gnutls_hmac_get_key_size(3) gnutls gnutls_hmac_get_key_size(3)

gnutls_hmac_get_key_size - API function

#include <gnutls/crypto.h>

unsigned gnutls_hmac_get_key_size(gnutls_mac_algorithm_t algorithm);

the mac algorithm to use

This function will return the size of the key to be used with this algorithm. On the algorithms which may accept arbitrary key sizes, the returned size is the MAC key size used in the TLS protocol.

The key size or zero on error.


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