diff options
Diffstat (limited to 'src/protocols/ec25519_fhmqvc/state.c')
| -rw-r--r-- | src/protocols/ec25519_fhmqvc/state.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/src/protocols/ec25519_fhmqvc/state.c b/src/protocols/ec25519_fhmqvc/state.c index 79bb6e2..cfb9028 100644 --- a/src/protocols/ec25519_fhmqvc/state.c +++ b/src/protocols/ec25519_fhmqvc/state.c @@ -46,12 +46,15 @@ static void init_protocol_state(void) { /** Generates a new ephemeral keypair */ static void new_handshake_key(keypair_t *key) { - fastd_random_bytes(key->secret.p, SECRETKEYBYTES, false); - ecc_25519_gf_sanitize_secret(&key->secret, &key->secret); + fastd_random_bytes(key->secret.p, SECRETKEYBYTES, false); + ecc_25519_gf_sanitize_secret(&key->secret, &key->secret); - ecc_25519_work_t work; - ecc_25519_scalarmult_base(&work, &key->secret); - ecc_25519_store_packed(&key->public.int256, &work); + ecc_25519_work_t work; + ecc_25519_scalarmult_base(&work, &key->secret); + ecc_25519_store_packed(&key->public.int256, &work); + + if (!divide_key(&key->secret)) + exit_bug("generated invalid ephemeral key"); } /** |