Package com.icodici.crypto

Class AES256

java.lang.Object

com.icodici.crypto.AES256

All Implemented Interfaces:

BlockCipher

public class AES256
extends java.lang.Object
implements BlockCipher

AES256 block cipher implementation.

Nested Class Summary

Nested classes/interfaces inherited from interface com.icodici.crypto.BlockCipher

BlockCipher.Direction

Constructor Summary

Constructors

Constructor	Description
AES256()	Constructor.

Method Summary

Modifier and Type	Method	Description
int	getBlockSize()
int	getKeySize()
java.lang.String	getTag()	Encryption method tag, AES256 for AES 256 (Rijndael 256/128) and so on
void	initialize(BlockCipher.Direction direction, SymmetricKey key)
protected boolean	initialized()	Whether the engine has been initialized properly.
byte[]	transformBlock(byte[] block)	Encrypt/decrypt source block and return processed block

Methods inherited from class java.lang.Object

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

Constructor Detail

AES256

public AES256()

Constructor.

Method Detail

getBlockSize

public int getBlockSize()

Specified by:

getBlockSize in interface BlockCipher

Returns:

block size in bytes

getKeySize

public int getKeySize()

Specified by:

getKeySize in interface BlockCipher

getTag

public java.lang.String getTag()

Encryption method tag, AES256 for AES 256 (Rijndael 256/128) and so on

Specified by:

getTag in interface BlockCipher

Returns:

initialize

public void initialize(BlockCipher.Direction direction,
                       SymmetricKey key)

Specified by:

initialize in interface BlockCipher

initialized

protected boolean initialized()

Whether the engine has been initialized properly.

transformBlock

public byte[] transformBlock(byte[] block)
                      throws EncryptionError

Encrypt/decrypt source block and return processed block

Specified by:

transformBlock in interface BlockCipher

Parameters:

block - source block

Returns:

transformed source block

Throws:

EncryptionError - if key or block has wrong size