org.bridje.web.view.state

Class StateEncryptation

java.lang.Object

org.bridje.web.view.state.StateEncryptation

public class StateEncryptation
extends Object

Utility class for state string encriptation.

Constructor Summary

Constructors

Constructor and Description
StateEncryptation(byte[] key)
StateEncryptation(String key)

Method Summary

Modifier and Type	Method and Description
byte[]	decrypt(byte[] cipherText) Decrypts the given byte array
String	decryptBase64(String cipherText) Decrypts the given base64 string.
byte[]	encrypt(byte[] plainText) Encrypts the given plain text
String	encryptBase64(String plainText) Encrypts the given plain text to a base64 string.

Methods inherited from class java.lang.Object

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

Constructor Detail

StateEncryptation

public StateEncryptation(byte[] key)

StateEncryptation

public StateEncryptation(String key)

Method Detail

encrypt

public byte[] encrypt(byte[] plainText)
               throws NoSuchAlgorithmException,
                      NoSuchPaddingException,
                      InvalidKeyException,
                      IllegalBlockSizeException,
                      BadPaddingException

Encrypts the given plain text

Parameters:

plainText - The plain text to encrypt

Returns:

The encripted string.

Throws:

NoSuchAlgorithmException - Throw in the encrypt

NoSuchPaddingException - Throw in the encrypt

InvalidKeyException - Throw in the encrypt

IllegalBlockSizeException - Throw in the encrypt

BadPaddingException - Throw in the encrypt

encryptBase64

public String encryptBase64(String plainText)
                     throws NoSuchAlgorithmException,
                            NoSuchPaddingException,
                            InvalidKeyException,
                            IllegalBlockSizeException,
                            BadPaddingException

Encrypts the given plain text to a base64 string.

Parameters:

plainText - The plain text to encrypt

Returns:

The encripted base64 string.

Throws:

NoSuchAlgorithmException - Throw in the encrypt

NoSuchPaddingException - Throw in the encrypt

InvalidKeyException - Throw in the encrypt

IllegalBlockSizeException - Throw in the encrypt

BadPaddingException - Throw in the encrypt

decrypt

public byte[] decrypt(byte[] cipherText)
               throws NoSuchAlgorithmException,
                      NoSuchPaddingException,
                      InvalidKeyException,
                      IllegalBlockSizeException,
                      BadPaddingException

Decrypts the given byte array

Parameters:

cipherText - The data to decrypt

Returns:

The decripted string.

Throws:

NoSuchAlgorithmException - Throw in the decrypt.

NoSuchPaddingException - Throw in the decrypt.

InvalidKeyException - Throw in the decrypt.

IllegalBlockSizeException - Throw in the decrypt.

BadPaddingException - Throw in the decrypt.

decryptBase64

public String decryptBase64(String cipherText)
                     throws NoSuchAlgorithmException,
                            NoSuchPaddingException,
                            InvalidKeyException,
                            IllegalBlockSizeException,
                            BadPaddingException

Decrypts the given base64 string.

Parameters:

cipherText - The data to decrypt

Returns:

The decripted string.

Throws:

NoSuchAlgorithmException - Throw in the decrypt.

NoSuchPaddingException - Throw in the decrypt.

InvalidKeyException - Throw in the decrypt.

IllegalBlockSizeException - Throw in the decrypt.

BadPaddingException - Throw in the decrypt.