P R S T U V W X Z
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