Api function
#include <gnutls/x509.h>
int gnutls_x509_crt_get_extension_oid(gnutls_x509_crt_t cert, int indx, void * oid, size_t * oid_size);
should contain a gnutls_x509_crt_t structure
Specifies which extension OID to send. Use (0) to get the first one.
a pointer to a structure to hold the OID (may be null)
initially holds the size of oid
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.
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.
Report bugs to <[email protected]>.
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