org.bouncycastle.crypto.engines

Class AESNativeCCMPacketCipher

java.lang.Object

org.bouncycastle.crypto.engines.AESNativeCCMPacketCipher

All Implemented Interfaces:

AESCCMModePacketCipher, PacketCipher

public class AESNativeCCMPacketCipher
extends java.lang.Object
implements PacketCipher, AESCCMModePacketCipher

Constructor Summary

Constructors

Constructor and Description
AESNativeCCMPacketCipher()

Method Summary

Modifier and Type	Method and Description
int	getOutputSize(boolean encryption, CipherParameters params, int len) Returns the expected output size for direction and parameters.
int	processPacket(boolean forEncryption, CipherParameters params, 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.AESCCMModePacketCipher

getCCMMacSize, getMacSize

Constructor Detail

AESNativeCCMPacketCipher

public AESNativeCCMPacketCipher()

Method Detail

getOutputSize

public int getOutputSize(boolean encryption,
                         CipherParameters params,
                         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

params - The cipher parameters

len - the input length.

Returns:

the required minimum output length in bytes.

processPacket

public int processPacket(boolean forEncryption,
                         CipherParameters params,
                         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:

forEncryption - encryption if true

params - 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