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Bouncy Castle Cryptography Library 1.39
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org.bouncycastle.crypto.engines

Class ISAACEngine

Implemented Interfaces:
StreamCipher
public class ISAACEngine
extends java.lang.Object
implements StreamCipher
Implementation of Bob Jenkin's ISAAC (Indirection Shift Accumulate Add and Count). see: http://www.burtleburtle.net/bob/rand/isaacafa.html

Method Summary

String
getAlgorithmName()
void
init(boolean forEncryption, CipherParameters params)
initialise an ISAAC cipher.
void
processBytes(byte[] in, int inOff, int len, byte[] out, int outOff)
void
reset()
byte
returnByte(byte in)

Method Details

getAlgorithmName

public String getAlgorithmName()
Specified by:
getAlgorithmName in interface StreamCipher

init

public void init(boolean forEncryption,
                 CipherParameters params)
initialise an ISAAC cipher.
Specified by:
init in interface StreamCipher
Parameters:
forEncryption - whether or not we are for encryption.
params - the parameters required to set up the cipher.

processBytes

public void processBytes(byte[] in,
                         int inOff,
                         int len,
                         byte[] out,
                         int outOff)
Specified by:
processBytes in interface StreamCipher

reset

public void reset()
Specified by:
reset in interface StreamCipher

returnByte

public byte returnByte(byte in)
Specified by:
returnByte in interface StreamCipher

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