com.googlecode.jinahya.nica.util

Class Aes

java.lang.Object

com.googlecode.jinahya.nica.util.Aes

Direct Known Subclasses:

AesBC, AesJCE

public abstract class Aes
extends Object

An abstract class for AES encryption/decryption.

Author:

Jin Kwon

Field Summary

Fields

Modifier and Type	Field and Description
static String	ALGORITHM Cipher algorithm.
static int	KEY_SIZE Key size in bits.
static int	KEY_SIZE_IN_BYTES Key size in bytes.
static String	MODE Cipher mode.
static String	PADDING Cipher padding.
static String	TRANSFORMATION Cipher transformation.

Constructor Summary

Constructors

Constructor and Description
Aes()

Method Summary

Methods

Modifier and Type	Method and Description
abstract byte[]	decrypt(byte[] iv, byte[] encrypted) Decrypts given encrypted.
abstract byte[]	encrypt(byte[] iv, byte[] decrypted) Encrypts given decrypted.

Methods inherited from class java.lang.Object

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

Field Detail

KEY_SIZE

public static final int KEY_SIZE

Key size in bits.

See Also:

Constant Field Values

KEY_SIZE_IN_BYTES

public static final int KEY_SIZE_IN_BYTES

Key size in bytes.

See Also:

Constant Field Values

ALGORITHM

public static final String ALGORITHM

Cipher algorithm.

See Also:

Constant Field Values

MODE

public static final String MODE

Cipher mode.

See Also:

Constant Field Values

PADDING

public static final String PADDING

Cipher padding.

See Also:

Constant Field Values

TRANSFORMATION

public static final String TRANSFORMATION

Cipher transformation.

See Also:

Constant Field Values

Constructor Detail

Aes

public Aes()

Method Detail

encrypt

public abstract byte[] encrypt(byte[] iv,
             byte[] decrypted)

Encrypts given decrypted.

Parameters:

iv - initialization vector

decrypted - the bytes to encrypt

Returns:

encrypted output

decrypt

public abstract byte[] decrypt(byte[] iv,
             byte[] encrypted)

Decrypts given encrypted.

Parameters:

iv - initialization vector

encrypted - the bytes to decrypt

Returns:

decrypted output