Seed & Key - Ford Can Bus Algorithm

Hello,

I need help to find the algorithm to calculate the Key knowing the respective Seed.

This is implemented on a vehicle. This system uses a 5 byte Seed and 5 byte Key.

Having access to the vehicle I can simulate the Seed and check the answer Key. So, I can get as many examples as needed.

If instead of the examples you prefer to discover the algorithm inside the Flash memory of Tricore I can also provide.

SEED: 00 01 00 00 00 KEY: B2 33 32 2B 68

SEED: 00 00 01 00 00 KEY: 45 75 7A F5 10

SEED: 00 00 00 01 00 KEY: 60 8F 92 D7 5F

SEED: 00 00 00 00 01 KEY: 38 51 B0 DE 9B

SEED: 01 01 01 01 01 KEY: 9E F9 5D 7D 10

SEED: 02 02 02 02 02 KEY: 69 BB 96 39 21

SEED: 03 03 03 03 03 KEY: 6C 59 04 20 D8

SEED: 02 00 00 00 00 KEY: 5E 13 DE 2D A4

SEED: 00 02 00 00 00 KEY: C3 87 D4 E2 62

SEED: 00 00 02 00 00 KEY: EA 43 7D 07 72

SEED: 00 00 00 02 00 KEY: 63 D7 10 B2 FC

SEED: 00 00 00 00 02 KEY: EA 1D D8 80 51

SEED: 00 00 00 00 03 KEY: 7B 11 81 C7 94

SEED: 00 00 00 00 04 KEY: 32 CA 67 71 69

SEED: FF FF FF FF FF KEY: 45 C5 44 21 71

SEED: FF FF FF FF FE KEY: 5B 4A 94 9D E7

SEED: 80 F4 87 62 78 KEY: 83 DD 20 C9 4E

SEED: 68 8C 72 85 13 KEY: BA 2C A6 82 1E

SEED: 3D C1 1F 73 34 KEY: 8B 6B 7B 5D B0

SEED: 2B 20 88 50 15 KEY: F0 85 2A A1 D7

SEED: 28 31 D4 FD EE KEY: 2A C0 D6 87 FF

Навыки: Программирование на С, Программирование на C++, Алгоритмы, Algorithm Analysis

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ID проекта: #28520584