Uses of Enum Class
zeroecho.core.KeyUsage

Packages that use KeyUsage

Package	Description
zeroecho.core	Core cryptography engine and registry for ZeroEcho.
zeroecho.core.alg	Concrete cryptographic algorithms and small helpers used by algorithms.
zeroecho.core.audit	Auditing utilities for cryptographic contexts, including event contracts and a JUL-backed listener.
zeroecho.core.policy	Policy enforcement for algorithms, keys, and specifications.
zeroecho.sdk	Consumer-facing ZeroEcho runtime and high-level integration APIs.

Uses of KeyUsage in zeroecho.core

Subclasses with type arguments of type KeyUsage in zeroecho.core

Modifier and Type	Class	Description
enum	KeyUsage	Declares the intended purpose(s) of a cryptographic key.

Methods in zeroecho.core that return KeyUsage

Modifier and Type	Method	Description
KeyUsage	Capability.role()	Returns the value of the role record component.
static KeyUsage	KeyUsage.valueOf(String name)	Returns the enum constant of this class with the specified name.
static KeyUsage[]	KeyUsage.values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods in zeroecho.core that return types with arguments of type KeyUsage

Modifier and Type	Method	Description
final Set<KeyUsage>	CryptoAlgorithm.roles()	Returns the set of roles supported by this algorithm.

Methods in zeroecho.core with parameters of type KeyUsage

Modifier and Type	Method	Description
protected final <C extends CryptoContext, K extends Key, S extends ContextSpec> void	CryptoAlgorithm.bindContext(KeyUsage role, Class<C> ctxType, Class<K> keyType, Class<S> specType, ContextFactoryKS<C,K,S> factory, Supplier<? extends S> defaultSpec)	Binds a role to a concrete context factory and its expected key/spec types.
final <C extends CryptoContext, K extends Key, S extends ContextSpec> C	CryptoAlgorithm.createContext(KeyUsage role, K key, S spec)	Creates a new CryptoContext for the given role, key, and optional spec.
final boolean	CryptoAlgorithm.supports(KeyUsage role)	Returns whether this algorithm supports the given role.

Method parameters in zeroecho.core with type arguments of type KeyUsage

Modifier and Type	Method	Description
static List<String>	CatalogSelector.selectByFamilyAndRoles(AlgorithmFamily family, Collection<KeyUsage> requireAllRoles)	Returns algorithm ids that belong to the given family and contain all required roles.
static List<String>	CatalogSelector.selectByRoles(Collection<KeyUsage> requireAllRoles)	Returns algorithm ids that contain all the given roles, regardless of family.

Constructors in zeroecho.core with parameters of type KeyUsage

Modifier	Constructor	Description
	Capability(String algorithmId, AlgorithmFamily family, KeyUsage role, Class<? extends CryptoContext> contextType, Class<? extends Key> keyType, Class<? extends ContextSpec> specType, ContextSpec defaultSpec)	Validates the capability metadata.

Uses of KeyUsage in zeroecho.core.alg

Methods in zeroecho.core.alg with parameters of type KeyUsage

Modifier and Type	Method	Description
protected <C extends CryptoContext, K extends Key, S extends ContextSpec> void	AbstractCryptoAlgorithm.capability(AlgorithmFamily family, KeyUsage role, Class<C> ctxType, Class<K> keyType, Class<S> specType, ContextFactoryKS<C,K,S> factory, Supplier<? extends S> defaultSpec)	Declares a capability for this algorithm and binds a runtime factory for the given role.

Uses of KeyUsage in zeroecho.core.audit

Methods in zeroecho.core.audit with parameters of type KeyUsage

Modifier and Type	Method	Description
default void	AuditListener.onBytes(KeyUsage role, long count)	Legacy cumulative byte counter for any role.
void	JulAuditListenerStd.onBytes(KeyUsage role, long count)	Logs the legacy cumulative byte counter.
default void	AuditListener.onContextCreatedMeta(String ctxId, String algoId, String provider, KeyUsage role, String keyFingerprint, Map<String,Object> specMeta)	Creation event with correlation id and non-secret specification metadata.
void	JulAuditListenerStd.onContextCreatedMeta(String ctxId, String algoId, String provider, KeyUsage role, String keyFingerprint, Map<String,Object> specMeta)	Logs creation metadata with correlation id and non-secret spec attributes.
static CryptoContext	AuditedContexts.wrap(CryptoContext ctx, AuditListener audit, KeyUsage role)	Wraps a crypto context with an auditing proxy that emits lifecycle, progress, and error events while preserving the original behavior.

Uses of KeyUsage in zeroecho.core.policy

Methods in zeroecho.core.policy with parameters of type KeyUsage

Modifier and Type	Method	Description
void	CryptoPolicy.validate(String id, KeyUsage role, K key, S spec)	Validates an algorithm identifier, role, key, and spec.

Uses of KeyUsage in zeroecho.sdk

Methods in zeroecho.sdk with parameters of type KeyUsage

Modifier and Type	Method	Description
<C extends CryptoContext, K extends Key> C	ZeroEchoSession.createContext(String id, KeyUsage role, K key)	Creates a context using the selected algorithm's default specification.
<C extends CryptoContext, K extends Key, S extends ContextSpec> C	ZeroEchoSession.createContext(String id, KeyUsage role, K key, S spec)	Creates a context after applying this session's policy and audit configuration.