com.ibm.crypto.fips.provider

Class DSAKeyPairGenerator

java.lang.Object

java.security.KeyPairGeneratorSpi

com.ibm.crypto.fips.provider.DSAKeyPairGenerator

All Implemented Interfaces:

AlgorithmStatus

public class DSAKeyPairGenerator
extends java.security.KeyPairGeneratorSpi
implements AlgorithmStatus

This class is a concrete implementation for the generation of a pair of DSA keys

Version:

1.0

Author:

OTI

Constructor Summary

Constructors

Constructor and Description
DSAKeyPairGenerator()

Method Summary

Methods

Modifier and Type	Method and Description
java.security.KeyPair	generateKeyPair() Answers a newly generated key pair.
void	initialize(java.security.spec.AlgorithmParameterSpec params, java.security.SecureRandom random) Initialize the receiver to use a given secure random generator, and generate keys from the provided set of parameters.
void	initialize(int keySize, java.security.SecureRandom random) Initialize the receiver to use a given secure random generator, and generate keys of a certain size.
boolean	isFipsApproved() Module identifies if the cryptographic operation (algorithm) is FIPS certified

Methods inherited from class java.lang.Object

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

Constructor Detail

DSAKeyPairGenerator

public DSAKeyPairGenerator()

Method Detail

isFipsApproved

public boolean isFipsApproved()

Description copied from interface: AlgorithmStatus

Module identifies if the cryptographic operation (algorithm) is FIPS certified

Specified by:

isFipsApproved in interface AlgorithmStatus

See Also:

AlgorithmStatus.isFipsApproved()

initialize

public void initialize(java.security.spec.AlgorithmParameterSpec params,
              java.security.SecureRandom random)
                throws java.security.InvalidAlgorithmParameterException

Initialize the receiver to use a given secure random generator, and generate keys from the provided set of parameters.

Overrides:

initialize in class java.security.KeyPairGeneratorSpi

Parameters:

params - AlgorithmParameterSpec parameters for key generation

random - SecureRandom New secure random to use

Throws:

java.security.InvalidAlgorithmParameterException

initialize

public void initialize(int keySize,
              java.security.SecureRandom random)

Initialize the receiver to use a given secure random generator, and generate keys of a certain size.

Specified by:

initialize in class java.security.KeyPairGeneratorSpi

Parameters:

keySize - int New size of keys, in bits

random - SecureRandom New secure random to use

generateKeyPair

public java.security.KeyPair generateKeyPair()

Answers a newly generated key pair.

Specified by:

generateKeyPair in class java.security.KeyPairGeneratorSpi

Returns:

a newly generated key pair.

Throws:

FIPSRuntimeException - if SelfTest.isFipsRunnable returns false.