com.ibm.crypto.fips.provider

Class DHParameters

java.lang.Object

java.security.AlgorithmParametersSpi

com.ibm.crypto.fips.provider.DHParameters

public final class DHParameters
extends java.security.AlgorithmParametersSpi

This class implements the parameter set used by the Diffie-Hellman key agreement as defined in the PKCS #3 standard.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.math.BigInteger	g
protected java.math.BigInteger	p

Constructor Summary

Constructors

Constructor and Description
DHParameters()

Method Summary

Methods

Modifier and Type	Method and Description
protected byte[]	engineGetEncoded()
protected byte[]	engineGetEncoded(java.lang.String encodingMethod)
protected java.security.spec.AlgorithmParameterSpec	engineGetParameterSpec(java.lang.Class paramSpec)
protected void	engineInit(java.security.spec.AlgorithmParameterSpec paramSpec)
protected void	engineInit(byte[] params)
protected void	engineInit(byte[] params, java.lang.String decodingMethod)
protected java.lang.String	engineToString()
protected byte[]	internalGetEncoded()
protected java.security.spec.AlgorithmParameterSpec	internalGetParameterSpec(java.lang.Class paramSpec)
protected void	internalInit(java.security.spec.AlgorithmParameterSpec paramSpec)
protected void	internalInit(byte[] params)
protected java.lang.String	internalToString()

Methods inherited from class java.lang.Object

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

Field Detail

p

protected java.math.BigInteger p

g

protected java.math.BigInteger g

Constructor Detail

DHParameters

public DHParameters()

Method Detail

engineInit

protected void engineInit(java.security.spec.AlgorithmParameterSpec paramSpec)
                   throws java.security.spec.InvalidParameterSpecException

Specified by:

engineInit in class java.security.AlgorithmParametersSpi

Throws:

java.security.spec.InvalidParameterSpecException

internalInit

protected void internalInit(java.security.spec.AlgorithmParameterSpec paramSpec)
                     throws java.security.spec.InvalidParameterSpecException

Throws:

java.security.spec.InvalidParameterSpecException

engineInit

protected void engineInit(byte[] params)
                   throws java.io.IOException

Specified by:

engineInit in class java.security.AlgorithmParametersSpi

Throws:

java.io.IOException

internalInit

protected void internalInit(byte[] params)
                     throws java.io.IOException

Throws:

java.io.IOException

engineInit

protected void engineInit(byte[] params,
              java.lang.String decodingMethod)
                   throws java.io.IOException

Specified by:

engineInit in class java.security.AlgorithmParametersSpi

Throws:

java.io.IOException

engineGetParameterSpec

protected java.security.spec.AlgorithmParameterSpec engineGetParameterSpec(java.lang.Class paramSpec)
                                                                    throws java.security.spec.InvalidParameterSpecException

Specified by:

engineGetParameterSpec in class java.security.AlgorithmParametersSpi

Throws:

java.security.spec.InvalidParameterSpecException

internalGetParameterSpec

protected java.security.spec.AlgorithmParameterSpec internalGetParameterSpec(java.lang.Class paramSpec)
                                                                      throws java.security.spec.InvalidParameterSpecException

Throws:

java.security.spec.InvalidParameterSpecException

engineGetEncoded

protected byte[] engineGetEncoded()
                           throws java.io.IOException

Specified by:

engineGetEncoded in class java.security.AlgorithmParametersSpi

Throws:

java.io.IOException

internalGetEncoded

protected byte[] internalGetEncoded()
                             throws java.io.IOException

Throws:

java.io.IOException

engineGetEncoded

protected byte[] engineGetEncoded(java.lang.String encodingMethod)
                           throws java.io.IOException

Specified by:

engineGetEncoded in class java.security.AlgorithmParametersSpi

Throws:

java.io.IOException

engineToString

protected java.lang.String engineToString()

Specified by:

engineToString in class java.security.AlgorithmParametersSpi

internalToString

protected java.lang.String internalToString()