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SecurityUtils (Rice Pastry - API Specifications)
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SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD>
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rice.p2p.util</FONT>
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Class SecurityUtils</H2>
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<PRE>
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java.lang.Object
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<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>rice.p2p.util.SecurityUtils</B>
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</PRE>
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<DL>
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<DT><PRE>public class <B>SecurityUtils</B><DT>extends java.lang.Object</DL>
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</PRE>
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<P>
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This class contains a large number of static methods for performing
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security-related primitives, such as encrypt, decrypt, etc...
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<P>
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<P>
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<DL>
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<DT><B>Version:</B></DT>
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<DD>$Id: SecurityUtils.java 4167 2008-03-28 15:26:37Z jstewart $</DD>
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<DT><B>Author:</B></DT>
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<DD>amislove</DD>
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</DL>
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<P>
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<!-- =========== FIELD SUMMARY =========== -->
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
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<B>Field Summary</B></FONT></TH>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static java.lang.String</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#APOP_ALGORITHM">APOP_ALGORITHM</A></B></CODE>
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<BR>
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The name of the apop function.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static java.lang.String</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#ASYMMETRIC_ALGORITHM">ASYMMETRIC_ALGORITHM</A></B></CODE>
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<BR>
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The name of the asymmetric cipher to use.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static java.lang.String</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#ASYMMETRIC_GENERATOR">ASYMMETRIC_GENERATOR</A></B></CODE>
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<BR>
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The name of the asymmetric generator to use.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static java.lang.String</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#DEPRECATED_ASYMMETRIC_ALGORITHM">DEPRECATED_ASYMMETRIC_ALGORITHM</A></B></CODE>
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<BR>
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</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static java.lang.String</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#HASH_ALGORITHM">HASH_ALGORITHM</A></B></CODE>
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<BR>
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The name of the hash function.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static java.lang.String</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#HMAC_ALGORITHM">HMAC_ALGORITHM</A></B></CODE>
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<BR>
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The name of the hmac function.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static byte[]</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#HMAC_IPAD">HMAC_IPAD</A></B></CODE>
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<BR>
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The ipad byte array for use in hmac</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static byte</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#HMAC_IPAD_BYTE">HMAC_IPAD_BYTE</A></B></CODE>
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<BR>
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The ipad of hmac keys, as defined in RFC 2195</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static int</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#HMAC_KEY_LENGTH">HMAC_KEY_LENGTH</A></B></CODE>
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<BR>
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The length of hmac keys</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static byte[]</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#HMAC_OPAD">HMAC_OPAD</A></B></CODE>
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<BR>
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The opad byte array for use in hmac</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static byte</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#HMAC_OPAD_BYTE">HMAC_OPAD_BYTE</A></B></CODE>
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<BR>
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The opad of hmac keys, as defined in RFC 2195</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static java.lang.String</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#SIGNATURE_ALGORITHM">SIGNATURE_ALGORITHM</A></B></CODE>
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<BR>
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The name of the signature algorithm to use.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static java.lang.String</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#SYMMETRIC_ALGORITHM">SYMMETRIC_ALGORITHM</A></B></CODE>
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<BR>
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The name of the symmetric cipher to use.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static java.lang.String</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#SYMMETRIC_GENERATOR">SYMMETRIC_GENERATOR</A></B></CODE>
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<BR>
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The name of the symmetric cipher to use.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static int</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#SYMMETRIC_IV_LENGTH">SYMMETRIC_IV_LENGTH</A></B></CODE>
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<BR>
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The length of the symmetric keys</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static int</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#SYMMETRIC_KEY_LENGTH">SYMMETRIC_KEY_LENGTH</A></B></CODE>
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<BR>
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The length of the symmetric keys</TD>
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</TR>
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</TABLE>
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<!-- ========== METHOD SUMMARY =========== -->
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<A NAME="method_summary"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
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<B>Method Summary</B></FONT></TH>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static byte[]</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#apop(byte[], byte[])">apop</A></B>(byte[] challenge,
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byte[] password)</CODE>
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<BR>
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Utility method for determining the apop of a challenge and password using a secure hashing
|
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algorithm.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static java.security.PrivateKey</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#decodePrivateKey(byte[])">decodePrivateKey</A></B>(byte[] data)</CODE>
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<BR>
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Utility method which will decode a previously encoded private key</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static java.security.PublicKey</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#decodePublicKey(byte[])">decodePublicKey</A></B>(byte[] data)</CODE>
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<BR>
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Utility method which will decode a previously encoded public key</TD>
|
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static byte[]</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#decryptAsymmetric(byte[], java.security.PrivateKey)">decryptAsymmetric</A></B>(byte[] data,
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java.security.PrivateKey key)</CODE>
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<BR>
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Decrypts the given byte[] using the provided private key.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static byte[]</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#decryptSymmetric(byte[], byte[])">decryptSymmetric</A></B>(byte[] data,
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byte[] key)</CODE>
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<BR>
|
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Utility method for decrypting some data with symmetric encryption.</TD>
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</TR>
|
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static byte[]</CODE></FONT></TD>
|
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#decryptSymmetric(byte[], byte[], byte[])">decryptSymmetric</A></B>(byte[] data,
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byte[] key,
|
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byte[] iv)</CODE>
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<BR>
|
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Utility method for decrypting some data with symmetric encryption.</TD>
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</TR>
|
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static java.lang.Object</CODE></FONT></TD>
|
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#deserialize(byte[])">deserialize</A></B>(byte[] data)</CODE>
|
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|
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<BR>
|
|
Utility method for deserializing an object from a byte[]</TD>
|
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</TR>
|
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<TR BGCOLOR="white" CLASS="TableRowColor">
|
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static byte[]</CODE></FONT></TD>
|
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#encodePrivateKey(java.security.PrivateKey)">encodePrivateKey</A></B>(java.security.PrivateKey key)</CODE>
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<BR>
|
|
Utility method which will encode a private key</TD>
|
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</TR>
|
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<TR BGCOLOR="white" CLASS="TableRowColor">
|
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
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<CODE>static byte[]</CODE></FONT></TD>
|
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#encodePublicKey(java.security.PublicKey)">encodePublicKey</A></B>(java.security.PublicKey key)</CODE>
|
|
|
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<BR>
|
|
Utility method which will encode a public key</TD>
|
|
</TR>
|
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<TR BGCOLOR="white" CLASS="TableRowColor">
|
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static byte[]</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#encryptAsymmetric(byte[], java.security.PublicKey)">encryptAsymmetric</A></B>(byte[] data,
|
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java.security.PublicKey key)</CODE>
|
|
|
|
<BR>
|
|
Encrypts the given byte[] using the provided public key.</TD>
|
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</TR>
|
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<TR BGCOLOR="white" CLASS="TableRowColor">
|
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
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<CODE>static byte[]</CODE></FONT></TD>
|
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#encryptSymmetric(byte[], byte[])">encryptSymmetric</A></B>(byte[] data,
|
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byte[] key)</CODE>
|
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|
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<BR>
|
|
Utility method for encrypting a block of data with symmetric encryption.</TD>
|
|
</TR>
|
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<TR BGCOLOR="white" CLASS="TableRowColor">
|
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
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<CODE>static byte[]</CODE></FONT></TD>
|
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#encryptSymmetric(byte[], byte[], byte[])">encryptSymmetric</A></B>(byte[] data,
|
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byte[] key,
|
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byte[] iv)</CODE>
|
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|
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<BR>
|
|
Utility method for encrypting a block of data with symmetric encryption.</TD>
|
|
</TR>
|
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<TR BGCOLOR="white" CLASS="TableRowColor">
|
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
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<CODE>static byte[]</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#encryptSymmetric(byte[], byte[], int, int)">encryptSymmetric</A></B>(byte[] data,
|
|
byte[] key,
|
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int offset,
|
|
int length)</CODE>
|
|
|
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<BR>
|
|
Utility method for encrypting a block of data with symmetric encryption.</TD>
|
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</TR>
|
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<TR BGCOLOR="white" CLASS="TableRowColor">
|
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static byte[]</CODE></FONT></TD>
|
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<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#encryptSymmetric(byte[], byte[], int, int, byte[])">encryptSymmetric</A></B>(byte[] data,
|
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byte[] key,
|
|
int offset,
|
|
int length,
|
|
byte[] iv)</CODE>
|
|
|
|
<BR>
|
|
Utility method for encrypting a block of data with symmetric encryption.</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE>static byte[]</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#generateIVSymmetric()">generateIVSymmetric</A></B>()</CODE>
|
|
|
|
<BR>
|
|
Utility method which will generate a random intialization vector for
|
|
applications to use.</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE>static java.security.KeyPair</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#generateKeyAsymmetric()">generateKeyAsymmetric</A></B>()</CODE>
|
|
|
|
<BR>
|
|
Utility method which will generate a non-weak DES key for applications to
|
|
use.</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE>static byte[]</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#generateKeySymmetric()">generateKeySymmetric</A></B>()</CODE>
|
|
|
|
<BR>
|
|
Utility method which will generate a non-weak DES key for applications to
|
|
use.</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE>static byte[]</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#hash(byte[])">hash</A></B>(byte[] input)</CODE>
|
|
|
|
<BR>
|
|
Utility method for determining the hash of a byte[] using a secure hashing
|
|
algorithm.</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE>static byte[]</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#hmac(byte[], byte[])">hmac</A></B>(byte[] key,
|
|
byte[] text)</CODE>
|
|
|
|
<BR>
|
|
Utility method for determining the hmac of a byte[] and key using a secure hashing
|
|
algorithm.</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE>static byte[]</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#serialize(java.lang.Object)">serialize</A></B>(java.lang.Object o)</CODE>
|
|
|
|
<BR>
|
|
Utility method for serializing an object to a byte[].</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE>static byte[]</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#sign(byte[], java.security.PrivateKey)">sign</A></B>(byte[] data,
|
|
java.security.PrivateKey key)</CODE>
|
|
|
|
<BR>
|
|
Utility method for signing a block of data with the a private key</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE>static boolean</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../../rice/p2p/util/SecurityUtils.html#verify(byte[], byte[], java.security.PublicKey)">verify</A></B>(byte[] data,
|
|
byte[] sig,
|
|
java.security.PublicKey key)</CODE>
|
|
|
|
<BR>
|
|
Utility method for verifying a signature</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>
|
|
|
|
<!-- ============ FIELD DETAIL =========== -->
|
|
|
|
<A NAME="field_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>Field Detail</B></FONT></TH>
|
|
</TR>
|
|
</TABLE>
|
|
|
|
<A NAME="ASYMMETRIC_ALGORITHM"><!-- --></A><H3>
|
|
ASYMMETRIC_ALGORITHM</H3>
|
|
<PRE>
|
|
public static final java.lang.String <B>ASYMMETRIC_ALGORITHM</B></PRE>
|
|
<DL>
|
|
<DD>The name of the asymmetric cipher to use.
|
|
<P>
|
|
<DL>
|
|
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#rice.p2p.util.SecurityUtils.ASYMMETRIC_ALGORITHM">Constant Field Values</A></DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="DEPRECATED_ASYMMETRIC_ALGORITHM"><!-- --></A><H3>
|
|
DEPRECATED_ASYMMETRIC_ALGORITHM</H3>
|
|
<PRE>
|
|
public static final java.lang.String <B>DEPRECATED_ASYMMETRIC_ALGORITHM</B></PRE>
|
|
<DL>
|
|
<DL>
|
|
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#rice.p2p.util.SecurityUtils.DEPRECATED_ASYMMETRIC_ALGORITHM">Constant Field Values</A></DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="SYMMETRIC_ALGORITHM"><!-- --></A><H3>
|
|
SYMMETRIC_ALGORITHM</H3>
|
|
<PRE>
|
|
public static final java.lang.String <B>SYMMETRIC_ALGORITHM</B></PRE>
|
|
<DL>
|
|
<DD>The name of the symmetric cipher to use.
|
|
<P>
|
|
<DL>
|
|
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#rice.p2p.util.SecurityUtils.SYMMETRIC_ALGORITHM">Constant Field Values</A></DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="ASYMMETRIC_GENERATOR"><!-- --></A><H3>
|
|
ASYMMETRIC_GENERATOR</H3>
|
|
<PRE>
|
|
public static final java.lang.String <B>ASYMMETRIC_GENERATOR</B></PRE>
|
|
<DL>
|
|
<DD>The name of the asymmetric generator to use.
|
|
<P>
|
|
<DL>
|
|
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#rice.p2p.util.SecurityUtils.ASYMMETRIC_GENERATOR">Constant Field Values</A></DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="SYMMETRIC_GENERATOR"><!-- --></A><H3>
|
|
SYMMETRIC_GENERATOR</H3>
|
|
<PRE>
|
|
public static final java.lang.String <B>SYMMETRIC_GENERATOR</B></PRE>
|
|
<DL>
|
|
<DD>The name of the symmetric cipher to use.
|
|
<P>
|
|
<DL>
|
|
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#rice.p2p.util.SecurityUtils.SYMMETRIC_GENERATOR">Constant Field Values</A></DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="SIGNATURE_ALGORITHM"><!-- --></A><H3>
|
|
SIGNATURE_ALGORITHM</H3>
|
|
<PRE>
|
|
public static final java.lang.String <B>SIGNATURE_ALGORITHM</B></PRE>
|
|
<DL>
|
|
<DD>The name of the signature algorithm to use.
|
|
<P>
|
|
<DL>
|
|
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#rice.p2p.util.SecurityUtils.SIGNATURE_ALGORITHM">Constant Field Values</A></DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="SYMMETRIC_KEY_LENGTH"><!-- --></A><H3>
|
|
SYMMETRIC_KEY_LENGTH</H3>
|
|
<PRE>
|
|
public static final int <B>SYMMETRIC_KEY_LENGTH</B></PRE>
|
|
<DL>
|
|
<DD>The length of the symmetric keys
|
|
<P>
|
|
<DL>
|
|
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#rice.p2p.util.SecurityUtils.SYMMETRIC_KEY_LENGTH">Constant Field Values</A></DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="SYMMETRIC_IV_LENGTH"><!-- --></A><H3>
|
|
SYMMETRIC_IV_LENGTH</H3>
|
|
<PRE>
|
|
public static final int <B>SYMMETRIC_IV_LENGTH</B></PRE>
|
|
<DL>
|
|
<DD>The length of the symmetric keys
|
|
<P>
|
|
<DL>
|
|
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#rice.p2p.util.SecurityUtils.SYMMETRIC_IV_LENGTH">Constant Field Values</A></DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="HASH_ALGORITHM"><!-- --></A><H3>
|
|
HASH_ALGORITHM</H3>
|
|
<PRE>
|
|
public static final java.lang.String <B>HASH_ALGORITHM</B></PRE>
|
|
<DL>
|
|
<DD>The name of the hash function.
|
|
<P>
|
|
<DL>
|
|
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#rice.p2p.util.SecurityUtils.HASH_ALGORITHM">Constant Field Values</A></DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="HMAC_ALGORITHM"><!-- --></A><H3>
|
|
HMAC_ALGORITHM</H3>
|
|
<PRE>
|
|
public static final java.lang.String <B>HMAC_ALGORITHM</B></PRE>
|
|
<DL>
|
|
<DD>The name of the hmac function.
|
|
<P>
|
|
<DL>
|
|
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#rice.p2p.util.SecurityUtils.HMAC_ALGORITHM">Constant Field Values</A></DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="APOP_ALGORITHM"><!-- --></A><H3>
|
|
APOP_ALGORITHM</H3>
|
|
<PRE>
|
|
public static final java.lang.String <B>APOP_ALGORITHM</B></PRE>
|
|
<DL>
|
|
<DD>The name of the apop function.
|
|
<P>
|
|
<DL>
|
|
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#rice.p2p.util.SecurityUtils.APOP_ALGORITHM">Constant Field Values</A></DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="HMAC_KEY_LENGTH"><!-- --></A><H3>
|
|
HMAC_KEY_LENGTH</H3>
|
|
<PRE>
|
|
public static final int <B>HMAC_KEY_LENGTH</B></PRE>
|
|
<DL>
|
|
<DD>The length of hmac keys
|
|
<P>
|
|
<DL>
|
|
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#rice.p2p.util.SecurityUtils.HMAC_KEY_LENGTH">Constant Field Values</A></DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="HMAC_IPAD_BYTE"><!-- --></A><H3>
|
|
HMAC_IPAD_BYTE</H3>
|
|
<PRE>
|
|
public static final byte <B>HMAC_IPAD_BYTE</B></PRE>
|
|
<DL>
|
|
<DD>The ipad of hmac keys, as defined in RFC 2195
|
|
<P>
|
|
<DL>
|
|
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#rice.p2p.util.SecurityUtils.HMAC_IPAD_BYTE">Constant Field Values</A></DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="HMAC_OPAD_BYTE"><!-- --></A><H3>
|
|
HMAC_OPAD_BYTE</H3>
|
|
<PRE>
|
|
public static final byte <B>HMAC_OPAD_BYTE</B></PRE>
|
|
<DL>
|
|
<DD>The opad of hmac keys, as defined in RFC 2195
|
|
<P>
|
|
<DL>
|
|
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#rice.p2p.util.SecurityUtils.HMAC_OPAD_BYTE">Constant Field Values</A></DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="HMAC_IPAD"><!-- --></A><H3>
|
|
HMAC_IPAD</H3>
|
|
<PRE>
|
|
public static final byte[] <B>HMAC_IPAD</B></PRE>
|
|
<DL>
|
|
<DD>The ipad byte array for use in hmac
|
|
<P>
|
|
<DL>
|
|
</DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="HMAC_OPAD"><!-- --></A><H3>
|
|
HMAC_OPAD</H3>
|
|
<PRE>
|
|
public static final byte[] <B>HMAC_OPAD</B></PRE>
|
|
<DL>
|
|
<DD>The opad byte array for use in hmac
|
|
<P>
|
|
<DL>
|
|
</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="serialize(java.lang.Object)"><!-- --></A><H3>
|
|
serialize</H3>
|
|
<PRE>
|
|
public static byte[] <B>serialize</B>(java.lang.Object o)
|
|
throws java.io.IOException</PRE>
|
|
<DL>
|
|
<DD>Utility method for serializing an object to a byte[].
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>o</CODE> - The object to serialize
|
|
<DT><B>Returns:</B><DD>The byte[] of the object
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.io.IOException</CODE> - If serialization does not happen properly</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="deserialize(byte[])"><!-- --></A><H3>
|
|
deserialize</H3>
|
|
<PRE>
|
|
public static java.lang.Object <B>deserialize</B>(byte[] data)
|
|
throws java.io.IOException,
|
|
java.lang.ClassNotFoundException</PRE>
|
|
<DL>
|
|
<DD>Utility method for deserializing an object from a byte[]
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>data</CODE> - The data to deserialize
|
|
<DT><B>Returns:</B><DD>The object
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.io.IOException</CODE> - If deserialization does not happen properly
|
|
<DD><CODE>java.lang.ClassNotFoundException</CODE> - If the deserialized class is not found</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="hash(byte[])"><!-- --></A><H3>
|
|
hash</H3>
|
|
<PRE>
|
|
public static byte[] <B>hash</B>(byte[] input)
|
|
throws java.lang.SecurityException</PRE>
|
|
<DL>
|
|
<DD>Utility method for determining the hash of a byte[] using a secure hashing
|
|
algorithm.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>input</CODE> - The input
|
|
<DT><B>Returns:</B><DD>The hash value
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.SecurityException</CODE> - If the hashing does not happen properly</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="apop(byte[], byte[])"><!-- --></A><H3>
|
|
apop</H3>
|
|
<PRE>
|
|
public static byte[] <B>apop</B>(byte[] challenge,
|
|
byte[] password)
|
|
throws java.lang.SecurityException</PRE>
|
|
<DL>
|
|
<DD>Utility method for determining the apop of a challenge and password using a secure hashing
|
|
algorithm.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>password</CODE> - The password<DD><CODE>challenge</CODE> - The challengr
|
|
<DT><B>Returns:</B><DD>The hash value
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.SecurityException</CODE> - If the hashing does not happen properly</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="hmac(byte[], byte[])"><!-- --></A><H3>
|
|
hmac</H3>
|
|
<PRE>
|
|
public static byte[] <B>hmac</B>(byte[] key,
|
|
byte[] text)
|
|
throws java.lang.SecurityException</PRE>
|
|
<DL>
|
|
<DD>Utility method for determining the hmac of a byte[] and key using a secure hashing
|
|
algorithm.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>text</CODE> - The text<DD><CODE>key</CODE> - The key
|
|
<DT><B>Returns:</B><DD>The hmac value
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.SecurityException</CODE> - If the hmacing does not happen properly</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="encryptSymmetric(byte[], byte[])"><!-- --></A><H3>
|
|
encryptSymmetric</H3>
|
|
<PRE>
|
|
public static byte[] <B>encryptSymmetric</B>(byte[] data,
|
|
byte[] key)
|
|
throws java.lang.SecurityException</PRE>
|
|
<DL>
|
|
<DD>Utility method for encrypting a block of data with symmetric encryption.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>data</CODE> - The data<DD><CODE>key</CODE> - The key
|
|
<DT><B>Returns:</B><DD>The ciphertext
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.SecurityException</CODE> - If the encryption does not happen properly</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="encryptSymmetric(byte[], byte[], byte[])"><!-- --></A><H3>
|
|
encryptSymmetric</H3>
|
|
<PRE>
|
|
public static byte[] <B>encryptSymmetric</B>(byte[] data,
|
|
byte[] key,
|
|
byte[] iv)
|
|
throws java.lang.SecurityException</PRE>
|
|
<DL>
|
|
<DD>Utility method for encrypting a block of data with symmetric encryption.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>data</CODE> - The data<DD><CODE>key</CODE> - The key<DD><CODE>iv</CODE> - The initialization vector
|
|
<DT><B>Returns:</B><DD>The ciphertext
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.SecurityException</CODE> - If the encryption does not happen properly</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="encryptSymmetric(byte[], byte[], int, int)"><!-- --></A><H3>
|
|
encryptSymmetric</H3>
|
|
<PRE>
|
|
public static byte[] <B>encryptSymmetric</B>(byte[] data,
|
|
byte[] key,
|
|
int offset,
|
|
int length)
|
|
throws java.lang.SecurityException</PRE>
|
|
<DL>
|
|
<DD>Utility method for encrypting a block of data with symmetric encryption.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>data</CODE> - The data<DD><CODE>key</CODE> - The key<DD><CODE>offset</CODE> - The offset into the data<DD><CODE>length</CODE> - The length of data to write<DD><CODE>iv</CODE> - The initialization vector
|
|
<DT><B>Returns:</B><DD>The ciphertext
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.SecurityException</CODE> - If the encryption does not happen properly</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="encryptSymmetric(byte[], byte[], int, int, byte[])"><!-- --></A><H3>
|
|
encryptSymmetric</H3>
|
|
<PRE>
|
|
public static byte[] <B>encryptSymmetric</B>(byte[] data,
|
|
byte[] key,
|
|
int offset,
|
|
int length,
|
|
byte[] iv)
|
|
throws java.lang.SecurityException</PRE>
|
|
<DL>
|
|
<DD>Utility method for encrypting a block of data with symmetric encryption.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>data</CODE> - The data<DD><CODE>key</CODE> - The key<DD><CODE>offset</CODE> - The offset into the data<DD><CODE>length</CODE> - The length of data to write<DD><CODE>iv</CODE> - The initialization vector
|
|
<DT><B>Returns:</B><DD>The ciphertext
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.SecurityException</CODE> - If the encryption does not happen properly</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="decryptSymmetric(byte[], byte[])"><!-- --></A><H3>
|
|
decryptSymmetric</H3>
|
|
<PRE>
|
|
public static byte[] <B>decryptSymmetric</B>(byte[] data,
|
|
byte[] key)
|
|
throws java.lang.SecurityException</PRE>
|
|
<DL>
|
|
<DD>Utility method for decrypting some data with symmetric encryption.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>data</CODE> - The data to decrypt<DD><CODE>key</CODE> - The key
|
|
<DT><B>Returns:</B><DD>The decrypted data
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.SecurityException</CODE> - If the decryption does not happen properly</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="decryptSymmetric(byte[], byte[], byte[])"><!-- --></A><H3>
|
|
decryptSymmetric</H3>
|
|
<PRE>
|
|
public static byte[] <B>decryptSymmetric</B>(byte[] data,
|
|
byte[] key,
|
|
byte[] iv)
|
|
throws java.lang.SecurityException</PRE>
|
|
<DL>
|
|
<DD>Utility method for decrypting some data with symmetric encryption.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>data</CODE> - The data to decrypt<DD><CODE>key</CODE> - The key<DD><CODE>iv</CODE> - The initialization vector
|
|
<DT><B>Returns:</B><DD>The decrypted data
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.SecurityException</CODE> - If the decryption does not happen properly</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="sign(byte[], java.security.PrivateKey)"><!-- --></A><H3>
|
|
sign</H3>
|
|
<PRE>
|
|
public static byte[] <B>sign</B>(byte[] data,
|
|
java.security.PrivateKey key)
|
|
throws java.lang.SecurityException</PRE>
|
|
<DL>
|
|
<DD>Utility method for signing a block of data with the a private key
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>data</CODE> - The data<DD><CODE>key</CODE> - The key to use to sign
|
|
<DT><B>Returns:</B><DD>The signature
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.SecurityException</CODE> - If the signing does not happen properly</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="verify(byte[], byte[], java.security.PublicKey)"><!-- --></A><H3>
|
|
verify</H3>
|
|
<PRE>
|
|
public static boolean <B>verify</B>(byte[] data,
|
|
byte[] sig,
|
|
java.security.PublicKey key)
|
|
throws java.lang.SecurityException</PRE>
|
|
<DL>
|
|
<DD>Utility method for verifying a signature
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>data</CODE> - The data to verify<DD><CODE>sig</CODE> - The proposed signature<DD><CODE>key</CODE> - The key to verify against
|
|
<DT><B>Returns:</B><DD>Whether or not the sig matches.
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.SecurityException</CODE> - If the verification does not happen properly</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="encryptAsymmetric(byte[], java.security.PublicKey)"><!-- --></A><H3>
|
|
encryptAsymmetric</H3>
|
|
<PRE>
|
|
public static byte[] <B>encryptAsymmetric</B>(byte[] data,
|
|
java.security.PublicKey key)
|
|
throws java.lang.SecurityException</PRE>
|
|
<DL>
|
|
<DD>Encrypts the given byte[] using the provided public key. TO DO: Check
|
|
length of input
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>data</CODE> - The data to encrypt<DD><CODE>key</CODE> - The key to encrypt with
|
|
<DT><B>Returns:</B><DD>The encrypted data
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.SecurityException</CODE> - If the encryption does not happen properly</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="decryptAsymmetric(byte[], java.security.PrivateKey)"><!-- --></A><H3>
|
|
decryptAsymmetric</H3>
|
|
<PRE>
|
|
public static byte[] <B>decryptAsymmetric</B>(byte[] data,
|
|
java.security.PrivateKey key)
|
|
throws java.lang.SecurityException</PRE>
|
|
<DL>
|
|
<DD>Decrypts the given byte[] using the provided private key. TO DO: Check
|
|
length of input
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>data</CODE> - The data to decrypt<DD><CODE>key</CODE> - The private key to use
|
|
<DT><B>Returns:</B><DD>The decrypted data
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.SecurityException</CODE> - If the decryption does not happen properly</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="generateKeySymmetric()"><!-- --></A><H3>
|
|
generateKeySymmetric</H3>
|
|
<PRE>
|
|
public static byte[] <B>generateKeySymmetric</B>()</PRE>
|
|
<DL>
|
|
<DD>Utility method which will generate a non-weak DES key for applications to
|
|
use.
|
|
<P>
|
|
<DD><DL>
|
|
|
|
<DT><B>Returns:</B><DD>A new, random DES key</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="encodePublicKey(java.security.PublicKey)"><!-- --></A><H3>
|
|
encodePublicKey</H3>
|
|
<PRE>
|
|
public static byte[] <B>encodePublicKey</B>(java.security.PublicKey key)</PRE>
|
|
<DL>
|
|
<DD>Utility method which will encode a public key
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>key</CODE> - The key to encode
|
|
<DT><B>Returns:</B><DD>An encoded public key</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="decodePublicKey(byte[])"><!-- --></A><H3>
|
|
decodePublicKey</H3>
|
|
<PRE>
|
|
public static java.security.PublicKey <B>decodePublicKey</B>(byte[] data)
|
|
throws java.lang.SecurityException</PRE>
|
|
<DL>
|
|
<DD>Utility method which will decode a previously encoded public key
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>data</CODE> - The previously encoded key
|
|
<DT><B>Returns:</B><DD>The key
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.SecurityException</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="encodePrivateKey(java.security.PrivateKey)"><!-- --></A><H3>
|
|
encodePrivateKey</H3>
|
|
<PRE>
|
|
public static byte[] <B>encodePrivateKey</B>(java.security.PrivateKey key)</PRE>
|
|
<DL>
|
|
<DD>Utility method which will encode a private key
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>key</CODE> - The key to encode
|
|
<DT><B>Returns:</B><DD>An encoded public key</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="decodePrivateKey(byte[])"><!-- --></A><H3>
|
|
decodePrivateKey</H3>
|
|
<PRE>
|
|
public static java.security.PrivateKey <B>decodePrivateKey</B>(byte[] data)
|
|
throws java.lang.SecurityException</PRE>
|
|
<DL>
|
|
<DD>Utility method which will decode a previously encoded private key
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>data</CODE> - The previously encoded key
|
|
<DT><B>Returns:</B><DD>The key
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE>java.lang.SecurityException</CODE></DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="generateIVSymmetric()"><!-- --></A><H3>
|
|
generateIVSymmetric</H3>
|
|
<PRE>
|
|
public static byte[] <B>generateIVSymmetric</B>()</PRE>
|
|
<DL>
|
|
<DD>Utility method which will generate a random intialization vector for
|
|
applications to use.
|
|
<P>
|
|
<DD><DL>
|
|
|
|
<DT><B>Returns:</B><DD>A new, random DES initialization vector</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="generateKeyAsymmetric()"><!-- --></A><H3>
|
|
generateKeyAsymmetric</H3>
|
|
<PRE>
|
|
public static java.security.KeyPair <B>generateKeyAsymmetric</B>()</PRE>
|
|
<DL>
|
|
<DD>Utility method which will generate a non-weak DES key for applications to
|
|
use.
|
|
<P>
|
|
<DD><DL>
|
|
|
|
<DT><B>Returns:</B><DD>A new, random DES key</DL>
|
|
</DD>
|
|
</DL>
|
|
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