Package com.sshtools.common.ssh.components

Class NoneHmac

java.lang.Object

com.sshtools.common.ssh.components.NoneHmac

All Implemented Interfaces:

Component, SshComponent, SshHmac, SecureComponent

public class NoneHmac
extends Object
implements SshHmac

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	NoneHmac.NoneHmacFactory

Constructor Summary

Constructors

Constructor	Description
NoneHmac()

Method Summary

Modifier and Type	Method	Description
byte[]	doFinal()
void	generate(long sequenceNo, byte[] data, int offset, int len, byte[] output, int start)
String	getAlgorithm()
int	getMacLength()	The length of the message digest output by this implementation (maybe lower than mac size);
int	getMacSize()	The size of the message digest output by the hmac algorithm
int	getPriority()
SecurityLevel	getSecurityLevel()
void	init(byte[] keydata)
boolean	isETM()
void	update(byte[] b)
boolean	verify(long sequenceNo, byte[] data, int start, int len, byte[] mac, int offset)

Methods inherited from class java.lang.Object

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

Constructor Details

NoneHmac

public NoneHmac()

Method Details

getMacSize

public int getMacSize()

Description copied from interface: SshHmac

The size of the message digest output by the hmac algorithm

Specified by:

getMacSize in interface SshHmac

Returns:

getMacLength

public int getMacLength()

Description copied from interface: SshHmac

The length of the message digest output by this implementation (maybe lower than mac size);

Specified by:

getMacLength in interface SshHmac

Returns:

generate

public void generate(long sequenceNo,
 byte[] data,
 int offset,
 int len,
 byte[] output,
 int start)

Specified by:

generate in interface SshHmac

init

public void init(byte[] keydata)
          throws SshException

Specified by:

init in interface SshHmac

Throws:

SshException

verify

public boolean verify(long sequenceNo,
 byte[] data,
 int start,
 int len,
 byte[] mac,
 int offset)

Specified by:

verify in interface SshHmac

update

public void update(byte[] b)

Specified by:

update in interface SshHmac

doFinal

public byte[] doFinal()

Specified by:

doFinal in interface SshHmac

getAlgorithm

public String getAlgorithm()

Specified by:

getAlgorithm in interface SecureComponent

Specified by:

getAlgorithm in interface SshComponent

Specified by:

getAlgorithm in interface SshHmac

isETM

public boolean isETM()

Specified by:

isETM in interface SshHmac

getSecurityLevel

public SecurityLevel getSecurityLevel()

Specified by:

getSecurityLevel in interface SecureComponent

getPriority

public int getPriority()

Specified by:

getPriority in interface SecureComponent