DigitalInfinity/ESP32-PaxCounter
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salting fixed

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This commit is contained in:
Klaus K Wilting 2018-04-01 22:21:00 +02:00
parent 70d7b4f719
commit 2a8aef60a9
1 changed files with 7 additions and 8 deletions
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15
src/wifisniffer.cpp
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@ -79,14 +79,13 @@ void wifi_sniffer_packet_handler(void* buff, wifi_promiscuous_pkt_type_t type) {
addr2int |= (uint64_t) salt << 48; // prepend 16-bit salt to 48-bit MAC
snprintf(macbuf, 21, "%llx", addr2int); // convert unsigned 64-bit salted MAC to 16 digit hex string
hashedmac = rokkit(macbuf, 5); // hash MAC, use 5 chars to fit hash in uint16_t container
newmac = macs.insert(hashedmac); // store hashed MAC if new unique
if (newmac.second) { // first time seen MAC
macnum++; // increment MAC counter
snprintf(counter, 6, "%i", macnum); // convert 16-bit MAC counter to decimal counter value
u8x8.draw2x2String(0, 0, counter); // display counter
ESP_LOGI(TAG, "addr2int: %016llx macbuf: %s", addr2int, macbuf);
ESP_LOGI(TAG, "#%05i: RSSI %04d -> Salt %04x -> Hash %04x", macnum, ppkt->rx_ctrl.rssi, salt, hashedmac);
hashedmac = rokkit(macbuf, 5); // hash MAC string, use 5 chars to fit hash in uint16_t container
newmac = macs.insert(hashedmac); // store hashed MAC only if first time seen
if (newmac.second) { // if first time seen MAC
macnum++; // increment MAC counter
snprintf(counter, 6, "%i", macnum); // convert 16-bit MAC counter to decimal counter value
u8x8.draw2x2String(0, 0, counter); // display counter
ESP_LOGI(TAG, "#%05i: RSSI %04d -> Hash %04x", macnum, ppkt->rx_ctrl.rssi, salt, hashedmac);
}
#ifdef VENDORFILTER