net.sourceforge.jaulp.crypto

Class SimpleDecryptor

java.lang.Object

net.sourceforge.jaulp.crypto.SimpleDecryptor

All Implemented Interfaces:

Decryptor

public class SimpleDecryptor
extends Object
implements Decryptor

A simple Decryptor implementation.

Version:

1.0

Author:

Asterios Raptis

Constructor Summary

Constructors

Constructor and Description
SimpleDecryptor(String privateKey) Constructor with a private key.

Method Summary

Modifier and Type	Method and Description
String	decrypt(String encypted) Decrpyt the given encrypted String.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleDecryptor

public SimpleDecryptor(String privateKey)

Constructor with a private key.

Parameters:

privateKey - The private key.

Method Detail

decrypt

public String decrypt(String encypted)
               throws IllegalBlockSizeException,
                      BadPaddingException,
                      UnsupportedEncodingException,
                      InvalidKeyException,
                      NoSuchAlgorithmException,
                      InvalidKeySpecException,
                      NoSuchPaddingException,
                      InvalidAlgorithmParameterException

Decrpyt the given encrypted String.

Specified by:

decrypt in interface Decryptor

Parameters:

encypted - The String to decrypt.

Returns:

The decrypted String

Throws:

BadPaddingException - is thrown if Cipher.doFinal(byte[]) fails.

IllegalBlockSizeException - is thrown if Cipher.doFinal(byte[]) fails.

UnsupportedEncodingException - is thrown if creation of String object fails.

InvalidAlgorithmParameterException - is thrown if initialization of the cypher object fails.

NoSuchPaddingException - is thrown if instantiation of the cypher object fails.

InvalidKeySpecException - is thrown if generation of the SecretKey object fails.

NoSuchAlgorithmException - is thrown if instantiation of the SecretKeyFactory object fails.

InvalidKeyException - is thrown if initialization of the cypher object fails.

See Also:

Decryptor.decrypt(java.lang.String)