org.bouncycastle.crypto
Class DefaultMultiBlockCipher

java.lang.Object
  org.bouncycastle.crypto.DefaultMultiBlockCipher

All Implemented Interfaces:

BlockCipher, MultiBlockCipher

Direct Known Subclasses:

AESEngine, CBCBlockCipher, StreamBlockCipher

public abstract class DefaultMultiBlockCipher

extends java.lang.Object

implements MultiBlockCipher

Constructor Summary

protected

DefaultMultiBlockCipher()

Method Summary

int	getMultiBlockSize() Return the multi-block size for this cipher (in bytes).
int	processBlocks(byte[] in, int inOff, int blockCount, byte[] out, int outOff) Process blockCount blocks from input in offset inOff and place the output in out from offset outOff.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.bouncycastle.crypto.BlockCipher

getAlgorithmName, getBlockSize, init, processBlock, reset

Constructor Detail

DefaultMultiBlockCipher

protected DefaultMultiBlockCipher()

Method Detail

getMultiBlockSize

public int getMultiBlockSize()

Description copied from interface: MultiBlockCipher

Return the multi-block size for this cipher (in bytes).

Specified by:

getMultiBlockSize in interface MultiBlockCipher

Returns:

the multi-block size for this cipher in bytes.

processBlocks

public int processBlocks(byte[] in,
                         int inOff,
                         int blockCount,
                         byte[] out,
                         int outOff)
                  throws DataLengthException,
                         java.lang.IllegalStateException

Description copied from interface: MultiBlockCipher

Process blockCount blocks from input in offset inOff and place the output in out from offset outOff.

Specified by:

processBlocks in interface MultiBlockCipher

Parameters:

in - input data array.

inOff - start of input data in in.

blockCount - number of blocks to be processed.

out - output data array.

outOff - start position for output data.

Returns:

number of bytes written to out.

Throws:

DataLengthException

java.lang.IllegalStateException