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46<H3><A NAME="SECTION000411000000000000000">&nbsp;</A>
47<BR>
483.1.1 X509 objects
49</H3>
50
51<P>
52X509 objects have the following methods:
53
54<P>
55<dl><dt><b><a name='l2h-34'><tt class='method'>get_issuer</tt></a></b>()
56<dd>
57Return a <EM>borrowed reference to a X509Name object representing the issuer
58of the certificate. When the corresponding X509 or X509Req object is
59destroyed, this object will be invalid!
60</dl>
61</EM>
62<P><dl><dt><b><a name='l2h-35'><tt class='method'>get_pubkey</tt></a></b>()
63<dd>
64Return a PKey object representing the public key of the certificate.
65</dl>
66<P><dl><dt><b><a name='l2h-36'><tt class='method'>get_serial_number</tt></a></b>()
67<dd>
68Return the certificate serial number.
69</dl>
70<P><dl><dt><b><a name='l2h-37'><tt class='method'>get_subject</tt></a></b>()
71<dd>
72Return a <EM>borrowed reference to a X509Name object representing the subject
73of the certificate. When the corresponding X509 or X509Req object is
74destroyed, this object will be invalid!
75</dl></EM>
76<P><dl><dt><b><a name='l2h-38'><tt class='method'>get_version</tt></a></b>()
77<dd>
78Return the certificate version.
79</dl>
80<P><dl><dt><b><a name='l2h-39'><tt class='method'>gmtime_adj_notBefore</tt></a></b>(<var>time</var>)
81<dd>
82Adjust the timestamp (in GMT) when the certificate starts being valid.
83</dl>
84<P><dl><dt><b><a name='l2h-40'><tt class='method'>gmtime_adj_notAfter</tt></a></b>(<var>time</var>)
85<dd>
86Adjust the timestamp (in GMT) when the certificate stops being valid.
87</dl>
88<P><dl><dt><b><a name='l2h-41'><tt class='method'>has_expired</tt></a></b>()
89<dd>
90Checks the certificate's time stamp against current time. Returns true if the
91certificate has expired and false otherwise.
92</dl>
93<P><dl><dt><b><a name='l2h-42'><tt class='method'>set_issuer</tt></a></b>(<var>issuer</var>)
94<dd>
95Set the issuer of the certificate to <var>issuer</var>.
96</dl>
97<P><dl><dt><b><a name='l2h-43'><tt class='method'>set_pubkey</tt></a></b>(<var>pkey</var>)
98<dd>
99Set the public key of the certificate to <var>pkey</var>.
100</dl>
101<P><dl><dt><b><a name='l2h-44'><tt class='method'>set_serial_number</tt></a></b>(<var>serialno</var>)
102<dd>
103Set the serial number of the certificate to <var>serialno</var>.
104</dl>
105<P><dl><dt><b><a name='l2h-45'><tt class='method'>set_subject</tt></a></b>(<var>subject</var>)
106<dd>
107Set the subject of the certificate to <var>subject</var>.
108</dl>
109<P><dl><dt><b><a name='l2h-46'><tt class='method'>set_version</tt></a></b>(<var>version</var>)
110<dd>
111Set the certificate version to <var>version</var>.
112</dl>
113<P><dl><dt><b><a name='l2h-47'><tt class='method'>sign</tt></a></b>(<var>pkey, digest</var>)
114<dd>
115Sign the certificate, using the key <var>pkey</var> and the message digest algorithm
116identified by the string <var>digest</var>.
117</dl>
118<P><dl><dt><b><a name='l2h-48'><tt class='method'>subject_name_hash</tt></a></b>()
119<dd>
120Return the hash of the certificate subject.
121</dl>
122<P><dl><dt><b><a name='l2h-49'><tt class='method'>digest</tt></a></b>(<var>digest_name</var>)
123<dd>
124Return a digest of the certificate, using the <var>digest_name</var> method.
125</dl>
126<P><dl><dt><b><a name='l2h-50'><tt class='method'>add_extensions</tt></a></b>(<var>extensions</var>)
127<dd>
128Add the extensions in the sequence <var>extensions</var> to the certificate.
129</dl>
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