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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Thu Apr 27 23:24:11 PDT 2000 --><TITLE>Java 2 Platform SE v1.3: Uses of Class java.security.SignatureException</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../java/security/SignatureException.html"><FONT CLASS="NavBarFont1"><B>Class</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Use</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-files/index-1.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><b>Java<sup><font size=-2>TM</font></sup> 2 Platform<br>Std. Ed. v1.3</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> PREV NEXT</FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="SignatureException.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><CENTER><H2><B>Uses of Class<br>java.security.SignatureException</B></H2></CENTER><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2">Packages that use <A HREF="../../../java/security/SignatureException.html">SignatureException</A></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.security"><B>java.security</B></A></TD><TD>Provides the classes and interfaces for the security framework. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#java.security.cert"><B>java.security.cert</B></A></TD><TD>Provides classes and interfaces for parsing and managingcertificates. </TD></TR></TABLE> <P><A NAME="java.security"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2">Uses of <A HREF="../../../java/security/SignatureException.html">SignatureException</A> in <A HREF="../../../java/security/package-summary.html">java.security</A></FONT></TD></TR></TABLE> <P><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"><TD COLSPAN=2>Methods in <A HREF="../../../java/security/package-summary.html">java.security</A> that throw <A HREF="../../../java/security/SignatureException.html">SignatureException</A></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected abstract void</CODE></FONT></TD><TD><CODE><B>SignatureSpi.</B><B><A HREF="../../../java/security/SignatureSpi.html#engineUpdate(byte)">engineUpdate</A></B>(byte b)</CODE><BR> Updates the data to be signed or verified using the specified byte.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected abstract void</CODE></FONT></TD><TD><CODE><B>SignatureSpi.</B><B><A HREF="../../../java/security/SignatureSpi.html#engineUpdate(byte[], int, int)">engineUpdate</A></B>(byte[] b, int off, int len)</CODE><BR> Updates the data to be signed or verified, using the specified array of bytes, starting at the specified offset.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected abstract byte[]</CODE></FONT></TD><TD><CODE><B>SignatureSpi.</B><B><A HREF="../../../java/security/SignatureSpi.html#engineSign()">engineSign</A></B>()</CODE><BR> Returns the signature bytes of all the data updated so far.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected int</CODE></FONT></TD><TD><CODE><B>SignatureSpi.</B><B><A HREF="../../../java/security/SignatureSpi.html#engineSign(byte[], int, int)">engineSign</A></B>(byte[] outbuf, int offset, int len)</CODE><BR> Finishes this signature operation and stores the resulting signature bytes in the provided buffer <code>outbuf</code>, starting at <code>offset</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected abstract boolean</CODE></FONT></TD><TD><CODE><B>SignatureSpi.</B><B><A HREF="../../../java/security/SignatureSpi.html#engineVerify(byte[])">engineVerify</A></B>(byte[] sigBytes)</CODE><BR> Verifies the passed-in signature.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B>SignedObject.</B><B><A HREF="../../../java/security/SignedObject.html#verify(java.security.PublicKey, java.security.Signature)">verify</A></B>(<A HREF="../../../java/security/PublicKey.html">PublicKey</A> verificationKey, <A HREF="../../../java/security/Signature.html">Signature</A> verificationEngine)</CODE><BR> Verifies that the signature in this SignedObject is the valid signature for the object stored inside, with the given verification key, using the designated verification engine.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> byte[]</CODE></FONT></TD><TD><CODE><B>Signature.</B><B><A HREF="../../../java/security/Signature.html#sign()">sign</A></B>()</CODE><BR> Returns the signature bytes of all the data updated.</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>Signature.</B><B><A HREF="../../../java/security/Signature.html#sign(byte[], int, int)">sign</A></B>(byte[] outbuf, int offset, int len)</CODE>⌨️ 快捷键说明
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