Sophie: php-manual-ro-0:20051028-1 noarch

php-manual-ro-20051028-1.noarch.rpm

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>openssl_open</H1
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></A
><P
>    (PHP 4 &#62;= 4.0.4, PHP 5)</P
>openssl_open&nbsp;--&nbsp;Open sealed data</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN84903"
></A
><H2
>Description</H2
>bool <B
CLASS="methodname"
>openssl_open</B
> ( string sealed_data, string &#38;open_data, string env_key, mixed priv_key_id)<BR
></BR
><P
>&#13;     Returneazã <TT
CLASS="constant"
><B
>TRUE</B
></TT
> în caz de succes, <TT
CLASS="constant"
><B
>FALSE</B
></TT
> în caz contrar. If successful the opened
     data is returned in <VAR
CLASS="parameter"
>open_data</VAR
>.
    </P
><P
>&#13;     <B
CLASS="function"
>openssl_open()</B
> opens (decrypts)
     <VAR
CLASS="parameter"
>sealed_data</VAR
> using the private key associated with
     the key identifier <VAR
CLASS="parameter"
>priv_key_id</VAR
> and the envelope key
     <VAR
CLASS="parameter"
>env_key</VAR
>, and fills
     <VAR
CLASS="parameter"
>open_data</VAR
> 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
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><B
>Exemplu 1. <B
CLASS="function"
>openssl_open()</B
> example</B
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><code><font color="#000000">
<font color="#0000BB">&lt;?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">$pkeyid</font><font color="#007700">)) {<br />&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">"here is the opened data: "</font><font color="#007700">, </font><font color="#0000BB">$open</font><font color="#007700">;<br />} else {<br />&nbsp;&nbsp;&nbsp;&nbsp;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">?&gt;</font>
</font>
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    </P
><P
>&#13;     See also <A
HREF="function.openssl-seal.html"
><B
CLASS="function"
>openssl_seal()</B
></A
>.
    </P
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