org.exoplatform.utils

Class SimpleCrypto

java.lang.Object

org.exoplatform.utils.SimpleCrypto

public class SimpleCrypto
extends Object

Usage:

 String crypto = SimpleCrypto.encrypt(masterpassword, cleartext)
 ...
 String cleartext = SimpleCrypto.decrypt(masterpassword, crypto)
 

Author:

ferenc.hechler

Constructor Summary

Constructors

Constructor and Description
SimpleCrypto()

Method Summary

Methods

Modifier and Type	Method and Description
static String	decrypt(String seed, String encrypted)
static String	encrypt(String seed, String cleartext)
static String	fromHex(String hex)
static SecretKey	generateKey()
static byte[]	toByte(String hexString)
static String	toHex(byte[] buf)
static String	toHex(String txt)

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleCrypto

public SimpleCrypto()

Method Detail

encrypt

public static String encrypt(String seed,
             String cleartext)
                      throws NoSuchAlgorithmException,
                             NoSuchPaddingException,
                             InvalidKeyException,
                             IllegalBlockSizeException,
                             BadPaddingException,
                             IllegalArgumentException,
                             NoSuchProviderException

Throws:

NoSuchAlgorithmException

NoSuchPaddingException

InvalidKeyException

IllegalBlockSizeException

BadPaddingException

IllegalArgumentException

NoSuchProviderException

decrypt

public static String decrypt(String seed,
             String encrypted)
                      throws NoSuchAlgorithmException,
                             NoSuchPaddingException,
                             InvalidKeyException,
                             IllegalBlockSizeException,
                             BadPaddingException,
                             IllegalArgumentException,
                             NoSuchProviderException

Throws:

NoSuchAlgorithmException

NoSuchPaddingException

InvalidKeyException

IllegalBlockSizeException

BadPaddingException

IllegalArgumentException

NoSuchProviderException

generateKey

public static SecretKey generateKey()
                             throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

toHex

public static String toHex(String txt)

fromHex

public static String fromHex(String hex)

toByte

public static byte[] toByte(String hexString)

toHex

public static String toHex(byte[] buf)