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X509_GET_VERSION(3ossl)             OpenSSL            X509_GET_VERSION(3ossl)



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(3) returns the numerical value of the version field of
       certificate x. These correspond to the constants X509_VERSION_1,
       X509_VERSION_2, and X509_VERSION_3. Note: the values of these constants
       are defined by standards (X.509 et al) to be one less than the
       certificate version. So X509_VERSION_3 has value 2 and X509_VERSION_1
       has value 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. They use constants
       X509_REQ_VERSION_1, X509_CRL_VERSION_1, and X509_CRL_VERSION_2.


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(3), 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(3), X509_REQ_get_version() and X509_CRL_get_version()
       are functions in OpenSSL 1.1.0, in previous versions they were macros.


COPYRIGHT

       Copyright 2015-2023 The OpenSSL Project Authors. All Rights Reserved.

       Licensed under the Apache License 2.0 (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>.

3.3.2                             2024-09-04           X509_GET_VERSION(3ossl)

openssl 3.3.2 - Generated Sat Sep 28 09:19:21 CDT 2024
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