org.bouncycastle.crypto.modes

Class AESCFBPacketCipher

java.lang.Object

org.bouncycastle.crypto.modes.AESCFBPacketCipher

All Implemented Interfaces:

AESCFBModePacketCipher, PacketCipher

public class AESCFBPacketCipher
extends java.lang.Object
implements AESCFBModePacketCipher

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AESCFBPacketCipher()

Method Summary

Modifier and Type	Method and Description
int	getOutputSize(boolean encryption, CipherParameters parameters, int len) Returns the expected output size for direction and parameters.
static AESCFBModePacketCipher	newInstance()
int	processPacket(boolean encryption, CipherParameters parameters, byte[] input, int inOff, int len, byte[] output, int outOff) Process a packet.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.bouncycastle.crypto.modes.AESCFBModePacketCipher

checkCFBParameter

Constructor Detail

AESCFBPacketCipher

protected AESCFBPacketCipher()

Method Detail

newInstance

public static AESCFBModePacketCipher newInstance()

getOutputSize

public int getOutputSize(boolean encryption,
                         CipherParameters parameters,
                         int len)

Description copied from interface: PacketCipher

Returns the expected output size for direction and parameters.

Specified by:

getOutputSize in interface PacketCipher

Parameters:

encryption - encryption if true

parameters - The cipher parameters

len - the input length.

Returns:

the required minimum output length in bytes.

processPacket

public int processPacket(boolean encryption,
                         CipherParameters parameters,
                         byte[] input,
                         int inOff,
                         int len,
                         byte[] output,
                         int outOff)
                  throws PacketCipherException

Description copied from interface: PacketCipher

Process a packet.

Specified by:

processPacket in interface PacketCipher

Parameters:

encryption - encryption if true

parameters - The key parameters

input - The input byte array

inOff - Offset within byte array to start reading input.

len - the number of bytes of input to process.

output - The output array

outOff - the offset within the output array to start writing output.

Returns:

Throws:

PacketCipherException - if the transformation encounters an error.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object