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<H2><A NAME="SECTION000410000000000000000"> </A>
<BR>
3.1 <tt class="module">crypto</tt> -- Generic cryptographic module
</H2>
<P>
<P>
<dl><dt><b><a name='l2h-6'><tt>X509Type</tt></a></b>
<dd>
A Python type object representing the X509 object type.
</dl>
<P>
<dl><dt><b><a name='l2h-7'><tt class='function'>X509</tt></a></b>()
<dd>
Factory function that creates an X509 object.
</dl>
<P>
<dl><dt><b><a name='l2h-8'><tt>X509NameType</tt></a></b>
<dd>
A Python type object representing the X509Name object type.
</dl>
<P>
<dl><dt><b><a name='l2h-9'><tt class='function'>X509Name</tt></a></b>(<var>x509name</var>)
<dd>
Factory function that creates a copy of <var>x509name</var>.
</dl>
<P>
<dl><dt><b><a name='l2h-10'><tt>X509ReqType</tt></a></b>
<dd>
A Python type object representing the X509Req object type.
</dl>
<P>
<dl><dt><b><a name='l2h-11'><tt class='function'>X509Req</tt></a></b>()
<dd>
Factory function that creates an X509Req object.
</dl>
<P>
<dl><dt><b><a name='l2h-12'><tt>X509StoreType</tt></a></b>
<dd>
A Python type object representing the X509Store object type.
</dl>
<P>
<dl><dt><b><a name='l2h-13'><tt>PKeyType</tt></a></b>
<dd>
A Python type object representing the PKey object type.
</dl>
<P>
<dl><dt><b><a name='l2h-14'><tt class='function'>PKey</tt></a></b>()
<dd>
Factory function that creates a PKey object.
</dl>
<P>
<dl><dt><b><a name='l2h-15'><tt>PKCS7Type</tt></a></b>
<dd>
A Python type object representing the PKCS7 object type.
</dl>
<P>
<dl><dt><b><a name='l2h-16'><tt>PKCS12Type</tt></a></b>
<dd>
A Python type object representing the PKCS12 object type.
</dl>
<P>
<dl><dt><b><a name='l2h-17'><tt>X509ExtensionType</tt></a></b>
<dd>
A Python type object representing the X509Extension object type.
</dl>
<P>
<dl><dt><b><a name='l2h-18'><tt class='function'>X509Extension</tt></a></b>(<var>typename, critical, value</var>)
<dd>
Factory function that creates a X509Extension object.
</dl>
<P>
<dl><dt><b><a name='l2h-19'><tt>NetscapeSPKIType</tt></a></b>
<dd>
A Python type object representing the NetscapeSPKI object type.
</dl>
<P>
<dl><dt><b><a name='l2h-20'><tt class='function'>NetscapeSPKI</tt></a></b>(<big>[</big><var>enc</var><big>]</big>)
<dd>
Factory function that creates a NetscapeSPKI object. If the <var>enc</var> argument
is present, it should be a base64-encoded string representing a NetscapeSPKI
object, as returned by the <tt class="method">b64_encode</tt> method.
</dl>
<P>
<dl><dt><b><a name='l2h-21'><tt>FILETYPE_PEM</tt></a></b>
<dd>
<dt><b><a name='l2h-32'><tt>FILETYPE_ASN1</tt></a></b><dd>
File type constants.
</dl>
<P>
<dl><dt><b><a name='l2h-22'><tt>TYPE_RSA</tt></a></b>
<dd>
<dt><b><a name='l2h-33'><tt>TYPE_DSA</tt></a></b><dd>
Key type constants.
</dl>
<P>
<dl><dt><b>exception <a name='l2h-23'><tt class='exception'>Error</tt></a></b>
<dd>
Generic exception used in the <tt class="module">crypto</tt> module.
</dl>
<P>
<dl><dt><b><a name='l2h-24'><tt class='function'>dump_certificate</tt></a></b>(<var>type, cert</var>)
<dd>
Dump the certificate <var>cert</var> into a buffer string encoded with the type
<var>type</var>.
</dl>
<P>
<dl><dt><b><a name='l2h-25'><tt class='function'>dump_certificate_request</tt></a></b>(<var>type, req</var>)
<dd>
Dump the certificate request <var>req</var> into a buffer string encoded with the
type <var>type</var>.
</dl>
<P>
<dl><dt><b><a name='l2h-26'><tt class='function'>dump_privatekey</tt></a></b>(<var>type, pkey</var><big>[</big><var>, cipher, passphrase</var><big>]</big>)
<dd>
Dump the private key <var>pkey</var> into a buffer string encoded with the type
<var>type</var>, optionally (if <var>type</var> is <tt class="constant">FILETYPE_PEM</tt>) encrypting it
using <var>cipher</var> and <var>passphrase</var>.
<P>
<var>passphrase</var> must be either a string or a callback for providing the
pass phrase.
</dl>
<P>
<dl><dt><b><a name='l2h-27'><tt class='function'>load_certificate</tt></a></b>(<var>type, buffer</var>)
<dd>
Load a certificate (X509) from the string <var>buffer</var> encoded with the
type <var>type</var>.
</dl>
<P>
<dl><dt><b><a name='l2h-28'><tt class='function'>load_certificate_request</tt></a></b>(<var>type, buffer</var>)
<dd>
Load a certificate request (X509Req) from the string <var>buffer</var> encoded with
the type <var>type</var>.
</dl>
<P>
<dl><dt><b><a name='l2h-29'><tt class='function'>load_privatekey</tt></a></b>(<var>type, buffer</var><big>[</big><var>, passphrase</var><big>]</big>)
<dd>
Load a private key (PKey) from the string <var>buffer</var> encoded with
the type <var>type</var> (must be one of <tt class="constant">FILETYPE_PEM</tt> and
<tt class="constant">FILETYPE_ASN1</tt>).
<P>
<var>passphrase</var> must be either a string or a callback for providing the
pass phrase.
</dl>
<P>
<dl><dt><b><a name='l2h-30'><tt class='function'>load_pkcs7_data</tt></a></b>(<var>type, buffer</var>)
<dd>
Load pkcs7 data from the string <var>buffer</var> encoded with the type <var>type</var>.
</dl>
<P>
<dl><dt><b><a name='l2h-31'><tt class='function'>load_pkcs12</tt></a></b>(<var>buffer</var><big>[</big><var>, passphrase</var><big>]</big>)
<dd>
Load pkcs12 data from the string <var>buffer</var>. If the pkcs12 structure is
encrypted, a <var>passphrase</var> must be included.
</dl>
<P>
<p><hr>
<!--Table of Child-Links-->
<A NAME="CHILD_LINKS"><STRONG>Subsections</STRONG></A>
<UL CLASS="ChildLinks">
<LI><A NAME="tex2html137"
href="openssl-x509.html">3.1.1 X509 objects </A>
<LI><A NAME="tex2html138"
href="openssl-x509name.html">3.1.2 X509Name objects </A>
<LI><A NAME="tex2html139"
href="openssl-x509req.html">3.1.3 X509Req objects </A>
<LI><A NAME="tex2html140"
href="openssl-x509store.html">3.1.4 X509Store objects </A>
<LI><A NAME="tex2html141"
href="openssl-pkey.html">3.1.5 PKey objects </A>
<LI><A NAME="tex2html142"
href="openssl-pkcs7.html">3.1.6 PKCS7 objects </A>
<LI><A NAME="tex2html143"
href="openssl-pkcs12.html">3.1.7 PKCS12 objects </A>
<LI><A NAME="tex2html144"
href="openssl-509ext.html">3.1.8 X509Extension objects </A>
<LI><A NAME="tex2html145"
href="openssl-netscape-spki.html">3.1.9 NetscapeSPKI objects </A>
</UL>
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