gnutls_x509_crt_get_subject_key_id(3)

API function

Section 3 gnutls-doc bookworm source

Description

gnutls_x509_crt_get_subject_key_id

NAME

gnutls_x509_crt_get_subject_key_id - API function

SYNOPSIS

#include <gnutls/x509.h>

int gnutls_x509_crt_get_subject_key_id(gnutls_x509_crt_t cert, void * ret, size_t * ret_size, unsigned int * critical);

ARGUMENTS

gnutls_x509_crt_t cert

should contain a gnutls_x509_crt_t type

void * ret

The place where the identifier will be copied

size_t * ret_size

Holds the size of the result field.

unsigned int * critical

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

DESCRIPTION

This function will return the X.509v3 certificate’s subject key identifier. This is obtained by the X.509 Subject Key identifier extension field (2.5.29.14).

RETURNS

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.

REPORTING BUGS

Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org

COPYRIGHT

Copyright © 2001- 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.