net.anotheria.util.crypt

Class CryptTool

java.lang.Object

net.anotheria.util.crypt.CryptTool

public class CryptTool
extends Object

A tool to encrypt and decrypt strings using Blowfish algorithm.

Author:

lrosenberg

Constructor Summary

Constructors

Constructor and Description
CryptTool(byte[] key) Create a new crypttool with the binary given key.
CryptTool(String key) Create a new crypttool with the given key.

Method Summary

Methods

Modifier and Type	Method and Description
static String	chiffreToId(String chiffre) Restore Numerical ID from Chiffre.
byte[]	decrypt(byte[] toDecrypt)
void	decryptBuffer(byte[] buffer) Decrypts specified byte array.
String	decryptFromHex(String toDecrypt)
String	decryptFromHexTrim(String toDecrypt)
Map<String,String>	decryptParameterMap(String str) Decrypts a previously encoded parameter map and returns it as map of key-value pairs.
byte[]	encrypt(String toEncrypt) Returns a byte array containing the encrypted version of the string.
void	encryptBuffer(byte[] buffer) Encrypts specified byte array.
String	encryptParameterMap(Map<String,String> parameters) Encrypts a map of key value pairs to a single string to use as html parameter or similar.
String	encryptToHex(String toEncrypt) Returns a HEX version of the encrypted string.
static String	idToChiffre(String id) Converts Numerical ID to Chiffre: string from letters and digits 8 symbols length.

Methods inherited from class java.lang.Object

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

Constructor Detail

CryptTool

public CryptTool(String key)

Create a new crypttool with the given key.

Parameters:

key - the key to use for en- and decode.

CryptTool

public CryptTool(byte[] key)

Create a new crypttool with the binary given key.

Parameters:

key - the key to use for en- and decode.

Method Detail

encrypt

public byte[] encrypt(String toEncrypt)

Returns a byte array containing the encrypted version of the string.

Parameters:

toEncrypt -

Returns:

encryptToHex

public String encryptToHex(String toEncrypt)

Returns a HEX version of the encrypted string.

Parameters:

toEncrypt - the string to encrypt.

Returns:

decrypt

public byte[] decrypt(byte[] toDecrypt)

decryptFromHex

public String decryptFromHex(String toDecrypt)

decryptFromHexTrim

public String decryptFromHexTrim(String toDecrypt)

encryptParameterMap

public String encryptParameterMap(Map<String,String> parameters)

Encrypts a map of key value pairs to a single string to use as html parameter or similar.

Parameters:

parameters - a map with parameters.

Returns:

a string version of the map.

decryptParameterMap

public Map<String,String> decryptParameterMap(String str)

Decrypts a previously encoded parameter map and returns it as map of key-value pairs.

Parameters:

str - the string to decode.

Returns:

a map with decrypted parameters.

idToChiffre

public static String idToChiffre(String id)

Converts Numerical ID to Chiffre: string from letters and digits 8 symbols length.

Parameters:

id - to convert

Returns:

chiffreToId

public static String chiffreToId(String chiffre)

Restore Numerical ID from Chiffre.

Parameters:

chiffre -

Returns:

encryptBuffer

public void encryptBuffer(byte[] buffer)

Encrypts specified byte array. Size must be aligned to 8-bytes boundary.

Parameters:

buffer - byte array to encrypt.

decryptBuffer

public void decryptBuffer(byte[] buffer)

Decrypts specified byte array. Size must be aligned to 8-bytes boundary.

Parameters:

buffer - byte array to decrypt.