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<H3><A NAME="SECTION000411000000000000000"> </A>
<BR>
3.1.1 X509 objects
</H3>
<P>
X509 objects have the following methods:
<P>
<dl><dt><b><a name='l2h-34'><tt class='method'>get_issuer</tt></a></b>()
<dd>
Return a <EM>borrowed reference to a X509Name object representing the issuer
of the certificate. When the corresponding X509 or X509Req object is
destroyed, this object will be invalid!
</dl>
</EM>
<P><dl><dt><b><a name='l2h-35'><tt class='method'>get_pubkey</tt></a></b>()
<dd>
Return a PKey object representing the public key of the certificate.
</dl>
<P><dl><dt><b><a name='l2h-36'><tt class='method'>get_serial_number</tt></a></b>()
<dd>
Return the certificate serial number.
</dl>
<P><dl><dt><b><a name='l2h-37'><tt class='method'>get_subject</tt></a></b>()
<dd>
Return a <EM>borrowed reference to a X509Name object representing the subject
of the certificate. When the corresponding X509 or X509Req object is
destroyed, this object will be invalid!
</dl></EM>
<P><dl><dt><b><a name='l2h-38'><tt class='method'>get_version</tt></a></b>()
<dd>
Return the certificate version.
</dl>
<P><dl><dt><b><a name='l2h-39'><tt class='method'>gmtime_adj_notBefore</tt></a></b>(<var>time</var>)
<dd>
Adjust the timestamp (in GMT) when the certificate starts being valid.
</dl>
<P><dl><dt><b><a name='l2h-40'><tt class='method'>gmtime_adj_notAfter</tt></a></b>(<var>time</var>)
<dd>
Adjust the timestamp (in GMT) when the certificate stops being valid.
</dl>
<P><dl><dt><b><a name='l2h-41'><tt class='method'>has_expired</tt></a></b>()
<dd>
Checks the certificate's time stamp against current time. Returns true if the
certificate has expired and false otherwise.
</dl>
<P><dl><dt><b><a name='l2h-42'><tt class='method'>set_issuer</tt></a></b>(<var>issuer</var>)
<dd>
Set the issuer of the certificate to <var>issuer</var>.
</dl>
<P><dl><dt><b><a name='l2h-43'><tt class='method'>set_pubkey</tt></a></b>(<var>pkey</var>)
<dd>
Set the public key of the certificate to <var>pkey</var>.
</dl>
<P><dl><dt><b><a name='l2h-44'><tt class='method'>set_serial_number</tt></a></b>(<var>serialno</var>)
<dd>
Set the serial number of the certificate to <var>serialno</var>.
</dl>
<P><dl><dt><b><a name='l2h-45'><tt class='method'>set_subject</tt></a></b>(<var>subject</var>)
<dd>
Set the subject of the certificate to <var>subject</var>.
</dl>
<P><dl><dt><b><a name='l2h-46'><tt class='method'>set_version</tt></a></b>(<var>version</var>)
<dd>
Set the certificate version to <var>version</var>.
</dl>
<P><dl><dt><b><a name='l2h-47'><tt class='method'>sign</tt></a></b>(<var>pkey, digest</var>)
<dd>
Sign the certificate, using the key <var>pkey</var> and the message digest algorithm
identified by the string <var>digest</var>.
</dl>
<P><dl><dt><b><a name='l2h-48'><tt class='method'>subject_name_hash</tt></a></b>()
<dd>
Return the hash of the certificate subject.
</dl>
<P><dl><dt><b><a name='l2h-49'><tt class='method'>digest</tt></a></b>(<var>digest_name</var>)
<dd>
Return a digest of the certificate, using the <var>digest_name</var> method.
</dl>
<P><dl><dt><b><a name='l2h-50'><tt class='method'>add_extensions</tt></a></b>(<var>extensions</var>)
<dd>
Add the extensions in the sequence <var>extensions</var> to the certificate.
</dl>
<P>
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