synergynetframework.appsystem.contentsystem.items.utils.vnc
Class DesCipher

java.lang.Object
  synergynetframework.appsystem.contentsystem.items.utils.vnc.DesCipher

public class DesCipher
extends java.lang.Object

The Class DesCipher.

Constructor Summary

DesCipher(byte[] key)
Instantiates a new des cipher.

Method Summary

void	decrypt(byte[] cipherText, int cipherOff, byte[] clearText, int clearOff) Decrypt.
void	encrypt(byte[] clearText, int clearOff, byte[] cipherText, int cipherOff) Encrypt.
void	setKey(byte[] key) Sets the key.
static void	spreadIntsToBytes(int[] inInts, int inOff, byte[] outBytes, int outOff, int intLen) Spread ints to bytes.
static void	squashBytesToInts(byte[] inBytes, int inOff, int[] outInts, int outOff, int intLen) Squash bytes to ints.

Methods inherited from class java.lang.Object

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

Constructor Detail

DesCipher

public DesCipher(byte[] key)

Instantiates a new des cipher.

Parameters:

key - the key

Method Detail

spreadIntsToBytes

public static void spreadIntsToBytes(int[] inInts,
                                     int inOff,
                                     byte[] outBytes,
                                     int outOff,
                                     int intLen)

Spread ints to bytes.

Parameters:

inInts - the in ints

inOff - the in off

outBytes - the out bytes

outOff - the out off

intLen - the int len

squashBytesToInts

public static void squashBytesToInts(byte[] inBytes,
                                     int inOff,
                                     int[] outInts,
                                     int outOff,
                                     int intLen)

Squash bytes to ints.

Parameters:

inBytes - the in bytes

inOff - the in off

outInts - the out ints

outOff - the out off

intLen - the int len

decrypt

public void decrypt(byte[] cipherText,
                    int cipherOff,
                    byte[] clearText,
                    int clearOff)

Decrypt.

Parameters:

cipherText - the cipher text

cipherOff - the cipher off

clearText - the clear text

clearOff - the clear off

encrypt

public void encrypt(byte[] clearText,
                    int clearOff,
                    byte[] cipherText,
                    int cipherOff)

Encrypt.

Parameters:

clearText - the clear text

clearOff - the clear off

cipherText - the cipher text

cipherOff - the cipher off

setKey

public void setKey(byte[] key)

Sets the key.

Parameters:

key - the new key