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>openssl_csr_sign</H1
><DIV
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NAME="AEN84781"
></A
><P
> (PHP 4 >= 4.2.0, PHP 5)</P
>openssl_csr_sign -- Sign a CSR with another certificate (or itself) and generate a certificate</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN84784"
></A
><H2
>Description</H2
>resource <B
CLASS="methodname"
>openssl_csr_sign</B
> ( mixed csr, mixed cacert, mixed priv_key, int days [, array configargs [, int serial]])<BR
></BR
><P
> <B
CLASS="function"
>openssl_csr_sign()</B
> generates an x509 certificate
resource from the <VAR
CLASS="parameter"
>csr</VAR
> previously generated by
<A
HREF="function.openssl-csr-new.html"
><B
CLASS="function"
>openssl_csr_new()</B
></A
>, but it can also be the path to
a PEM encoded CSR when specified as
<TT
CLASS="filename"
>file://path/to/csr</TT
> or an exported string generated
by <A
HREF="function.openssl-csr-export.html"
><B
CLASS="function"
>openssl_csr_export()</B
></A
>.
The generated certificate will be signed by
<VAR
CLASS="parameter"
>cacert</VAR
>. If <VAR
CLASS="parameter"
>cacert</VAR
> is <TT
CLASS="constant"
><B
>NULL</B
></TT
>,
the generated certificate will be a self-signed certificate.
<VAR
CLASS="parameter"
>priv_key</VAR
> is the private key that corresponds to
<VAR
CLASS="parameter"
>cacert</VAR
>.
<VAR
CLASS="parameter"
>days</VAR
> specifies the length of time for which the
generated certificate will be valid, in days.
You can finetune the CSR signing by <VAR
CLASS="parameter"
>configargs</VAR
>.
See <A
HREF="function.openssl-csr-new.html"
><B
CLASS="function"
>openssl_csr_new()</B
></A
> for more information about
<VAR
CLASS="parameter"
>configargs</VAR
>.
Since PHP 4.3.3 you can specify the serial number of issued certificate by
<VAR
CLASS="parameter"
>serial</VAR
>. In earlier versions, it was always 0.
</P
><P
> Returns an x509 certificate resource on success, <TT
CLASS="constant"
><B
>FALSE</B
></TT
> on failure.
</P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Notã: </B
>
You need to have a valid <TT
CLASS="filename"
>openssl.cnf</TT
> installed for
this function to operate correctly.
See the notes under <A
HREF="ref.openssl.html#openssl.installation"
>the installation
section</A
> for more information.
</P
></BLOCKQUOTE
></DIV
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><P
><B
>Exemplu 1. <B
CLASS="function"
>openssl_csr_sign()</B
> example - signing a
CSR (how to implement your own CA)</B
></P
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><code><font color="#000000">
<font color="#0000BB"><?php<br /></font><font color="#FF8000">// Let's assume that this script is set to receive a CSR that has<br />// been pasted into a textarea from another page<br /></font><font color="#0000BB">$csrdata </font><font color="#007700">= </font><font color="#0000BB">$_POST</font><font color="#007700">[</font><font color="#DD0000">"CSR"</font><font color="#007700">];<br /><br /></font><font color="#FF8000">// We will sign the request using our own "certificate authority"<br />// certificate. You can use any certificate to sign another, but<br />// the process is worthless unless the signing certificate is trusted<br />// by the software/users that will deal with the newly signed certificate<br /><br />// We need our CA cert and its private key<br /></font><font color="#0000BB">$cacert </font><font color="#007700">= </font><font color="#DD0000">"file://path/to/ca.crt"</font><font color="#007700">;<br /></font><font color="#0000BB">$privkey </font><font color="#007700">= array(</font><font color="#DD0000">"file://path/to/ca.key"</font><font color="#007700">, </font><font color="#DD0000">"your_ca_key_passphrase"</font><font color="#007700">);<br /><br /></font><font color="#0000BB">$userscert </font><font color="#007700">= </font><font color="#0000BB">openssl_csr_sign</font><font color="#007700">(</font><font color="#0000BB">$csrdata</font><font color="#007700">, </font><font color="#0000BB">$cacert</font><font color="#007700">, </font><font color="#0000BB">$privkey</font><font color="#007700">, </font><font color="#0000BB">365</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// Now display the generated certificate so that the user can<br />// copy and paste it into their local configuration (such as a file<br />// to hold the certificate for their SSL server)<br /></font><font color="#0000BB">openssl_x509_export</font><font color="#007700">(</font><font color="#0000BB">$usercert</font><font color="#007700">, </font><font color="#0000BB">$certout</font><font color="#007700">);<br />echo </font><font color="#0000BB">$certout</font><font color="#007700">;<br /><br /></font><font color="#FF8000">// Show any errors that occurred here<br /></font><font color="#007700">while ((</font><font color="#0000BB">$e </font><font color="#007700">= </font><font color="#0000BB">openssl_error_string</font><font color="#007700">()) !== </font><font color="#0000BB">false</font><font color="#007700">) {<br /> echo </font><font color="#0000BB">$e </font><font color="#007700">. </font><font color="#DD0000">"\n"</font><font color="#007700">;<br />}<br /></font><font color="#0000BB">?></font>
</font>
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