cz.d1x.dxcrypto.encryption.crypto

Class CryptoAsymmetricEngine

java.lang.Object

cz.d1x.dxcrypto.encryption.crypto.CryptoAsymmetricEngine

All Implemented Interfaces:

EncryptionEngine

public class CryptoAsymmetricEngine
extends Object
implements EncryptionEngine

Implementation of encryption engine that uses javax.crypto implementations for asymmetric encryption.

Author:

Zdenek Obst, zdenek.obst-at-gmail.com

Constructor Summary

Constructors

Constructor and Description
CryptoAsymmetricEngine(String cipherName, Key encryptionKey, Key decryptionKey)

Method Summary

Modifier and Type	Method and Description
byte[]	decrypt(byte[] input, byte[] initVector) Decrypts given input using given initialization vector (if needed)
byte[]	encrypt(byte[] input, byte[] initVector) Encrypts given input and using given initialization vector (if needed).

Methods inherited from class java.lang.Object

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

Constructor Detail

CryptoAsymmetricEngine

public CryptoAsymmetricEngine(String cipherName,
                              Key encryptionKey,
                              Key decryptionKey)

Method Detail

encrypt

public byte[] encrypt(byte[] input,
                      byte[] initVector)
               throws EncryptionException

Description copied from interface: EncryptionEngine

Encrypts given input and using given initialization vector (if needed).

Specified by:

encrypt in interface EncryptionEngine

Parameters:

input - input to be encrypted

initVector - initialization vector for encryption if needed (can be null)

Returns:

encrypted input

Throws:

EncryptionException - exception if encryption fails

decrypt

public byte[] decrypt(byte[] input,
                      byte[] initVector)
               throws EncryptionException

Description copied from interface: EncryptionEngine

Decrypts given input using given initialization vector (if needed)

Specified by:

decrypt in interface EncryptionEngine

Parameters:

input - input to be decrypted

initVector - initialization vector for decryption if needed (can be null)

Returns:

decrypted input

Throws:

EncryptionException - exception if decryption fails