Package org.bouncycastle.crypto.engines

Class RC2WrapEngine

java.lang.Object

org.bouncycastle.crypto.engines.RC2WrapEngine

All Implemented Interfaces:

Wrapper

public class RC2WrapEngine
extends Object
implements Wrapper

Wrap keys according to RFC 3217 - RC2 mechanism

Constructor Summary

Constructors

Constructor	Description
RC2WrapEngine()

Method Summary

Modifier and Type	Method	Description
String	getAlgorithmName()	Method getAlgorithmName
void	init(boolean forWrapping, CipherParameters param)	Method init
byte[]	unwrap(byte[] in, int inOff, int inLen)	Method unwrap
byte[]	wrap(byte[] in, int inOff, int inLen)	Method wrap

Methods inherited from class java.lang.Object

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

Constructor Details

RC2WrapEngine

public RC2WrapEngine()

Method Details

init

public void init(boolean forWrapping,
 CipherParameters param)

Method init

Specified by:

init in interface Wrapper

Parameters:

forWrapping - true if for wrapping, false for unwrap.

param - parameters for wrap/unwrapping (iv required for unwrap).

getAlgorithmName

public String getAlgorithmName()

Method getAlgorithmName

Specified by:

getAlgorithmName in interface Wrapper

Returns:

the algorithm name "RC2".

wrap

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

Method wrap

Specified by:

wrap in interface Wrapper

Parameters:

in - byte array containing the key.

inOff - offset into in array that the key data starts at.

inLen - length of key data.

Returns:

the wrapped bytes.

unwrap

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

Method unwrap

Specified by:

unwrap in interface Wrapper

Parameters:

in - byte array containing the wrapped key.

inOff - offset into in array that the wrapped key starts at.

inLen - length of wrapped key data.

Returns:

the unwrapped bytes.

Throws:

InvalidCipherTextException