X509_GET_VERSION
Section: OpenSSL (3)
Updated: 2020-07-28
Page Index
NAME
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
SYNOPSIS
#include <openssl/x509.h>
long X509_get_version(const X509 *x);
int X509_set_version(X509 *x, long version);
long X509_REQ_get_version(const X509_REQ *req);
int X509_REQ_set_version(X509_REQ *x, long version);
long X509_CRL_get_version(const X509_CRL *crl);
int X509_CRL_set_version(X509_CRL *x, long version);
DESCRIPTION
X509_get_version() returns the numerical value of the version field of
certificate
x. Note: this is defined by standards (X.509 et al) to be one
less than the certificate version. So a version 3 certificate will return 2 and
a version 1 certificate will return 0.
X509_set_version() sets the numerical value of the version field of certificate
x to version.
Similarly X509_REQ_get_version(), X509_REQ_set_version(),
X509_CRL_get_version() and X509_CRL_set_version() get and set the version
number of certificate requests and CRLs.
NOTES
The version field of certificates, certificate requests and CRLs has a
DEFAULT value of
v1(0) meaning the field should be omitted for version
1. This is handled transparently by these functions.
RETURN VALUES
X509_get_version(),
X509_REQ_get_version() and
X509_CRL_get_version()
return the numerical value of the version field.
X509_set_version(), X509_REQ_set_version() and X509_CRL_set_version()
return 1 for success and 0 for failure.
SEE ALSO
d2i_X509(3),
ERR_get_error(3),
X509_CRL_get0_by_serial(3),
X509_get0_signature(3),
X509_get_ext_d2i(3),
X509_get_extension_flags(3),
X509_get_pubkey(3),
X509_get_subject_name(3),
X509_NAME_add_entry_by_txt(3),
X509_NAME_ENTRY_get_object(3),
X509_NAME_get_index_by_NID(3),
X509_NAME_print_ex(3),
X509_new(3),
X509_sign(3),
X509V3_get_d2i(3),
X509_verify_cert(3)
HISTORY
X509_get_version(),
X509_REQ_get_version() and
X509_CRL_get_version() are
functions in OpenSSL 1.1.0, in previous versions they were macros.
COPYRIGHT
Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the OpenSSL license (the ``License''). You may not use
this file except in compliance with the License. You can obtain a copy
in the file LICENSE in the source distribution or at
<https://www.openssl.org/source/license.html>.