Module ibm.crypto.ibmjcehybrid

Package com.ibm.crypto.ibmjcehybrid.provider

Class DESParametersHybrid

java.lang.Object

java.security.AlgorithmParametersSpi

com.ibm.crypto.ibmjcehybrid.provider.DESParametersHybrid

public final class DESParametersHybrid
extends AlgorithmParametersSpi

This class is a facade for the parameter (IV) used with the DES cipher algorithm in feedback-mode.

Constructor Summary

Constructors

Constructor	Description
DESParametersHybrid()	Creates a new instance of the DESParametersHybrid 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

DESParametersHybrid

public DESParametersHybrid()

Creates a new instance of the DESParametersHybrid 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.