int gnutls_x509_crt_set_key_purpose_oid(gnutls_x509_crt_t cert, const void * oid, unsigned int critical);
- gnutls_x509_crt_t cert
- a certificate of type gnutls_x509_crt_t
- const void * oid
- a pointer to a null terminated string that holds the OID
- unsigned int critical
- Whether this extension will be critical or not
DESCRIPTIONThis function will set the key purpose OIDs of the Certificate. These are stored in the Extended Key Usage extension (184.108.40.206) See the GNUTLS_KP_* definitions for human readable names.
Subsequent calls to this function will append OIDs to the OID list.
RETURNSOn success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative error code is returned.
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