<HTML ><HEAD ><TITLE >openssl_pkey_get_public</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="PHP Manual" HREF="index.html"><LINK REL="UP" TITLE="OpenSSL functions" HREF="ref.openssl.html"><LINK REL="PREVIOUS" TITLE="openssl_pkey_get_private" HREF="function.openssl-pkey-get-private.html"><LINK REL="NEXT" TITLE="openssl_pkey_new" HREF="function.openssl-pkey-new.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=ISO-8859-1"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.openssl-pkey-get-private.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.openssl-pkey-new.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.openssl-pkey-get-public" ></A >openssl_pkey_get_public</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN68475" ></A ><P > (PHP 4 >= 4.2.0)</P >openssl_pkey_get_public -- Extract public key from certificate and prepare it for use</DIV ><DIV CLASS="refsect1" ><A NAME="AEN68478" ></A ><H2 >Description</H2 >resource <B CLASS="methodname" >openssl_pkey_get_public</B > ( mixed certificate)<BR ></BR ><P > Returns a positive key resource identifier on success, or <TT CLASS="constant" ><B >FALSE</B ></TT > on error. </P ><P > <A HREF="function.openssl-get-publickey.html" ><B CLASS="function" >openssl_get_publickey()</B ></A > extracts the public key from <TT CLASS="parameter" ><I >certificate</I ></TT > and prepares it for use by other functions. <TT CLASS="parameter" ><I >certificate</I ></TT > can be one of the following: <P ></P ><OL TYPE="1" ><LI ><P >an X.509 certificate resource</P ></LI ><LI ><P >a string having the format <TT CLASS="filename" >file://path/to/file.pem</TT >. The named file must contain a PEM encoded certificate/private key (it may contain both). </P ></LI ><LI ><P >A PEM formatted private key.</P ></LI ></OL > </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.openssl-pkey-get-private.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.openssl-pkey-new.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >openssl_pkey_get_private</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.openssl.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >openssl_pkey_new</TD ></TR ></TABLE ></DIV ></BODY ></HTML >