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Fixed possible anonimity leak with the onion routing.

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This commit is contained in:
irungentoo 2014-01-25 13:33:39 -05:00
parent 7b252be299
commit 0d53abebcd
3 changed files with 5 additions and 5 deletions
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2
toxcore/onion.c
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@ -55,7 +55,7 @@ int send_onion_packet(DHT *dht, Node_format *nodes, uint8_t *data, uint32_t leng
memcpy(step1 + sizeof(IP_Port), data, length);
uint8_t nonce[crypto_box_NONCEBYTES];
new_nonce(nonce);
random_nonce(nonce);
uint8_t random_public_key[crypto_box_PUBLICKEYBYTES];
uint8_t random_secret_key[crypto_box_SECRETKEYBYTES];
crypto_box_keypair(random_public_key, random_secret_key);

4
toxcore/onion_announce.c
View File

@ -61,7 +61,7 @@ int send_announce_request(DHT *dht, Node_format *nodes, uint8_t *public_key, uin
ONION_ANNOUNCE_SENDBACK_DATA_LENGTH);
uint8_t packet[ANNOUNCE_REQUEST_SIZE];
packet[0] = NET_PACKET_ANNOUNCE_REQUEST;
new_nonce(packet + 1);
random_nonce(packet + 1);
int len = encrypt_data(nodes[3].client_id, secret_key, packet + 1, plain, sizeof(plain),
packet + 1 + crypto_box_NONCEBYTES + crypto_box_PUBLICKEYBYTES);
@ -253,7 +253,7 @@ static int handle_announce_request(void *object, IP_Port source, uint8_t *packet
to_net_family(&nodes_list[i].ip_port.ip);
uint8_t nonce[crypto_box_NONCEBYTES];
new_nonce(nonce);
random_nonce(nonce);
uint8_t pl[1 + ONION_PING_ID_SIZE + sizeof(nodes_list)];

4
toxcore/onion_client.c
View File

@ -50,7 +50,7 @@ static int new_sendback(Onion_Client *onion_c, uint32_t num, uint8_t *public_key
{
uint8_t plain[sizeof(uint32_t) + sizeof(uint64_t) + crypto_box_PUBLICKEYBYTES + sizeof(IP_Port)];
uint64_t time = unix_time();
new_nonce(sendback);
random_nonce(sendback);
memcpy(plain, &num, sizeof(uint32_t));
memcpy(plain + sizeof(uint32_t), &time, sizeof(uint64_t));
memcpy(plain + sizeof(uint32_t) + sizeof(uint64_t), public_key, crypto_box_PUBLICKEYBYTES);
@ -420,7 +420,7 @@ int send_onion_data(Onion_Client *onion_c, int friend_num, uint8_t *data, uint32
return -1;
uint8_t nonce[crypto_box_NONCEBYTES];
new_nonce(nonce);
random_nonce(nonce);
uint8_t packet[DATA_IN_RESPONSE_MIN_SIZE + length];
memcpy(packet, onion_c->dht->c->self_public_key, crypto_box_PUBLICKEYBYTES);