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• NAME
• SYNOPSIS
• DESCRIPTION
• NOTES
• RETURN VALUES
• SEE ALSO
• HISTORY
• COPYRIGHT

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

ERR_get_error(3), X509_get0_signature(3), X509_get_extension_flags(3), X509_get_subject_name(3), X509_NAME_ENTRY_get_object(3), X509_NAME_print_ex(3), X509_sign(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.