org.bouncycastle.crypto.macs
Class Zuc128Mac

java.lang.Object
  org.bouncycastle.crypto.macs.Zuc128Mac

All Implemented Interfaces:

Mac

public final class Zuc128Mac

extends java.lang.Object

implements Mac

Zuc128 Mac implementation. Based on https://www.qtc.jp/3GPP/Specs/eea3eia3specificationv16.pdf

Constructor Summary

Zuc128Mac()
Constructor.

Method Summary

int	doFinal(byte[] out, int outOff) Finalize the mac.
java.lang.String	getAlgorithmName() Obtain Algorithm Name.
int	getMacSize() Obtain Mac Size.
void	init(CipherParameters pParams) Initialise the Mac.
void	reset() Reset the MAC.
void	update(byte in) Update the mac with a single byte.
void	update(byte[] in, int inOff, int len) Update the mac.

Methods inherited from class java.lang.Object

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

Constructor Detail

Zuc128Mac

public Zuc128Mac()

Constructor.

Method Detail

getAlgorithmName

public java.lang.String getAlgorithmName()

Obtain Algorithm Name.

Specified by:

getAlgorithmName in interface Mac

Returns:

the name

getMacSize

public int getMacSize()

Obtain Mac Size.

Specified by:

getMacSize in interface Mac

Returns:

the size in Bytes

init

public void init(CipherParameters pParams)

Initialise the Mac.

Specified by:

init in interface Mac

Parameters:

pParams - the parameters

update

public void update(byte in)

Update the mac with a single byte.

Specified by:

update in interface Mac

Parameters:

in - the byte to update with

update

public void update(byte[] in,
                   int inOff,
                   int len)

Update the mac.

Specified by:

update in interface Mac

Parameters:

in - the input buffer

inOff - the starting offset in the input buffer

len - the length of data to process

doFinal

public int doFinal(byte[] out,
                   int outOff)

Finalize the mac.

Specified by:

doFinal in interface Mac

Parameters:

out - the output buffer

outOff - the starting offset in the input buffer

Returns:

the size of the mac

reset

public void reset()

Description copied from interface: Mac

Reset the MAC. At the end of resetting the MAC should be in the in the same state it was after the last init (if there was one).

Specified by:

reset in interface Mac