org.jitsi.bccontrib.engines

Class ThreefishCipher

java.lang.Object

org.jitsi.bccontrib.engines.ThreefishCipher

All Implemented Interfaces:

org.bouncycastle.crypto.BlockCipher

Direct Known Subclasses:

ThreefishCipher.Threefish1024, ThreefishCipher.Threefish256, ThreefishCipher.Threefish512

public class ThreefishCipher
extends Object
implements org.bouncycastle.crypto.BlockCipher

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	ThreefishCipher.Threefish1024 Threefish cipher with 1024 bit internal state.
class	ThreefishCipher.Threefish256 Threefish cipher with 256 bit internal state.
class	ThreefishCipher.Threefish512 Threefish cipher with 512 bit internal state.

Constructor Summary

Constructors

Constructor and Description
ThreefishCipher()

Method Summary

Modifier and Type	Method and Description
static ThreefishCipher	createCipher(int stateSize)
void	decrypt(long[] input, long[] output) Decrypt function Derived classes must implement this function.
void	encrypt(long[] input, long[] output) Encrypt function Derived classes must implement this function.
String	getAlgorithmName()
int	getBlockSize()
void	init(boolean forEncryption, org.bouncycastle.crypto.CipherParameters params)
int	processBlock(byte[] in, int inOff, byte[] out, int outOff)
void	reset()
void	setKey(long[] key)
void	setTweak(long[] tweak)

Methods inherited from class java.lang.Object

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

Constructor Detail

ThreefishCipher

public ThreefishCipher()

Method Detail

setTweak

public void setTweak(long[] tweak)

setKey

public void setKey(long[] key)

createCipher

public static ThreefishCipher createCipher(int stateSize)

init

public void init(boolean forEncryption,
                 org.bouncycastle.crypto.CipherParameters params)
          throws IllegalArgumentException

Specified by:

init in interface org.bouncycastle.crypto.BlockCipher

Throws:

IllegalArgumentException

getAlgorithmName

public String getAlgorithmName()

Specified by:

getAlgorithmName in interface org.bouncycastle.crypto.BlockCipher

getBlockSize

public int getBlockSize()

Specified by:

getBlockSize in interface org.bouncycastle.crypto.BlockCipher

processBlock

public int processBlock(byte[] in,
                        int inOff,
                        byte[] out,
                        int outOff)
                 throws org.bouncycastle.crypto.DataLengthException,
                        IllegalStateException

Specified by:

processBlock in interface org.bouncycastle.crypto.BlockCipher

Throws:

org.bouncycastle.crypto.DataLengthException

IllegalStateException

reset

public void reset()

Specified by:

reset in interface org.bouncycastle.crypto.BlockCipher

encrypt

public void encrypt(long[] input,
                    long[] output)

Encrypt function Derived classes must implement this function.

Parameters:

input - The plaintext input.

output - The ciphertext output.

decrypt

public void decrypt(long[] input,
                    long[] output)

Decrypt function Derived classes must implement this function.

Parameters:

input - The ciphertext input.

output - The plaintext output.