luky.crypt
Class BlowfishCipher

java.lang.Object
  luky.crypt.BlowfishCipher

public class BlowfishCipher
extends Object

A Blowfish Ciphering object that can be used to crypt and decrypt strings Revision Changes :

• 1.00 - initial version
• 1.01 - added interface for byte arrays
• 2.00 - port to luky

Version:

2.00

Author:

Chris Lukassen

Constructor Summary

BlowfishCipher(byte[] key, Random rand)
default constructor

BlowfishCipher(String key, Random rand)
default constructor

Method Summary

byte[]	decrypt(byte[] cipherText) decrypt a byte array
String	decrypt(String input) decrypt a string
byte[]	encrypt(byte[] plainText) encrypt a byte array
String	encrypt(String input) encrypt a string

Methods inherited from class java.lang.Object

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

Constructor Detail

BlowfishCipher

public BlowfishCipher(String key,
                      Random rand)

default constructor

Parameters:

key - the key which is used to decrypt or encrypt the strings

rand - the randomizer that is used to generate random numbers

BlowfishCipher

public BlowfishCipher(byte[] key,
                      Random rand)

default constructor

Parameters:

key - the key which is used to decrypt or encrypt the data

rand - the randomizer that is used to generate random numbers

Method Detail

encrypt

public String encrypt(String input)

encrypt a string

Parameters:

input - the string that is to be encrypted

Returns:

the encrypted string

encrypt

public byte[] encrypt(byte[] plainText)

encrypt a byte array

Parameters:

plainText - the byte array that is to be encrypted

Returns:

the encrypted byte array

decrypt

public String decrypt(String input)

decrypt a string

Parameters:

input - the string that is to be decrypt

Returns:

the decrypted string or null in case of an error

decrypt

public byte[] decrypt(byte[] cipherText)

decrypt a byte array

Parameters:

cipherText - the byte array that is to be decrypt

Returns:

the decrypted byte array or null in case of an error