com.ibm.crypto.fips.provider

Class HmacSHA1

java.lang.Object

javax.crypto.MacSpi

com.ibm.crypto.fips.provider.HmacSHA1

All Implemented Interfaces:

AlgorithmStatus, java.lang.Cloneable

public final class HmacSHA1
extends javax.crypto.MacSpi
implements java.lang.Cloneable, AlgorithmStatus

This is an implementation of the HMAC-SHA1 algorithm.

Version:

1.6, 11/09/99

Author:

Jan Luehe

Constructor Summary

Constructors

Constructor and Description
HmacSHA1() Standard constructor, creates a new HmacSHA1 instance.

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	clone()
java.lang.Object	internalClone()
boolean	isFipsApproved() Module identifies if the cryptographic operation (algorithm) is FIPS certified
void	zeroize() This function zeroizes the key so that it isn't in memory

Methods inherited from class java.lang.Object

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

Constructor Detail

HmacSHA1

public HmacSHA1()
         throws java.security.NoSuchAlgorithmException

Standard constructor, creates a new HmacSHA1 instance. Verify the JCE framework in the constructor.

Throws:

java.lang.SecurityException - if fails to verify the JCE framework.

java.security.NoSuchAlgorithmException

Method Detail

isFipsApproved

public boolean isFipsApproved()

Description copied from interface: AlgorithmStatus

Module identifies if the cryptographic operation (algorithm) is FIPS certified

Specified by:

isFipsApproved in interface AlgorithmStatus

See Also:

AlgorithmStatus.isFipsApproved()

clone

public java.lang.Object clone()

Overrides:

clone in class javax.crypto.MacSpi

internalClone

public java.lang.Object internalClone()

zeroize

public void zeroize()

This function zeroizes the key so that it isn't in memory