de.alpharogroup.crypto.key

Class PrivateKeyHexDecryptor

java.lang.Object

de.alpharogroup.crypto.key.PrivateKeyHexDecryptor

public class PrivateKeyHexDecryptor
extends Object

The class PrivateKeyHexDecryptor decrypts encrypted characters the was encrypted with the public key of the pendant private key of this class.

Constructor Summary

Constructors

Constructor and Description
PrivateKeyHexDecryptor(PrivateKey privateKey) Instantiates a new PrivateKeyHexDecryptor with the given PrivateKey.

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Detail

PrivateKeyHexDecryptor

public PrivateKeyHexDecryptor(PrivateKey privateKey)

Instantiates a new PrivateKeyHexDecryptor with the given PrivateKey.

Parameters:

privateKey - The private key.

Method Detail

decrypt

public String decrypt(String encypted)
               throws InvalidKeyException,
                      NoSuchAlgorithmException,
                      NoSuchPaddingException,
                      org.apache.commons.codec.DecoderException,
                      IllegalBlockSizeException,
                      BadPaddingException,
                      InvalidKeySpecException,
                      InvalidAlgorithmParameterException,
                      IOException

Decrypt the given encrypted String.

Parameters:

encypted - The String to decrypt.

Returns:

The decrypted String

Throws:

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

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

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

org.apache.commons.codec.DecoderException - is thrown if an odd number or illegal of characters is supplied

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

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

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

IOException - Signals that an I/O exception has occurred.

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