com.maverick.ssh.components.standalone
Class Ssh1Des

java.lang.Object
  com.maverick.ssh.components.SshCipher
      com.maverick.ssh.components.standalone.Ssh1Des

public class Ssh1Des
extends SshCipher

DES cipher for SSH1.

Author:

Lee David Painter

Field Summary

Fields inherited from class com.maverick.ssh.components.SshCipher

DECRYPT_MODE, ENCRYPT_MODE

Constructor Summary

Ssh1Des()

Method Summary

void	decrypt(byte[] src, int srcOff, byte[] dest, int destOff, int len)
void	encrypt(byte[] src, int srcOff, byte[] dest, int destOff, int len)
java.lang.String	getAlgorithm()
int	getBlockSize() Get the cipher block size.
void	init(int mode, byte[] iv, byte[] keydata) Initialize the cipher with up to 40 bytes of iv and key data.
void	transform(byte[] src, int start, byte[] dest, int offset, int len) Transform the byte array according to the cipher mode; it is legal for the source and destination arrays to reference the same physical array so care should be taken in the transformation process to safeguard this rule.

Methods inherited from class com.maverick.ssh.components.SshCipher

transform

Methods inherited from class java.lang.Object

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

Constructor Detail

Ssh1Des

public Ssh1Des()

Method Detail

getBlockSize

public int getBlockSize()

Description copied from class: SshCipher

Get the cipher block size.

Specified by:

getBlockSize in class SshCipher

Returns:

the block size in bytes.

getAlgorithm

public java.lang.String getAlgorithm()

Overrides:

getAlgorithm in class SshCipher

init

public void init(int mode,
                 byte[] iv,
                 byte[] keydata)

Description copied from class: SshCipher

Initialize the cipher with up to 40 bytes of iv and key data. Each implementation should take as much data from the initialization as it needs ignoring any data that it does not require.

Specified by:

init in class SshCipher

Parameters:

mode - the mode to operate

iv - the initiaization vector

keydata - the key data

transform

public void transform(byte[] src,
                      int start,
                      byte[] dest,
                      int offset,
                      int len)
               throws java.io.IOException

Description copied from class: SshCipher

Transform the byte array according to the cipher mode; it is legal for the source and destination arrays to reference the same physical array so care should be taken in the transformation process to safeguard this rule.

Specified by:

transform in class SshCipher

Throws:

java.io.IOException

encrypt

public void encrypt(byte[] src,
                    int srcOff,
                    byte[] dest,
                    int destOff,
                    int len)
             throws java.io.IOException

Throws:

java.io.IOException

decrypt

public void decrypt(byte[] src,
                    int srcOff,
                    byte[] dest,
                    int destOff,
                    int len)
             throws java.io.IOException

Throws:

java.io.IOException