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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<link rel="stylesheet" href="style.css" type="text/css">
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<link title="Index of types" rel=Appendix href="index_types.html">
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<link title="Index of values" rel=Appendix href="index_values.html">
<link title="Index of modules" rel=Appendix href="index_modules.html">
<link title="Pdfutil" rel="Chapter" href="Pdfutil.html">
<link title="Pdfio" rel="Chapter" href="Pdfio.html">
<link title="Pdftransform" rel="Chapter" href="Pdftransform.html">
<link title="Pdfunits" rel="Chapter" href="Pdfunits.html">
<link title="Pdfpaper" rel="Chapter" href="Pdfpaper.html">
<link title="Pdfcryptprimitives" rel="Chapter" href="Pdfcryptprimitives.html">
<link title="Pdf" rel="Chapter" href="Pdf.html">
<link title="Pdfcrypt" rel="Chapter" href="Pdfcrypt.html">
<link title="Pdfflate" rel="Chapter" href="Pdfflate.html">
<link title="Pdfcodec" rel="Chapter" href="Pdfcodec.html">
<link title="Pdfwrite" rel="Chapter" href="Pdfwrite.html">
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<link title="Pdfjpeg" rel="Chapter" href="Pdfjpeg.html">
<link title="Pdfops" rel="Chapter" href="Pdfops.html">
<link title="Pdfdest" rel="Chapter" href="Pdfdest.html">
<link title="Pdfmarks" rel="Chapter" href="Pdfmarks.html">
<link title="Pdfpagelabels" rel="Chapter" href="Pdfpagelabels.html">
<link title="Pdfpage" rel="Chapter" href="Pdfpage.html">
<link title="Pdfannot" rel="Chapter" href="Pdfannot.html">
<link title="Pdffun" rel="Chapter" href="Pdffun.html">
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<link title="Pdftext" rel="Chapter" href="Pdftext.html">
<link title="Pdfstandard14" rel="Chapter" href="Pdfstandard14.html">
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<link title="Pdftype0" rel="Chapter" href="Pdftype0.html">
<link title="Pdfmerge" rel="Chapter" href="Pdfmerge.html"><title>Pdfcrypt</title>
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<h1>Module <a href="type_Pdfcrypt.html">Pdfcrypt</a></h1>

<pre><span class="keyword">module</span> Pdfcrypt: <code class="code">sig</code> <a href="Pdfcrypt.html">..</a> <code class="code">end</code></pre><div class="info module top">
Decrypting PDF files<br>
</div>
<hr width="100%">
<br>
Note that encryption depends on fixed object and generation numbers: don't
change these (for example by calling <code class="code">Pdf.remove_unreferenced</code> on the PDF)
before writing.
<p>

Encryption support is part of the <code class="code">Pdfwrite</code> module, since files are encrypted when they're written.<br>

<pre><span id="VALcrypt_debug"><span class="keyword">val</span> crypt_debug</span> : <code class="type">bool Pervasives.ref</code></pre><div class="info ">
If this is set, various debug is produced on standard output. On startup, is set to false<br>
</div>

<pre><code><span id="TYPEpermission"><span class="keyword">type</span> <code class="type"></code>permission</span> = </code></pre><table class="typetable">
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTpermission.NoEdit"><span class="constructor">NoEdit</span></span></code></td>

</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTpermission.NoPrint"><span class="constructor">NoPrint</span></span></code></td>

</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTpermission.NoCopy"><span class="constructor">NoCopy</span></span></code></td>

</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTpermission.NoAnnot"><span class="constructor">NoAnnot</span></span></code></td>

</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTpermission.NoForms"><span class="constructor">NoForms</span></span></code></td>

</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTpermission.NoExtract"><span class="constructor">NoExtract</span></span></code></td>

</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTpermission.NoAssemble"><span class="constructor">NoAssemble</span></span></code></td>

</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTpermission.NoHqPrint"><span class="constructor">NoHqPrint</span></span></code></td>

</tr></table>



<pre><span id="VALdecrypt_pdf"><span class="keyword">val</span> decrypt_pdf</span> : <code class="type">?keyfromowner:string -><br>       string -> <a href="Pdf.html#TYPEt">Pdf.t</a> -> <a href="Pdf.html#TYPEt">Pdf.t</a> option * <a href="Pdfcrypt.html#TYPEpermission">permission</a> list</code></pre><div class="info ">
Decrypt a PDF document, given the user password, returning the permissions
under which the document was encrypted.<br>
</div>

<pre><span id="VALdecrypt_pdf_owner"><span class="keyword">val</span> decrypt_pdf_owner</span> : <code class="type">string -> <a href="Pdf.html#TYPEt">Pdf.t</a> -> <a href="Pdf.html#TYPEt">Pdf.t</a> option</code></pre><div class="info ">
Decrypt a PDF document, given the owner password.<br>
</div>

<pre><span id="VALis_encrypted"><span class="keyword">val</span> is_encrypted</span> : <code class="type"><a href="Pdf.html#TYPEt">Pdf.t</a> -> bool</code></pre><div class="info ">
Is a PDF encrypted?<br>
</div>
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