gnutls_x509_crt_get_extension_oid(3) — Linux manual page
gnutls_x509_...extension_oid(3) gnutls gnutls_x509_...extension_oid(3)
NAME
gnutls_x509_crt_get_extension_oid - API function
SYNOPSIS
#include <gnutls/x509.h>
int gnutls_x509_crt_get_extension_oid(gnutls_x509_crt_t cert,
unsigned indx, void * oid, size_t * oid_size);
ARGUMENTS
gnutls_x509_crt_t cert
should contain a gnutls_x509_crt_t type
unsigned indx
Specifies which extension OID to send. Use (0) to get
the first one.
void * oid a pointer to a structure to hold the OID (may be
null)
size_t * oid_size
initially holds the size of oid
DESCRIPTION
This function will return the requested extension OID in the
certificate. The extension OID will be stored as a string in the
provided buffer.
The oid returned will be null terminated, although oid_size
will not account for the trailing null.
RETURNS
On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a
negative error code is returned. If you have reached the last
extension available GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE will be
returned.
REPORTING BUGS
Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org
COPYRIGHT
Copyright © 2001-2023 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
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
https://www.gnutls.org/manual/
COLOPHON
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