cz.d1x.dxcrypto.encryption

Interface EncryptionEngine

All Known Subinterfaces:

StreamingEncryptionEngine

All Known Implementing Classes:

CryptoAsymmetricEngine, CryptoSymmetricEngine

public interface EncryptionEngine

Interface for encryption engines that are able to encrypt and decrypt inputs. Note that implementations should be immutable (should not change its internal state by encrypt(byte[], byte[]) and decrypt(byte[], byte[]) methods.

Author:

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

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).

Method Detail

encrypt

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

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

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

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

Decrypts given input using given initialization vector (if needed)

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