Function sha_mix_in

connectd/handshake.c:209–217

h = SHA-256(h || data) */

/* h = SHA-256(h || data) */
static void sha_mix_in(struct sha256 *h, const void *data, size_t len)
{
	struct sha256_ctx shactx;

	sha256_init(&shactx);
	sha256_update(&shactx, h, sizeof(*h));
	sha256_update(&shactx, data, len);
	sha256_done(&shactx, h);
}

/* h = SHA-256(h || pub.serializeCompressed()) */
static void sha_mix_in_key(struct sha256 *h, const struct pubkey *key)