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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 23:36:00 PDT 2000 --><TITLE>Java 2 Platform SE v1.3: Class KeyStoreSpi</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="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/KeyStoreSpi.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </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"> <A HREF="../../java/security/KeyStore.html"><B>PREV CLASS</B></A> <A HREF="../../java/security/MessageDigest.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="KeyStoreSpi.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | 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><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">java.security</FONT><BR>Class KeyStoreSpi</H2><PRE><A HREF="../../java/lang/Object.html">java.lang.Object</A> | +--<B>java.security.KeyStoreSpi</B></PRE><HR><DL><DT>public abstract class <B>KeyStoreSpi</B><DT>extends <A HREF="../../java/lang/Object.html">Object</A></DL><P>This class defines the <i>Service Provider Interface</i> (<b>SPI</b>) for the <code>KeyStore</code> class. All the abstract methods in this class must be implemented by each cryptographic service provider who wishes to supply the implementation of a keystore for a particular keystore type.<P><DL><DT><B>Since: </B><DD>1.2</DD><DT><B>See Also: </B><DD><A HREF="../../java/security/KeyStore.html"><CODE>KeyStore</CODE></A></DL><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../java/security/KeyStoreSpi.html#KeyStoreSpi()">KeyStoreSpi</A></B>()</CODE><BR> </TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract <A HREF="../../java/util/Enumeration.html">Enumeration</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../java/security/KeyStoreSpi.html#engineAliases()">engineAliases</A></B>()</CODE><BR> Lists all the alias names of this keystore.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/security/KeyStoreSpi.html#engineContainsAlias(java.lang.String)">engineContainsAlias</A></B>(<A HREF="../../java/lang/String.html">String</A> alias)</CODE><BR> Checks if the given alias exists in this keystore.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract void</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/security/KeyStoreSpi.html#engineDeleteEntry(java.lang.String)">engineDeleteEntry</A></B>(<A HREF="../../java/lang/String.html">String</A> alias)</CODE><BR> Deletes the entry identified by the given alias from this keystore.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract <A HREF="../../java/security/cert/Certificate.html">Certificate</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../java/security/KeyStoreSpi.html#engineGetCertificate(java.lang.String)">engineGetCertificate</A></B>(<A HREF="../../java/lang/String.html">String</A> alias)</CODE><BR> Returns the certificate associated with the given alias.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract <A HREF="../../java/lang/String.html">String</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../java/security/KeyStoreSpi.html#engineGetCertificateAlias(java.security.cert.Certificate)">engineGetCertificateAlias</A></B>(<A HREF="../../java/security/cert/Certificate.html">Certificate</A> cert)</CODE><BR> Returns the (alias) name of the first keystore entry whose certificate matches the given certificate.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract <A HREF="../../java/security/cert/Certificate.html">Certificate</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/security/KeyStoreSpi.html#engineGetCertificateChain(java.lang.String)">engineGetCertificateChain</A></B>(<A HREF="../../java/lang/String.html">String</A> alias)</CODE><BR> Returns the certificate chain associated with the given alias.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract <A HREF="../../java/util/Date.html">Date</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../java/security/KeyStoreSpi.html#engineGetCreationDate(java.lang.String)">engineGetCreationDate</A></B>(<A HREF="../../java/lang/String.html">String</A> alias)</CODE><BR> Returns the creation date of the entry identified by the given alias.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract <A HREF="../../java/security/Key.html">Key</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../java/security/KeyStoreSpi.html#engineGetKey(java.lang.String, char[])">engineGetKey</A></B>(<A HREF="../../java/lang/String.html">String</A> alias, char[] password)</CODE><BR> Returns the key associated with the given alias, using the given password to recover it.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/security/KeyStoreSpi.html#engineIsCertificateEntry(java.lang.String)">engineIsCertificateEntry</A></B>(<A HREF="../../java/lang/String.html">String</A> alias)</CODE><BR> Returns true if the entry identified by the given alias is a <i>trusted certificate entry</i>, and false otherwise.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/security/KeyStoreSpi.html#engineIsKeyEntry(java.lang.String)">engineIsKeyEntry</A></B>(<A HREF="../../java/lang/String.html">String</A> alias)</CODE><BR> Returns true if the entry identified by the given alias is a <i>key entry</i>, and false otherwise.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract void</CODE></FONT></TD><TD><CODE><B><A HREF="../../java/security/KeyStoreSpi.html#engineLoad(java.io.InputStream, char[])">engineLoad</A></B>(<A HREF="../../java/io/InputStream.html">InputStream</A> stream, char[] password)</CODE><BR> Loads the keystore from the given input stream.</TD>⌨️ 快捷键说明
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