cz.d1x.dxcrypto.encryption

Interface EncryptionAlgorithm

All Known Implementing Classes:

AsymmetricAlgorithm, SymmetricAlgorithm

public interface EncryptionAlgorithm

Interface for algorithms that are able to encrypt given input and decrypt it afterwards. Note that it is strongly recommended that implementations will be immutable.

Author:

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

See Also:

AESBuilder, TripleDESBuilder, RSABuilder

Method Summary

Modifier and Type	Method and Description
byte[]	decrypt(byte[] input) Decrypts specified array of bytes.
String	decrypt(String input) Decrypts specified input text using default UTF-8 encoding.
byte[]	encrypt(byte[] input) Encrypts specified array of bytes.
String	encrypt(String input) Encrypts specified input text.

Method Detail

encrypt

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

Encrypts specified array of bytes.

Parameters:

input - input bytes to be encrypted

Returns:

encrypted bytes

Throws:

EncryptionException - possible exception when encryption fails

encrypt

String encrypt(String input)
        throws EncryptionException

Encrypts specified input text.

Parameters:

input - input text to be encrypted

Returns:

encrypted text

Throws:

EncryptionException - possible exception when encryption fails

decrypt

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

Decrypts specified array of bytes.

Parameters:

input - input bytes to be decrypted

Returns:

decrypted bytes

Throws:

EncryptionException - possible exception when decryption fails

decrypt

String decrypt(String input)
        throws EncryptionException

Decrypts specified input text using default UTF-8 encoding.

Parameters:

input - input text to be decrypted

Returns:

decrypted text

Throws:

EncryptionException - possible exception when decryption fails