totalcross.crypto.cipher

Class RSACipher

java.lang.Object

totalcross.crypto.cipher.Cipher

totalcross.crypto.cipher.RSACipher

public class RSACipher
extends Cipher

This class implements the RSA cryptographic cipher.

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 and Description
RSACipher()

Method Summary

Modifier and Type	Method and Description
protected void	doReset()
protected void	finalize()
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, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

RSACipher

public RSACipher()

Method Detail

getAlgorithm

public final java.lang.String getAlgorithm()

Returns the name of the algorithm.

Specified by:

getAlgorithm in class Cipher

Returns:

"RSA".

getBlockLength

public final int getBlockLength()

Returns the block length.

Specified by:

getBlockLength in class Cipher

Returns:

Always returns 0.

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

finalize

protected final void finalize()

Overrides:

finalize in class java.lang.Object