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131 .IX Title "X509_GET_VERSION 3"
132 .TH X509_GET_VERSION 3 "2018-09-11" "1.1.1" "OpenSSL"
133 .\" For nroff, turn off justification. Always turn off hyphenation; it makes
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138 X509_get_version, X509_set_version, X509_REQ_get_version, X509_REQ_set_version, X509_CRL_get_version, X509_CRL_set_version \- get or set certificate, certificate request or CRL version
140 .IX Header "SYNOPSIS"
142 \& #include <openssl/x509.h>
144 \& long X509_get_version(const X509 *x);
145 \& int X509_set_version(X509 *x, long version);
147 \& long X509_REQ_get_version(const X509_REQ *req);
148 \& int X509_REQ_set_version(X509_REQ *x, long version);
150 \& long X509_CRL_get_version(const X509_CRL *crl);
151 \& int X509_CRL_set_version(X509_CRL *x, long version);
154 .IX Header "DESCRIPTION"
155 \&\fIX509_get_version()\fR returns the numerical value of the version field of
156 certificate \fBx\fR. Note: this is defined by standards (X.509 et al) to be one
157 less than the certificate version. So a version 3 certificate will return 2 and
158 a version 1 certificate will return 0.
160 \&\fIX509_set_version()\fR sets the numerical value of the version field of certificate
161 \&\fBx\fR to \fBversion\fR.
163 Similarly \fIX509_REQ_get_version()\fR, \fIX509_REQ_set_version()\fR,
164 \&\fIX509_CRL_get_version()\fR and \fIX509_CRL_set_version()\fR get and set the version
165 number of certificate requests and CRLs.
168 The version field of certificates, certificate requests and CRLs has a
169 \&\s-1DEFAULT\s0 value of \fB\f(BIv1\fB\|(0)\fR meaning the field should be omitted for version
170 1. This is handled transparently by these functions.
172 .IX Header "RETURN VALUES"
173 \&\fIX509_get_version()\fR, \fIX509_REQ_get_version()\fR and \fIX509_CRL_get_version()\fR
174 return the numerical value of the version field.
176 \&\fIX509_set_version()\fR, \fIX509_REQ_set_version()\fR and \fIX509_CRL_set_version()\fR
177 return 1 for success and 0 for failure.
179 .IX Header "SEE ALSO"
180 \&\fId2i_X509\fR\|(3),
181 \&\fIERR_get_error\fR\|(3),
182 \&\fIX509_CRL_get0_by_serial\fR\|(3),
183 \&\fIX509_get0_signature\fR\|(3),
184 \&\fIX509_get_ext_d2i\fR\|(3),
185 \&\fIX509_get_extension_flags\fR\|(3),
186 \&\fIX509_get_pubkey\fR\|(3),
187 \&\fIX509_get_subject_name\fR\|(3),
188 \&\fIX509_NAME_add_entry_by_txt\fR\|(3),
189 \&\fIX509_NAME_ENTRY_get_object\fR\|(3),
190 \&\fIX509_NAME_get_index_by_NID\fR\|(3),
191 \&\fIX509_NAME_print_ex\fR\|(3),
192 \&\fIX509_new\fR\|(3),
193 \&\fIX509_sign\fR\|(3),
194 \&\fIX509V3_get_d2i\fR\|(3),
195 \&\fIX509_verify_cert\fR\|(3)
198 \&\fIX509_get_version()\fR, \fIX509_REQ_get_version()\fR and \fIX509_CRL_get_version()\fR are
199 functions in OpenSSL 1.1.0, in previous versions they were macros.
201 .IX Header "COPYRIGHT"
202 Copyright 2015\-2016 The OpenSSL Project Authors. All Rights Reserved.
204 Licensed under the OpenSSL license (the \*(L"License\*(R"). You may not use
205 this file except in compliance with the License. You can obtain a copy
206 in the file \s-1LICENSE\s0 in the source distribution or at
207 <https://www.openssl.org/source/license.html>.