gnutls_x509_crt_get_authority_key_gn_serial(3) — Linux manual page



NAME         top

       gnutls_x509_crt_get_authority_key_gn_serial - API function

SYNOPSIS         top

       #include <gnutls/x509.h>

       int gnutls_x509_crt_get_authority_key_gn_serial(gnutls_x509_crt_t
       cert, unsigned int seq, void * alt, size_t * alt_size, unsigned int *
       alt_type, void * serial, size_t * serial_size, unsigned int *

ARGUMENTS         top

       gnutls_x509_crt_t cert
                   should contain a gnutls_x509_crt_t type

       unsigned int seq
                   specifies the sequence number of the alt name (0 for the
                   first one, 1 for the second etc.)

       void * alt  is the place where the alternative name will be copied to

       size_t * alt_size
                   holds the size of alt.

       unsigned int * alt_type
                   holds the type of the alternative name (one of

       void * serial
                   buffer to store the serial number (may be null)

       size_t * serial_size
                   Holds the size of the serial field (may be null)

       unsigned int * critical
                   will be non-zero if the extension is marked as critical
                   (may be null)

DESCRIPTION         top

       This function will return the X.509 authority key identifier when
       stored as a general name (authorityCertIssuer) and serial number.

       Because more than one general names might be stored
        seq can be used as a counter to request them all until

RETURNS         top

       On success, GNUTLS_E_SUCCESS (0) is returned,
       GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE if the extension is not
       present, otherwise a negative error value.

SINCE         top


REPORTING BUGS         top

       Report bugs to <>.
       Home page:

COPYRIGHT         top

       Copyright © 2001-2019 Free Software Foundation, Inc., and others.
       Copying and distribution of this file, with or without modification,
       are permitted in any medium without royalty provided the copyright
       notice and this notice are preserved.

SEE ALSO         top

       The full documentation for gnutls is maintained as a Texinfo manual.
       If the /usr/share/doc/gnutls/ directory does not contain the HTML
       form visit 

COLOPHON         top

       This page is part of the GnuTLS (GnuTLS Transport Layer Security
       Library) project.  Information about the project can be found at 
       ⟨⟩.  If you have a bug report for this manual
       page, send it to  This page was obtained from the
       tarball gnutls-3.6.9.tar.xz fetched from
       ⟨⟩ on 2020-09-18.  If you discover
       any rendering problems in this HTML version of the page, or you
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gnutls                        gnutls3_.x65.099_crt_get_authority_key_gn_serial(3)