Api function
#include <gnutls/x509.h>
int gnutls_x509_crt_set_key_purpose_oid(gnutls_x509_crt_t cert, const void * oid, unsigned int critical);
a certificate of type gnutls_x509_crt_t
a pointer to a null terminated string that holds the OID
Whether this extension will be critical or not
This function will set the key purpose OIDs of the Certificate. These are stored in the Extended Key Usage extension (2.5.29.37) See the GNUTLS_KP_* definitions for human readable names.
Subsequent calls to this function will append OIDs to the OID list.
On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative error code is returned.
Report bugs to <[email protected]>.
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