Class AESEncryptor

java.lang.Object

org.deltava.crypt.SecretKeyEncryptor

org.deltava.crypt.AESEncryptor

public final class AESEncryptor
extends SecretKeyEncryptor

A class to encrypt/decrypt data using AES.

Since:

6.4

Version:

10.1

Author:

Luke

Constructor Summary

Constructors

Constructor	Description
AESEncryptor(byte[] keyData)	Create a new AES encryptor given an arbitrary key.
AESEncryptor(byte[] keyData, byte[] iv)	Create a new AES encryptor given an arbitrary key.
AESEncryptor(String keyData)	Create a new AES encryptor given an arbitrary key string.

Method Summary

Methods inherited from class SecretKeyEncryptor

decrypt, encrypt, getAlgorithm, initKey, setKey, trimKeySize

Modifier and Type	Method	Description
byte[]	decrypt(byte[] data)	Decrypt a given amount of data.
byte[]	encrypt(byte[] data)	Encrypt a given amount of data.
final String	getAlgorithm()	Returns the algorithm in use.
protected void	initKey(KeySpec spec)	Initialize the encryptor using a given key specification.
protected void	setKey(SecretKey key, byte[] iv)	Initialize the encryptor using a given secret key.
protected static byte[]	trimKeySize(byte[] rawKey, int maxSize)	Helper method to trim a key if it is longer than a particular size.

Methods inherited from class Object

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

Constructor Details

AESEncryptor

public AESEncryptor(byte[] keyData)
             throws CryptoException

Create a new AES encryptor given an arbitrary key.

Parameters:

keyData - the key data. Only the first 16 or 32 bytes are used

Throws:

CryptoException - if the encryptor cannot be initialized

AESEncryptor

public AESEncryptor(byte[] keyData,
 byte[] iv)
             throws CryptoException

Create a new AES encryptor given an arbitrary key.

Parameters:

keyData - the key data. Only the first 16 or 32 bytes are used

iv - the Initialization Vector, or null

Throws:

CryptoException - if the encryptor cannot be initialized

AESEncryptor

public AESEncryptor(String keyData)

Create a new AES encryptor given an arbitrary key string.

Parameters:

keyData - the key string. Only the first 24 characters are used

Throws:

CryptoException - if the encryptor cannot be initialized