<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >openssl_open</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="Manual do PHP" HREF="index.html"><LINK REL="UP" TITLE="OpenSSL Functions" HREF="ref.openssl.html"><LINK REL="PREVIOUS" TITLE="openssl_get_publickey" HREF="function.openssl-get-publickey.html"><LINK REL="NEXT" TITLE="openssl_pkcs7_decrypt" HREF="function.openssl-pkcs7-decrypt.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></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" >Manual do PHP</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.openssl-get-publickey.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.openssl-pkcs7-decrypt.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.openssl-open" ></A >openssl_open</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN159586" ></A ><P > (PHP 4 >= 4.0.4, PHP 5)</P >openssl_open -- Open sealed data</DIV ><DIV CLASS="refsect1" ><A NAME="AEN159589" ></A ><H2 >Description</H2 >bool <B CLASS="methodname" >openssl_open</B > ( string sealed_data, string &open_data, string env_key, mixed priv_key_id )<BR ></BR ><P > Retorna <TT CLASS="constant" ><B >TRUE</B ></TT > em caso de sucesso ou <TT CLASS="constant" ><B >FALSE</B ></TT > em falhas. If successful the opened data is returned in <CODE CLASS="parameter" >open_data</CODE >. </P ><P > <B CLASS="function" >openssl_open()</B > opens (decrypts) <CODE CLASS="parameter" >sealed_data</CODE > using the private key associated with the key identifier <CODE CLASS="parameter" >priv_key_id</CODE > and the envelope key <CODE CLASS="parameter" >env_key</CODE >, and fills <CODE CLASS="parameter" >open_data</CODE > with the decrypted data. The envelope key is generated when the data are sealed and can only be used by one specific private key. See <A HREF="function.openssl-seal.html" ><B CLASS="function" >openssl_seal()</B ></A > for more information. </P ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN159618" ></A ><P ><B >Exemplo 1. <B CLASS="function" >openssl_open()</B > example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /></font><font color="#FF8000">// $sealed and $env_key are assumed to contain the sealed data<br />// and our envelope key, both given to us by the sealer.<br /><br />// fetch private key from file and ready it<br /></font><font color="#0000BB">$fp </font><font color="#007700">= </font><font color="#0000BB">fopen</font><font color="#007700">(</font><font color="#DD0000">"/src/openssl-0.9.6/demos/sign/key.pem"</font><font color="#007700">, </font><font color="#DD0000">"r"</font><font color="#007700">);<br /></font><font color="#0000BB">$priv_key </font><font color="#007700">= </font><font color="#0000BB">fread</font><font color="#007700">(</font><font color="#0000BB">$fp</font><font color="#007700">, </font><font color="#0000BB">8192</font><font color="#007700">);<br /></font><font color="#0000BB">fclose</font><font color="#007700">(</font><font color="#0000BB">$fp</font><font color="#007700">);<br /></font><font color="#0000BB">$pkeyid </font><font color="#007700">= </font><font color="#0000BB">openssl_get_privatekey</font><font color="#007700">(</font><font color="#0000BB">$priv_key</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// decrypt the data and store it in $open<br /></font><font color="#007700">if (</font><font color="#0000BB">openssl_open</font><font color="#007700">(</font><font color="#0000BB">$sealed</font><font color="#007700">, </font><font color="#0000BB">$open</font><font color="#007700">, </font><font color="#0000BB">$env_key</font><font color="#007700">, </font><font color="#0000BB">$pkeyid</font><font color="#007700">)) {<br /> echo </font><font color="#DD0000">"here is the opened data: "</font><font color="#007700">, </font><font color="#0000BB">$open</font><font color="#007700">;<br />} else {<br /> echo </font><font color="#DD0000">"failed to open data"</font><font color="#007700">;<br />}<br /><br /></font><font color="#FF8000">// free the private key from memory<br /></font><font color="#0000BB">openssl_free_key</font><font color="#007700">(</font><font color="#0000BB">$pkeyid</font><font color="#007700">);<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ><P > See also <A HREF="function.openssl-seal.html" ><B CLASS="function" >openssl_seal()</B ></A >. </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-get-publickey.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Principal</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.openssl-pkcs7-decrypt.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >openssl_get_publickey</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.openssl.html" ACCESSKEY="U" >Acima</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >openssl_pkcs7_decrypt</TD ></TR ></TABLE ></DIV ></BODY ></HTML >