Module ibm.crypto.ibmjcehybrid

Package com.ibm.crypto.ibmjcehybrid.provider

Class DiffieHellmanParametersHybrid

java.lang.Object

java.security.AlgorithmParametersSpi

com.ibm.crypto.ibmjcehybrid.provider.DiffieHellmanParametersHybrid

public final class DiffieHellmanParametersHybrid
extends AlgorithmParametersSpi

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

Constructor Summary

Constructors

Constructor	Description
DiffieHellmanParametersHybrid()	Creates an instance of the DiffieHellmanParametersHybrid class.

Method Summary

Modifier and Type	Method	Description
protected byte[]	engineGetEncoded()	This method returns the algorithm parameters in encoded form.
protected byte[]	engineGetEncoded(String encodingMethod)	This method returns the algorithm parameters in encoded form.
protected <T extends AlgorithmParameterSpec> T	engineGetParameterSpec(Class<T> paramSpecClass)	This method returns the AlgorithmParameters object.
protected void	engineInit(byte[] encoded)	This method provides the settings for the AlgorithmParameters.
protected void	engineInit(byte[] encoded, String decodingMethod)	This method provides the settings for the AlgorithmParameters.
protected void	engineInit(AlgorithmParameterSpec paramSpec)	This method provides the settings for the AlgorithmParameters.
protected String	engineToString()
protected String	toString(boolean isExternalCall)	Returns a formatted string describing the parameters.

Methods inherited from class java.lang.Object

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

Constructor Details

DiffieHellmanParametersHybrid

public DiffieHellmanParametersHybrid()

Creates an instance of the DiffieHellmanParametersHybrid class.

Method Details

engineInit

protected void engineInit(AlgorithmParameterSpec paramSpec)
                   throws InvalidParameterSpecException

This method provides the settings for the AlgorithmParameters.

Specified by:

engineInit in class AlgorithmParametersSpi

Parameters:

paramSpec - The settings

Throws:

InvalidParameterSpecException

engineInit

protected void engineInit(byte[] encoded)
                   throws IOException

This method provides the settings for the AlgorithmParameters.

Specified by:

engineInit in class AlgorithmParametersSpi

Parameters:

encoded - The settings

Throws:

IOException

engineInit

protected void engineInit(byte[] encoded,
 String decodingMethod)
                   throws IOException

This method provides the settings for the AlgorithmParameters.

Specified by:

engineInit in class AlgorithmParametersSpi

Parameters:

encoded - The settings

decodingMethod - How to extract the settings

Throws:

IOException

engineGetParameterSpec

protected <T extends AlgorithmParameterSpec> T engineGetParameterSpec(Class<T> paramSpecClass)
                                                               throws InvalidParameterSpecException

This method returns the AlgorithmParameters object.

Specified by:

engineGetParameterSpec in class AlgorithmParametersSpi

Parameters:

paramSpecClass - The class of the AlgorithmParameters to return

Throws:

InvalidParameterSpecException

engineGetEncoded

protected byte[] engineGetEncoded()
                           throws IOException

This method returns the algorithm parameters in encoded form.

Specified by:

engineGetEncoded in class AlgorithmParametersSpi

Throws:

IOException

engineGetEncoded

protected byte[] engineGetEncoded(String encodingMethod)
                           throws IOException

This method returns the algorithm parameters in encoded form.

Specified by:

engineGetEncoded in class AlgorithmParametersSpi

Parameters:

encodingMethod - encoding method.

Throws:

IOException

engineToString

protected String engineToString()

Specified by:

engineToString in class AlgorithmParametersSpi

toString

protected String toString(boolean isExternalCall)

Returns a formatted string describing the parameters.

Parameters:

isExternalCall - specifies whether the call is from an external caller or from a method in this class.

Returns:

this object represented as a string.