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Don't call crypto_aead_aes256gcm_beforenm() if no aesni..

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Adrien Gallouët
2016-10-05 08:01:03 +00:00
parent d255074199
commit 4c34454a23
1 changed files with 5 additions and 3 deletions
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8
mud.c
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@@ -995,12 +995,14 @@ void mud_recv_keyx (struct mud *mud, struct path *path, uint64_t now,
(unsigned char *)&shared_recv, sizeof(shared_recv),
mud->crypto.private.encrypt.key, MUD_KEY_SIZE);
crypto_aead_aes256gcm_beforenm(&key->encrypt.state, key->encrypt.key);
crypto_aead_aes256gcm_beforenm(&key->decrypt.state, key->decrypt.key);
key->aes = (shared_recv.public.send[MUD_PKEY_SIZE-1] == 1) &&
(shared_recv.public.recv[MUD_PKEY_SIZE-1] == 1);
if (key->aes) {
crypto_aead_aes256gcm_beforenm(&key->encrypt.state, key->encrypt.key);
crypto_aead_aes256gcm_beforenm(&key->decrypt.state, key->decrypt.key);
}
mud->crypto.time = now;
}