gnutls_x509_crt_set_authority_key_id — API function


#include <gnutls/x509.h>

int gnutls_x509_crt_set_authority_key_id(gnutls_x509_crt_t cert, const void * id, size_t id_size);


gnutls_x509_crt_t cert

a certificate of type gnutls_x509_crt_t

const void * id

The key ID

size_t id_size

Holds the size of the key ID field.


This function will set the X.509 certificate's authority key ID extension. Only the keyIdentifier field can be set with this function.


On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative error value.

Reporting Bugs

Report bugs to <>.
Home page:

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


3.6.9 gnutls