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gnutls_x509_crt_get_extension_by_oid2 - API function
int gnutls_x509_crt_get_extension_by_oid2(gnutls_x509_crt_t cert, const
char * oid, unsigned indx, gnutls_datum_t * output, unsigned int *
should contain a gnutls_x509_crt_t type
const char * oid
holds an Object Identified in null terminated string
In case multiple same OIDs exist in the extensions, this
specifies which to send. Use (0) to get the first one.
gnutls_datum_t * output
will hold the allocated extension data
unsigned int * critical
will be non-zero if the extension is marked as critical
This function will return the extension specified by the OID in the
certificate. The extensions will be returned as binary data DER
encoded, in the provided buffer.
On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative
error code is returned. If the certificate does not contain the
specified extension GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE will be
Report bugs to <firstname.lastname@example.org>.
Home page: https://www.gnutls.org
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