gnutls_hkdf_extract − API function
#include <gnutls/crypto.h>
int gnutls_hkdf_extract(gnutls_mac_algorithm_t mac, const gnutls_datum_t * key, const gnutls_datum_t * salt, void * output);
gnutls_mac_algorithm_t mac
the mac algorithm used internally
const gnutls_datum_t * key
the initial keying material
const gnutls_datum_t * salt
the optional salt
void * output
the output value of the extract operation
This function will derive a fixed−size key using the HKDF−Extract function as defined in RFC 5869.
Zero or a negative error code on error.
3.6.13
Report bugs to
<[email protected]>.
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