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org.bouncycastle.pqc.jcajce.provider.xmss

public Class XMSSKeyPairGeneratorSpi

extends KeyPairGenerator
Class Inheritance
Imports
java.security.InvalidAlgorithmParameterException, .KeyPair, .SecureRandom, java.security.spec.AlgorithmParameterSpec, org.bouncycastle.asn1.ASN1ObjectIdentifier, org.bouncycastle.asn1.nist.NISTObjectIdentifiers, org.bouncycastle.crypto.AsymmetricCipherKeyPair, .CryptoServicesRegistrar, org.bouncycastle.crypto.digests.SHA256Digest, .SHA512Digest, .SHAKEDigest, org.bouncycastle.pqc.crypto.xmss.XMSSKeyGenerationParameters, .XMSSKeyPairGenerator, .XMSSParameters, .XMSSPrivateKeyParameters, .XMSSPublicKeyParameters, org.bouncycastle.pqc.jcajce.spec.XMSSParameterSpec

Field Summary

Modifier and TypeField and Description
private XMSSKeyPairGenerator
engine

private boolean
initialised

private XMSSKeyGenerationParameters
param

private SecureRandom
random

private ASN1ObjectIdentifier
treeDigest

Constructor Summary

AccessConstructor and Description
public
XMSSKeyPairGeneratorSpi()

Method Summary

Modifier and TypeMethod and Description
public KeyPair
generateKeyPair()

Overrides java.security.KeyPairGenerator.generateKeyPair.

Generates a key pair.

public void
initialize(int
the keysize. This is an algorithm-specific metric, such as modulus length, specified in number of bits.
strength, SecureRandom
the source of randomness.
random)

Overrides java.security.KeyPairGenerator.initialize.

Initializes the key pair generator for a certain keysize with the given source of randomness (and a default parameter set).

public void
initialize(AlgorithmParameterSpec
the parameter set used to generate the keys.
params, SecureRandom
the source of randomness.
random)

Overrides java.security.KeyPairGenerator.initialize.

Initializes the key pair generator with the given parameter set and source of randomness.

Inherited from java.security.KeyPairGenerator:
genKeyPairgetAlgorithmgetInstancegetInstancegetInstancegetProviderinitializeinitialize

Field Detail

engineback to summary
private XMSSKeyPairGenerator engine
initialisedback to summary
private boolean initialised
paramback to summary
private XMSSKeyGenerationParameters param
randomback to summary
private SecureRandom random
treeDigestback to summary
private ASN1ObjectIdentifier treeDigest

Constructor Detail

XMSSKeyPairGeneratorSpiback to summary
public XMSSKeyPairGeneratorSpi()

Method Detail

generateKeyPairback to summary
public KeyPair generateKeyPair()

Overrides java.security.KeyPairGenerator.generateKeyPair.

Doc from java.security.KeyPairGenerator.generateKeyPair.

Generates a key pair.

If this KeyPairGenerator has not been initialized explicitly, provider-specific defaults will be used for the size and other (algorithm-specific) values of the generated keys.

This will generate a new key pair every time it is called.

This method is functionally equivalent to genKeyPair.

Returns:KeyPair

the generated key pair

initializeback to summary
public void initialize(int strength, SecureRandom random)

Overrides java.security.KeyPairGenerator.initialize.

Doc from java.security.KeyPairGenerator.initialize.

Initializes the key pair generator for a certain keysize with the given source of randomness (and a default parameter set).

Parameters
strength:int

the keysize. This is an algorithm-specific metric, such as modulus length, specified in number of bits.

random:SecureRandom

the source of randomness.

initializeback to summary
public void initialize(AlgorithmParameterSpec params, SecureRandom random) throws InvalidAlgorithmParameterException

Overrides java.security.KeyPairGenerator.initialize.

Doc from java.security.KeyPairGenerator.initialize.

Initializes the key pair generator with the given parameter set and source of randomness.

This concrete method has been added to this previously-defined abstract class. This method calls the KeyPairGeneratorSpi initialize method, passing it params and random. That initialize method always throws an UnsupportedOperationException if it is not overridden by the provider.

Parameters
params:AlgorithmParameterSpec

the parameter set used to generate the keys.

random:SecureRandom

the source of randomness.

Exceptions
InvalidAlgorithmParameterException:
if the given parameters are inappropriate for this key pair generator.