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POCertificate for TCPDF
 

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    <p>I would like to generate a certificate(self-signed at the moment) for an encrypted PDF on the server. What is interesting to me is the workflow on how to to that with TCPDF.</p> <p><strong>What I did:</strong></p> <p>1) Generate keys:</p> <pre><code>openssl req -x509 -nodes -days 365000 -newkey rsa:1024 openssl pkcs12 -export -in tcpdf.crt -out tcpdf.p12 </code></pre> <p>2) Then generate the PDF with the <code>.crt</code> - file</p> <p>3) Then I started acrobat reader and installed the certificate (<code>tcpdf.p12</code>). I used Document->security settings -> digital id</p> <p>4) I could import the security settings but still can't open the PDF. Don't know if I am doing it right? What happens that acrobat reader 9.5.4 opens a dialog with input of a password. I give in the password and an error appears -> unknown error -> CRecipientList-218</p> <p>5) Code I used (basically the same)</p> <pre><code>$certificate = 'file://../tcpdf.crt'; $info = array( 'Name' =&gt; 'TCPDF', 'Location' =&gt; 'Office', 'Reason' =&gt; 'Testing TCPDF', 'ContactInfo' =&gt; 'http://www.tcpdf.org', ); $pdf-&gt;setSignature($certificate, $certificate, 'tcpdfdemo', '', 2, $info); $pdf-&gt;SetProtection($permissions=array('print', 'copy'), $user_pass='', owner_pass=null, $mode=1, $pubkeys=array(array('c' =&gt; 'file://../tcpdf.crt', 'p' =&gt; array('print')))); </code></pre> <p>I combined the following examples:</p> <p><a href="http://www.tcpdf.org/examples/example_052.phps" rel="nofollow noreferrer">http://www.tcpdf.org/examples/example_052.phps</a></p> <p><a href="http://www.tcpdf.org/examples/example_016.phps" rel="nofollow noreferrer">http://www.tcpdf.org/examples/example_016.phps</a></p> <p>P.S.: I know its a very practical example. Just thought its easier to understand the steps I am doing.</p> <p><strong>Questions:</strong></p> <ol> <li><p>Is the workflow in general right on how(!) to approach certificates for a PDF with encryption? </p></li> <li><p>When I generate the <code>.p12</code> file I have to give in a password for that file which I used later on when imported the certificate into acrobat. I'm asking because I have also the possibility "on generation" to give the password.</p></li> <li><p>If the workflow is right...how do I fix the problem?</p></li> </ol>
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    1. COHave you tried to contact tcpdf guys instead?
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    2. COI did, but there is no answer so far on sourceforge.
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