int gnutls_x509_crl_get_authority_key_id(gnutls_x509_crl_t crl, void * id, size_t * id_size, unsigned int * critical);
- gnutls_x509_crl_t crl
should contain a gnutls_x509_crl_t type
- void * id
The place where the identifier will be copied
- size_t * id_size
Holds the size of the result field.
- unsigned int * critical
will be non-zero if the extension is marked as critical (may be null)
This function will return the CRL authority's key identifier. This is obtained by the X.509 Authority Key identifier extension field (126.96.36.199). Note that this function only returns the keyIdentifier field of the extension and GNUTLS_E_X509_UNSUPPORTED_EXTENSION, if the extension contains the name and serial number of the certificate. In that case gnutls_x509_crl_get_authority_key_gn_serial() may be used.
On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative error code in case of an error.
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