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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 |