| 1 | #ifndef IKEYS_H |
| 2 | #define IKEYS_H |
| 3 | |
| 4 | |
| 5 | /** |
| 6 | * @brief |
| 7 | *Definition 11. Let the function hash0 : F 82 × F 82 × (F 62 ) 8 → (F 82 ) 8 be defined as |
| 8 | * hash0(x, y, z [0] . . . z [7] ) = k [0] . . . k [7] where |
| 9 | * z'[i] = (z[i] mod (63-i)) + i i = 0...3 |
| 10 | * z'[i+4] = (z[i+4] mod (64-i)) + i i = 0...3 |
| 11 | * ẑ = check(z'); |
| 12 | * @param c |
| 13 | * @param k this is where the diversified key is put (should be 8 bytes) |
| 14 | * @return |
| 15 | */ |
| 16 | void hash0(uint64_t c, uint8_t k[8]); |
| 17 | int doKeyTests(uint8_t debuglevel); |
| 18 | /** |
| 19 | * @brief Performs Elite-class key diversification |
| 20 | * @param csn |
| 21 | * @param key |
| 22 | * @param div_key |
| 23 | */ |
| 24 | |
| 25 | void diversifyKey(uint8_t csn[8], uint8_t key[8], uint8_t div_key[8]); |
| 26 | /** |
| 27 | * @brief Permutes a key from standard NIST format to Iclass specific format |
| 28 | * @param key |
| 29 | * @param dest |
| 30 | */ |
| 31 | |
| 32 | #endif // IKEYS_H |