Hello Everyone
I've been working on a Fiat meter recently

The seed key looks like this

0x18DA60F1x  02 27 05 00 00 00 00 00 ask about seed
0x18DAF160x  06 67 05 40 6D 16 F4     seed
0x18DA60F1x  06 27 06 28 FC D3 FA 00 key
0x18DAF160x  02 67 06             status key - OK

             Seed & Key Pairs
0x18DAF160x  06 67 05 16 B5 45 33
0x18DA60F1x  06 27 06 8F CE D2 EC 00
0x18DAF160x  06 67 05 A4 7C 51 53
0x18DA60F1x  06 27 06 7E 46 B9 72 00
0x18DAF160x  06 67 05 13 CD 31 37
0x18DA60F1x  06 27 06 9A 92 BC 16 00
0x18DAF160x  06 67 05 3D 0C 7F 7F
0x18DA60F1x  06 27 06 D9 94 D4 D8 00
0x18DAF160x  06 67 05 EC 0D 5B 54
0x18DA60F1x  06 27 06 CF 7F C9 30 00
0x18DAF160x  06 67 05 9F 68 BF 21
0x18DA60F1x  06 27 06 27 73 6E 74 00
0x18DAF160x  06 67 05 FC 87 F2 62
0x18DA60F1x  06 27 06 9C 03 09 8B 00
0x18DAF160x  06 67 05 57 46 A6 F5
0x18DA60F1x  06 27 06 47 35 CC C7 00
0x18DAF160x  06 67 05 C1 C4 AB 2C
0x18DA60F1x  06 27 06 7B 0D 26 A9 00
0x18DAF160x  06 67 05 7E 8F 47 BB
0x18DA60F1x  06 27 06 75 6F E5 60 00


Does anyone of you know the calculation method and can tell me how to calculate it?
BR CrimSoon

Thank you for your contribution to solving the problem.
Vocabulary is one thing - culture is another

If you know how to calculate it, help instead of writing badly