Function subkey_from_hmac

common/hmac.c:38–45

}

void subkey_from_hmac(const char *prefix,
		      const struct secret *base,
		      struct secret *key)
{
	struct hmac h;
	hmac(base->data, sizeof(base->data), prefix, strlen(prefix), &h);
	CROSS_TYPE_ASSIGNMENT(&key->data, &h.bytes);
}

void towire_hmac(u8 **pptr, const struct hmac *hmac)
{