Class KeyBuilders.Symmetric

java.lang.Object

zeroecho.sdk.KeyBuilders.Symmetric

Enclosing class:

KeyBuilders

public final class KeyBuilders.Symmetric
extends Object

Symmetric generation and import lookups.

Since:

1.0

Method Summary

Modifier and Type	Method	Description
<S extends AlgorithmKeySpec> SecretKey	generate(String algorithmId, S spec)	Generates a symmetric key using the exact runtime specification type.
<S extends AlgorithmKeySpec> SymmetricKeyGenerator<S>	generator(String algorithmId, Class<S> specType)	Resolves an exact symmetric generator.
<S extends AlgorithmKeySpec> SymmetricKeyImporter<S>	importer(String algorithmId, Class<S> specType)	Resolves an exact symmetric importer.
<S extends AlgorithmKeySpec> SecretKey	importKey(String algorithmId, S spec)	Imports a symmetric key using the exact runtime specification type.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

generator

public <S extends AlgorithmKeySpec>
SymmetricKeyGenerator<S> generator(String algorithmId,
 Class<S> specType)

Resolves an exact symmetric generator.

Type Parameters:

S - specification type

Parameters:

algorithmId - canonical algorithm identifier

specType - exact specification class

Returns:

guaranteed generator

Throws:

IllegalArgumentException - if the capability is absent

importer

public <S extends AlgorithmKeySpec>
SymmetricKeyImporter<S> importer(String algorithmId,
 Class<S> specType)

Resolves an exact symmetric importer.

Type Parameters:

S - specification type

Parameters:

algorithmId - canonical algorithm identifier

specType - exact specification class

Returns:

guaranteed importer

Throws:

IllegalArgumentException - if the capability is absent

generate

public <S extends AlgorithmKeySpec> SecretKey generate(String algorithmId,
 S spec)
                                                throws GeneralSecurityException

Generates a symmetric key using the exact runtime specification type.

Type Parameters:

S - specification type

Parameters:

algorithmId - canonical algorithm identifier

spec - generation specification

Returns:

generated secret key

Throws:

GeneralSecurityException - if generation fails

IllegalArgumentException - if the capability is absent

NullPointerException - if spec is null

importKey

public <S extends AlgorithmKeySpec> SecretKey importKey(String algorithmId,
 S spec)
                                                 throws GeneralSecurityException

Imports a symmetric key using the exact runtime specification type.

Type Parameters:

S - specification type

Parameters:

algorithmId - canonical algorithm identifier

spec - import specification

Returns:

imported secret key

Throws:

GeneralSecurityException - if import fails

IllegalArgumentException - if the capability is absent

NullPointerException - if spec is null