Package totalcross.crypto.cipher

Class AESCipher

java.lang.Object

totalcross.crypto.cipher.Cipher

totalcross.crypto.cipher.AESCipher

public class AESCipher
extends Cipher

This class implements the AES cryptographic cipher.

If you get a totalcross.crypto.CryptoException: Illegal key size, you must download the strong cryptography files from Oracle site. In order to do that, go to the ReadMe file whole link is below the download link. In this file, search for "Unlimited Strength Java Cryptography Extension" and follow the instructions.

Field Summary

Fields inherited from class totalcross.crypto.cipher.Cipher

chaining, CHAINING_CBC, CHAINING_ECB, CHAINING_NONE, iv, key, nativeHeap, operation, OPERATION_DECRYPT, OPERATION_ENCRYPT, padding, PADDING_NONE, PADDING_PKCS1, PADDING_PKCS5

Constructor Summary

Constructors

Constructor	Description
AESCipher()

Method Summary

Modifier and Type	Method	Description
protected void	doReset()
java.lang.String	getAlgorithm()	Returns the name of the algorithm.
int	getBlockLength()	Returns the block length.
protected boolean	isChainingSupported(int chaining)
protected boolean	isKeySupported(Key key, int operation)
protected boolean	isPaddingSupported(int padding)
protected byte[]	process(byte[] data)

Methods inherited from class totalcross.crypto.cipher.Cipher

getIV, getOutput, reset, reset, reset, reset, toString, update, update, update

Methods inherited from class java.lang.Object

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

Constructor Detail

AESCipher

public AESCipher()

Method Detail

getAlgorithm

public final java.lang.String getAlgorithm()

Returns the name of the algorithm.

Specified by:

getAlgorithm in class Cipher

Returns:

"AES".

getBlockLength

public final int getBlockLength()

Returns the block length.

Specified by:

getBlockLength in class Cipher

Returns:

Always returns 16.

doReset

protected final void doReset()
                      throws NoSuchAlgorithmException,
                             CryptoException

Specified by:

doReset in class Cipher

Throws:

NoSuchAlgorithmException

CryptoException

process

protected final byte[] process(byte[] data)
                        throws CryptoException

Specified by:

process in class Cipher

Throws:

CryptoException

isKeySupported

protected final boolean isKeySupported(Key key,
                                       int operation)

Specified by:

isKeySupported in class Cipher

isChainingSupported

protected final boolean isChainingSupported(int chaining)

Specified by:

isChainingSupported in class Cipher

isPaddingSupported

protected final boolean isPaddingSupported(int padding)

Specified by:

isPaddingSupported in class Cipher