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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 15:50:37 EST 2006 --><TITLE>ECUtil (Bouncy Castle Library 1.34 API Specification)</TITLE><META NAME="keywords" CONTENT="org.bouncycastle.jce.provider.ECUtil class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="ECUtil (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" CELLPADDING="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/jce/provider/EC5Util.html" title="class in org.bouncycastle.jce.provider"><B>PREV CLASS</B></A> <A HREF="../../../../org/bouncycastle/jce/provider/ElGamalUtil.html" title="class in org.bouncycastle.jce.provider"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?org/bouncycastle/jce/provider/ECUtil.html" target="_top"><B>FRAMES</B></A> <A HREF="ECUtil.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.jce.provider</FONT><BR>Class ECUtil</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.bouncycastle.jce.provider.ECUtil</B></PRE><HR><DL><DT><PRE>public class <B>ECUtil</B><DT>extends java.lang.Object</DL></PRE><P>utility class for converting jce/jca ECDSA, ECDH, and ECDHC objects into their org.bouncycastle.crypto counterparts.<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/jce/provider/ECUtil.html#ECUtil()">ECUtil</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>static java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/bouncycastle/jce/provider/ECUtil.html#getCurveName(org.bouncycastle.asn1.DERObjectIdentifier)">getCurveName</A></B>(<A HREF="../../../../org/bouncycastle/asn1/DERObjectIdentifier.html" title="class in org.bouncycastle.asn1">DERObjectIdentifier</A> oid)</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../../org/bouncycastle/asn1/x9/X9ECParameters.html" title="class in org.bouncycastle.asn1.x9">X9ECParameters</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/bouncycastle/jce/provider/ECUtil.html#getNamedCurveByOid(org.bouncycastle.asn1.DERObjectIdentifier)">getNamedCurveByOid</A></B>(<A HREF="../../../../org/bouncycastle/asn1/DERObjectIdentifier.html" title="class in org.bouncycastle.asn1">DERObjectIdentifier</A> oid)</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../../org/bouncycastle/asn1/DERObjectIdentifier.html" title="class in org.bouncycastle.asn1">DERObjectIdentifier</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/bouncycastle/jce/provider/ECUtil.html#getNamedCurveOid(java.lang.String)">getNamedCurveOid</A></B>(java.lang.String name)</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"><B>Constructor Detail</B></FONT></TH></TR></TABLE><A NAME="ECUtil()"><!-- --></A><H3>ECUtil</H3><PRE>public <B>ECUtil</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="getNamedCurveOid(java.lang.String)"><!-- --></A><H3>getNamedCurveOid</H3><PRE>public static <A HREF="../../../../org/bouncycastle/asn1/DERObjectIdentifier.html" title="class in org.bouncycastle.asn1">DERObjectIdentifier</A> <B>getNamedCurveOid</B>(java.lang.String name)</PRE><DL><DD><DL></DL></DD></DL><HR><A NAME="getNamedCurveByOid(org.bouncycastle.asn1.DERObjectIdentifier)"><!-- --></A><H3>getNamedCurveByOid</H3><PRE>public static <A HREF="../../../../org/bouncycastle/asn1/x9/X9ECParameters.html" title="class in org.bouncycastle.asn1.x9">X9ECParameters</A> <B>getNamedCurveByOid</B>(<A HREF="../../../../org/bouncycastle/asn1/DERObjectIdentifier.html" title="class in org.bouncycastle.asn1">DERObjectIdentifier</A> oid)</PRE><DL><DD><DL></DL></DD></DL><HR><A NAME="getCurveName(org.bouncycastle.asn1.DERObjectIdentifier)"><!-- --></A><H3>getCurveName</H3><PRE>public static java.lang.String <B>getCurveName</B>(<A HREF="../../../../org/bouncycastle/asn1/DERObjectIdentifier.html" title="class in org.bouncycastle.asn1">DERObjectIdentifier</A> oid)</PRE><DL><DD><DL></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=""> <TR ALIGN="center" VALIGN="top"> <TD 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Cryptography Library 1.34</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../org/bouncycastle/jce/provider/EC5Util.html" title="class in org.bouncycastle.jce.provider"><B>PREV CLASS</B></A> <A HREF="../../../../org/bouncycastle/jce/provider/ElGamalUtil.html" title="class in org.bouncycastle.jce.provider"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?org/bouncycastle/jce/provider/ECUtil.html" target="_top"><B>FRAMES</B></A> <A HREF="ECUtil.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 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