org.apache.sshd.common.mac

Class CMAC

java.lang.Object

org.apache.sshd.common.mac.CMAC

All Implemented Interfaces:

AlgorithmNameProvider, Mac, MacInformation

public class CMAC
extends Object
implements Mac

Constructor Summary

Constructors

Constructor and Description
CMAC()

Method Summary

Modifier and Type	Method and Description
void	doFinal(byte[] buf, int offset)
String	getAlgorithm()
int	getBlockSize()
int	getDefaultBlockSize()
void	init(byte[] key)
void	update(byte[] buf, int start, int len)
void	updateUInt(long foo)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.sshd.common.mac.Mac

doFinal, doFinal, equals, update

Methods inherited from interface org.apache.sshd.common.mac.MacInformation

isEncryptThenMac

Constructor Detail

CMAC

public CMAC()

Method Detail

init

public void init(byte[] key)
          throws Exception

Specified by:

init in interface Mac

Throws:

Exception

update

public void update(byte[] buf,
                   int start,
                   int len)

Specified by:

update in interface Mac

updateUInt

public void updateUInt(long foo)

Specified by:

updateUInt in interface Mac

doFinal

public void doFinal(byte[] buf,
                    int offset)
             throws Exception

Specified by:

doFinal in interface Mac

Throws:

Exception

getBlockSize

public int getBlockSize()

Specified by:

getBlockSize in interface MacInformation

Returns:

MAC output block size in bytes - may be less than the default - e.g., MD5-96

getDefaultBlockSize

public int getDefaultBlockSize()

Specified by:

getDefaultBlockSize in interface MacInformation

Returns:

The "natural" MAC block size in bytes

getAlgorithm

public String getAlgorithm()

Specified by:

getAlgorithm in interface AlgorithmNameProvider