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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 Wed Nov 07 10:29:39 EST 2007 --><TITLE>DESedeKeyGenerator (Bouncy Castle Library 1.38 API Specification)</TITLE><META NAME="keywords" CONTENT="org.bouncycastle.crypto.generators.DESedeKeyGenerator class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="DESedeKeyGenerator (Bouncy Castle Library 1.38 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"><!-- 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CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><b>Bouncy Castle Cryptography Library 1.38</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../org/bouncycastle/crypto/generators/BaseKDFBytesGenerator.html" title="class in org.bouncycastle.crypto.generators"><B>PREV CLASS</B></A> <A HREF="../../../../org/bouncycastle/crypto/generators/DESKeyGenerator.html" title="class in org.bouncycastle.crypto.generators"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?org/bouncycastle/crypto/generators/DESedeKeyGenerator.html" target="_top"><B>FRAMES</B></A> <A HREF="DESedeKeyGenerator.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 | <A HREF="#fields_inherited_from_class_org.bouncycastle.crypto.CipherKeyGenerator">FIELD</A> | <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.generators</FONT><BR>Class DESedeKeyGenerator</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../org/bouncycastle/crypto/CipherKeyGenerator.html" title="class in org.bouncycastle.crypto">org.bouncycastle.crypto.CipherKeyGenerator</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../org/bouncycastle/crypto/generators/DESKeyGenerator.html" title="class in org.bouncycastle.crypto.generators">org.bouncycastle.crypto.generators.DESKeyGenerator</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.bouncycastle.crypto.generators.DESedeKeyGenerator</B></PRE><HR><DL><DT><PRE>public class <B>DESedeKeyGenerator</B><DT>extends <A HREF="../../../../org/bouncycastle/crypto/generators/DESKeyGenerator.html" title="class in org.bouncycastle.crypto.generators">DESKeyGenerator</A></DL></PRE><P><HR><P><!-- =========== FIELD SUMMARY =========== --><A NAME="field_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>Field Summary</B></FONT></TH></TR></TABLE> <A NAME="fields_inherited_from_class_org.bouncycastle.crypto.CipherKeyGenerator"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Fields inherited from class org.bouncycastle.crypto.<A HREF="../../../../org/bouncycastle/crypto/CipherKeyGenerator.html" title="class in org.bouncycastle.crypto">CipherKeyGenerator</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../org/bouncycastle/crypto/CipherKeyGenerator.html#random">random</A>, <A HREF="../../../../org/bouncycastle/crypto/CipherKeyGenerator.html#strength">strength</A></CODE></TD></TR></TABLE> <!-- ======== 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/generators/DESedeKeyGenerator.html#DESedeKeyGenerator()">DESedeKeyGenerator</A></B>()</CODE><BR> </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> byte[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/bouncycastle/crypto/generators/DESedeKeyGenerator.html#generateKey()">generateKey</A></B>()</CODE><BR> generate a secret key.</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/generators/DESedeKeyGenerator.html#init(org.bouncycastle.crypto.KeyGenerationParameters)">init</A></B>(<A HREF="../../../../org/bouncycastle/crypto/KeyGenerationParameters.html" title="class in org.bouncycastle.crypto">KeyGenerationParameters</A> param)</CODE><BR> initialise the key generator - if strength is set to zero the key generated will be 192 bits in size, otherwise strength can be 128 or 192 (or 112 or 168 if you don't count parity bits), depending on whether you wish to do 2-key or 3-key triple DES.</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"><B>Constructor Detail</B></FONT></TH></TR></TABLE><A NAME="DESedeKeyGenerator()"><!-- --></A><H3>DESedeKeyGenerator</H3><PRE>public <B>DESedeKeyGenerator</B>()</PRE><DL></DL><!-- ============ METHOD DETAIL ========== --><A NAME="method_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"><B>Method Detail</B></FONT></TH></TR></TABLE><A NAME="init(org.bouncycastle.crypto.KeyGenerationParameters)"><!-- --></A><H3>init</H3><PRE>public void <B>init</B>(<A HREF="../../../../org/bouncycastle/crypto/KeyGenerationParameters.html" title="class in org.bouncycastle.crypto">KeyGenerationParameters</A> param)</PRE><DL><DD>initialise the key generator - if strength is set to zero the key generated will be 192 bits in size, otherwise strength can be 128 or 192 (or 112 or 168 if you don't count parity bits), depending on whether you wish to do 2-key or 3-key triple DES.<P><DD><DL><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/bouncycastle/crypto/CipherKeyGenerator.html#init(org.bouncycastle.crypto.KeyGenerationParameters)">init</A></CODE> in class <CODE><A HREF="../../../../org/bouncycastle/crypto/CipherKeyGenerator.html" title="class in org.bouncycastle.crypto">CipherKeyGenerator</A></CODE></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>param</CODE> - the parameters to be used for key generation</DL></DD></DL><HR><A NAME="generateKey()"><!-- --></A><H3>generateKey</H3><PRE>public byte[] <B>generateKey</B>()</PRE><DL><DD><B>Description copied from class: <CODE><A HREF="../../../../org/bouncycastle/crypto/CipherKeyGenerator.html#generateKey()">CipherKeyGenerator</A></CODE></B></DD><DD>generate a secret key.<P><DD><DL><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/bouncycastle/crypto/generators/DESKeyGenerator.html#generateKey()">generateKey</A></CODE> in class <CODE><A HREF="../../../../org/bouncycastle/crypto/generators/DESKeyGenerator.html" title="class in org.bouncycastle.crypto.generators">DESKeyGenerator</A></CODE></DL></DD><DD><DL><DT><B>Returns:</B><DD>a byte array containing the key value.</DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" 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_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> 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VALIGN="top" ROWSPAN=3><EM><b>Bouncy Castle Cryptography Library 1.38</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../org/bouncycastle/crypto/generators/BaseKDFBytesGenerator.html" title="class in org.bouncycastle.crypto.generators"><B>PREV CLASS</B></A> <A HREF="../../../../org/bouncycastle/crypto/generators/DESKeyGenerator.html" title="class in org.bouncycastle.crypto.generators"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?org/bouncycastle/crypto/generators/DESedeKeyGenerator.html" target="_top"><B>FRAMES</B></A> <A HREF="DESedeKeyGenerator.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 | <A HREF="#fields_inherited_from_class_org.bouncycastle.crypto.CipherKeyGenerator">FIELD</A> | <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_bottom"></A><!-- ======== END OF BOTTOM NAVBAR ======= --><HR></BODY></HTML>⌨️ 快捷键说明
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