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133 .\" ========================================================================
135 .IX Title "X509_GET_VERSION 3"
136 .TH X509_GET_VERSION 3 "2020-09-22" "1.1.1h" "OpenSSL"
137 .\" For nroff, turn off justification. Always turn off hyphenation; it makes
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142 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
144 .IX Header "SYNOPSIS"
146 \& #include <openssl/x509.h>
148 \& long X509_get_version(const X509 *x);
149 \& int X509_set_version(X509 *x, long version);
151 \& long X509_REQ_get_version(const X509_REQ *req);
152 \& int X509_REQ_set_version(X509_REQ *x, long version);
154 \& long X509_CRL_get_version(const X509_CRL *crl);
155 \& int X509_CRL_set_version(X509_CRL *x, long version);
158 .IX Header "DESCRIPTION"
159 \&\fBX509_get_version()\fR returns the numerical value of the version field of
160 certificate \fBx\fR. Note: this is defined by standards (X.509 et al) to be one
161 less than the certificate version. So a version 3 certificate will return 2 and
162 a version 1 certificate will return 0.
164 \&\fBX509_set_version()\fR sets the numerical value of the version field of certificate
165 \&\fBx\fR to \fBversion\fR.
167 Similarly \fBX509_REQ_get_version()\fR, \fBX509_REQ_set_version()\fR,
168 \&\fBX509_CRL_get_version()\fR and \fBX509_CRL_set_version()\fR get and set the version
169 number of certificate requests and CRLs.
172 The version field of certificates, certificate requests and CRLs has a
173 \&\s-1DEFAULT\s0 value of \fB\fBv1\fB\|(0)\fR meaning the field should be omitted for version
174 1. This is handled transparently by these functions.
176 .IX Header "RETURN VALUES"
177 \&\fBX509_get_version()\fR, \fBX509_REQ_get_version()\fR and \fBX509_CRL_get_version()\fR
178 return the numerical value of the version field.
180 \&\fBX509_set_version()\fR, \fBX509_REQ_set_version()\fR and \fBX509_CRL_set_version()\fR
181 return 1 for success and 0 for failure.
183 .IX Header "SEE ALSO"
184 \&\fBd2i_X509\fR\|(3),
185 \&\fBERR_get_error\fR\|(3),
186 \&\fBX509_CRL_get0_by_serial\fR\|(3),
187 \&\fBX509_get0_signature\fR\|(3),
188 \&\fBX509_get_ext_d2i\fR\|(3),
189 \&\fBX509_get_extension_flags\fR\|(3),
190 \&\fBX509_get_pubkey\fR\|(3),
191 \&\fBX509_get_subject_name\fR\|(3),
192 \&\fBX509_NAME_add_entry_by_txt\fR\|(3),
193 \&\fBX509_NAME_ENTRY_get_object\fR\|(3),
194 \&\fBX509_NAME_get_index_by_NID\fR\|(3),
195 \&\fBX509_NAME_print_ex\fR\|(3),
196 \&\fBX509_new\fR\|(3),
197 \&\fBX509_sign\fR\|(3),
198 \&\fBX509V3_get_d2i\fR\|(3),
199 \&\fBX509_verify_cert\fR\|(3)
202 \&\fBX509_get_version()\fR, \fBX509_REQ_get_version()\fR and \fBX509_CRL_get_version()\fR are
203 functions in OpenSSL 1.1.0, in previous versions they were macros.
205 .IX Header "COPYRIGHT"
206 Copyright 2015\-2016 The OpenSSL Project Authors. All Rights Reserved.
208 Licensed under the OpenSSL license (the \*(L"License\*(R"). You may not use
209 this file except in compliance with the License. You can obtain a copy
210 in the file \s-1LICENSE\s0 in the source distribution or at
211 <https://www.openssl.org/source/license.html>.