cyberchallenge-modem/keygen/Readme.md
2020-05-19 18:00:50 +02:00

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## Keygen
Il codice responsabile per la generazione della chiave WPA di ogni dispostivo.
### Pseudocode
```
function gen_password(mac, serial) {
string password
seed1 = sha256(mac)
seed2 = hex(sha256(serial))
len = 32
mersenne_twister_seed(seed1)
for (i = 0; i < len; i++) {
password += seed2[mersenne_twister_random_int(0, 64)]
}
return password
}
```
### Esempio
```
MAC: 001122AABBCC
Serial: ccos-0b3a78ed55f198a2ee10
Seed1: 660c8cb054aa34ae74a263d9bd5d1683c4c12965eedabb5acaf21f3286d0ba7e
Seed2: 348157c94b63c412dd07f07db62cc8c32564f13e9bb0419ebae08958ad1fd3b2
Indexes: 6 48 14 41 21 53 41 39 0 45 50 4 28 11 9 13 17 8 41 19 21 26 32 57 24 52 46 11 39 20 9 38
Password: cb1b09be31e5c3b4d4b7022db893efb3
```