Package org.bouncycastle.crypto.macs

Class Zuc256Mac

java.lang.Object

org.bouncycastle.crypto.macs.Zuc256Mac

All Implemented Interfaces:

Mac

public final class Zuc256Mac
extends Object
implements Mac

Zuc256 Mac implementation. Based on https://www.is.cas.cn/ztzl2016/zouchongzhi/201801/W020180126529970733243.pdf

Constructor Summary

Constructors

Constructor	Description
Zuc256Mac(int pLength)	Constructor.

Method Summary

Modifier and Type	Method	Description
int	doFinal(byte[] out, int outOff)	Finalize the mac.
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 Details

Zuc256Mac

public Zuc256Mac(int pLength)

Constructor.

Parameters:

pLength - the bit length of the Mac

Method Details

getAlgorithmName

public 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 output buffer

Returns:

the size of the mac

reset

public void reset()

Reset the Mac.

Specified by:

reset in interface Mac