diff options
Diffstat (limited to 'src/noise.c')
| -rw-r--r-- | src/noise.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/src/noise.c b/src/noise.c index bab8e7c..b70504f 100644 --- a/src/noise.c +++ b/src/noise.c @@ -42,17 +42,16 @@ void __init noise_init(void) blake2s_final(&blake, handshake_init_hash, NOISE_HASH_LEN); } +/* Must hold peer->handshake.static_identity->lock */ bool noise_precompute_static_static(struct wireguard_peer *peer) { bool ret = true; - down_read(&peer->handshake.static_identity->lock); down_write(&peer->handshake.lock); if (peer->handshake.static_identity->has_identity) ret = curve25519(peer->handshake.precomputed_static_static, peer->handshake.static_identity->static_private, peer->handshake.remote_static); else memset(peer->handshake.precomputed_static_static, 0, NOISE_PUBLIC_KEY_LEN); up_write(&peer->handshake.lock); - up_read(&peer->handshake.static_identity->lock); return ret; } @@ -227,12 +226,11 @@ bool noise_received_with_keypair(struct noise_keypairs *keypairs, struct noise_k return true; } +/* Must hold static_identity->lock */ void noise_set_static_identity_private_key(struct noise_static_identity *static_identity, const u8 private_key[NOISE_PUBLIC_KEY_LEN]) { - down_write(&static_identity->lock); memcpy(static_identity->static_private, private_key, NOISE_PUBLIC_KEY_LEN); static_identity->has_identity = curve25519_generate_public(static_identity->static_public, private_key); - up_write(&static_identity->lock); } /* This is Hugo Krawczyk's HKDF: |