From a6722232fbc33cecf987ccac68324b7d2f6867c9 Mon Sep 17 00:00:00 2001 From: "Jason A. Donenfeld" Date: Wed, 24 May 2017 03:35:35 +0200 Subject: noise: precompute static-static ECDH operation --- src/noise.h | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'src/noise.h') diff --git a/src/noise.h b/src/noise.h index ccceb6b..5e4d9af 100644 --- a/src/noise.h +++ b/src/noise.h @@ -76,9 +76,9 @@ struct noise_handshake { struct noise_static_identity *static_identity; u8 ephemeral_private[NOISE_PUBLIC_KEY_LEN]; - u8 remote_static[NOISE_PUBLIC_KEY_LEN]; u8 remote_ephemeral[NOISE_PUBLIC_KEY_LEN]; + u8 precomputed_static_static[NOISE_PUBLIC_KEY_LEN]; u8 preshared_key[NOISE_SYMMETRIC_KEY_LEN]; @@ -88,7 +88,7 @@ struct noise_handshake { u8 latest_timestamp[NOISE_TIMESTAMP_LEN]; __le32 remote_index; - /* Protects all members except the immutable (after noise_peer_init): remote_static, static_identity */ + /* Protects all members except the immutable (after noise_handshake_init): remote_static, precomputed_static_static, static_identity */ struct rw_semaphore lock; }; @@ -101,7 +101,7 @@ struct message_data; struct message_handshake_cookie; void noise_init(void); -void noise_handshake_init(struct noise_handshake *handshake, struct noise_static_identity *static_identity, const u8 peer_public_key[NOISE_PUBLIC_KEY_LEN], const u8 peer_preshared_key[NOISE_SYMMETRIC_KEY_LEN], struct wireguard_peer *peer); +bool noise_handshake_init(struct noise_handshake *handshake, struct noise_static_identity *static_identity, const u8 peer_public_key[NOISE_PUBLIC_KEY_LEN], const u8 peer_preshared_key[NOISE_SYMMETRIC_KEY_LEN], struct wireguard_peer *peer); void noise_handshake_clear(struct noise_handshake *handshake); void noise_keypair_put(struct noise_keypair *keypair); struct noise_keypair *noise_keypair_get(struct noise_keypair *keypair); @@ -109,6 +109,7 @@ void noise_keypairs_clear(struct noise_keypairs *keypairs); bool noise_received_with_keypair(struct noise_keypairs *keypairs, struct noise_keypair *received_keypair); void noise_set_static_identity_private_key(struct noise_static_identity *static_identity, const u8 private_key[NOISE_PUBLIC_KEY_LEN]); +int noise_precompute_static_static(struct wireguard_peer *peer, void *ctx); bool noise_handshake_create_initiation(struct message_handshake_initiation *dst, struct noise_handshake *handshake); struct wireguard_peer *noise_handshake_consume_initiation(struct message_handshake_initiation *src, struct wireguard_device *wg); -- cgit v1.2.3-59-g8ed1b