Class BaseCipher

public abstract class BaseCipher extends Object implements IBlockCipher, IBlockCipherSpi

A basic abstract class to facilitate implementing symmetric key block ciphers.

Version: $Revision: 1.11 $

Field Summary
protected int	currentBlockSize The current block size, in bytes.
protected Object	currentKey The session key for this instance.
protected int	defaultBlockSize The default block size, in bytes.
protected int	defaultKeySize The default key size, in bytes.
protected Object	lock The instance lock.
protected String	name The canonical name prefix of the cipher.

Constructor Summary
protected	BaseCipher(String name, int defaultBlockSize, int defaultKeySize) Trivial constructor for use by concrete subclasses.

Method Summary
abstract Object	clone()
int	currentBlockSize()
void	decryptBlock(byte[] in, int inOffset, byte[] out, int outOffset)
int	defaultBlockSize()
int	defaultKeySize()
void	encryptBlock(byte[] in, int inOffset, byte[] out, int outOffset)
void	init(Map attributes)
String	name()
void	reset()
boolean	selfTest()
protected boolean	testKat(byte[] kb, byte[] ct)
protected boolean	testKat(byte[] kb, byte[] ct, byte[] pt)

Field Detail

currentBlockSize

protected int currentBlockSize

The current block size, in bytes.

currentKey

protected transient Object currentKey

The session key for this instance.

defaultBlockSize

protected int defaultBlockSize

The default block size, in bytes.

defaultKeySize

protected int defaultKeySize

The default key size, in bytes.

lock

protected Object lock

The instance lock.

name

protected String name

The canonical name prefix of the cipher.

Constructor Detail

BaseCipher

protected BaseCipher(String name, int defaultBlockSize, int defaultKeySize)

Trivial constructor for use by concrete subclasses.

Parameters: name the canonical name prefix of this instance. defaultBlockSize the default block size in bytes. defaultKeySize the default key size in bytes.