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

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/

Info

3.6.9 gnutls