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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0_08) on Mon Oct 02 15:50:36 EST 2006 --><TITLE>OldHMac (Bouncy Castle Library 1.34 API Specification)</TITLE><META NAME="keywords" CONTENT="org.bouncycastle.crypto.macs.OldHMac class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="OldHMac (Bouncy Castle Library 1.34 API Specification)";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" 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</TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><b>Bouncy Castle Cryptography Library 1.34</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../org/bouncycastle/crypto/macs/ISO9797Alg3Mac.html" title="class in org.bouncycastle.crypto.macs"><B>PREV CLASS</B></A> NEXT CLASS</FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?org/bouncycastle/crypto/macs/OldHMac.html" target="_top"><B>FRAMES</B></A> <A HREF="OldHMac.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">org.bouncycastle.crypto.macs</FONT><BR>Class OldHMac</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.bouncycastle.crypto.macs.OldHMac</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../org/bouncycastle/crypto/Mac.html" title="interface in org.bouncycastle.crypto">Mac</A></DD></DL><HR><DL><DT><PRE>public class <B>OldHMac</B><DT>extends java.lang.Object<DT>implements <A HREF="../../../../org/bouncycastle/crypto/Mac.html" title="interface in org.bouncycastle.crypto">Mac</A></DL></PRE><P>HMAC implementation based on RFC2104 H(K XOR opad, H(K XOR ipad, text))<P><P><HR><P><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/macs/OldHMac.html#OldHMac(org.bouncycastle.crypto.Digest)">OldHMac</A></B>(<A HREF="../../../../org/bouncycastle/crypto/Digest.html" title="interface in org.bouncycastle.crypto">Digest</A> digest)</CODE><BR> <B>Deprecated.</B> <I>uses incorrect pad for SHA-512 and SHA-384 use HMac.</I></TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/macs/OldHMac.html#doFinal(byte[], int)">doFinal</A></B>(byte[] out, int outOff)</CODE><BR> Compute the final statge of the MAC writing the output to the out parameter.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/macs/OldHMac.html#getAlgorithmName()">getAlgorithmName</A></B>()</CODE><BR> Return the name of the algorithm the MAC implements.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/macs/OldHMac.html#getMacSize()">getMacSize</A></B>()</CODE><BR> Return the block size for this MAC (in bytes).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../org/bouncycastle/crypto/Digest.html" title="interface in org.bouncycastle.crypto">Digest</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/macs/OldHMac.html#getUnderlyingDigest()">getUnderlyingDigest</A></B>()</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/macs/OldHMac.html#init(org.bouncycastle.crypto.CipherParameters)">init</A></B>(<A HREF="../../../../org/bouncycastle/crypto/CipherParameters.html" title="interface in org.bouncycastle.crypto">CipherParameters</A> params)</CODE><BR> Initialise the MAC.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/macs/OldHMac.html#reset()">reset</A></B>()</CODE><BR> Reset the mac generator.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/macs/OldHMac.html#update(byte)">update</A></B>(byte in)</CODE><BR> add a single byte to the mac for processing.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/macs/OldHMac.html#update(byte[], int, int)">update</A></B>(byte[] in, int inOff, int len)</CODE><BR> </TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">?? 快捷鍵說(shuō)明
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