void http_digest_calculate_auth_hash(char *dest, const char *user, const char *realm, const char *password);
void http_digest_calculate_response(char *dest, const struct http_digest_data *data);
void http_digest_calculate_auth_hash(char *dest, const char *user, const char *realm, const char *password);
void http_digest_calculate_response(char *dest, const struct http_digest_data *data);