org.bouncycastle.crypto.engines
Class RFC3211WrapEngine

java.lang.Object
  org.bouncycastle.crypto.engines.RFC3211WrapEngine

All Implemented Interfaces:

Wrapper

public class RFC3211WrapEngine
extends java.lang.Object
implements Wrapper

an implementation of the RFC 3211 Key Wrap Specification.

Field Summary

private CBCBlockCipher	engine
private boolean	forWrapping
private ParametersWithIV	param
private java.security.SecureRandom	rand

Constructor Summary

RFC3211WrapEngine(BlockCipher engine)

Method Summary

java.lang.String	getAlgorithmName() Return the name of the algorithm the wrapper implements.
void	init(boolean forWrapping, CipherParameters param)
byte[]	unwrap(byte[] in, int inOff, int inLen)
byte[]	wrap(byte[] in, int inOff, int inLen)

Methods inherited from class java.lang.Object

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

Field Detail

engine

private CBCBlockCipher engine

param

private ParametersWithIV param

forWrapping

private boolean forWrapping

rand

private java.security.SecureRandom rand

Constructor Detail

RFC3211WrapEngine

public RFC3211WrapEngine(BlockCipher engine)

Method Detail

init

public void init(boolean forWrapping,
                 CipherParameters param)

Specified by:

init in interface Wrapper

getAlgorithmName

public java.lang.String getAlgorithmName()

Description copied from interface: Wrapper

Return the name of the algorithm the wrapper implements.

Specified by:

getAlgorithmName in interface Wrapper

Returns:

the name of the algorithm the wrapper implements.

wrap

public byte[] wrap(byte[] in,
                   int inOff,
                   int inLen)

Specified by:

wrap in interface Wrapper

unwrap

public byte[] unwrap(byte[] in,
                     int inOff,
                     int inLen)
              throws InvalidCipherTextException

Specified by:

unwrap in interface Wrapper

Throws:

InvalidCipherTextException