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Checkbyte Quiz

Find the calculation rule of the very last byte of each line

Description

Every line represents a dataset. Every dataset contain 48 byte and every byte is separated by space. At the end of every byte is a checkbyte.

Calculation

  • Find the calculation rule over a dataset (line) without the checkbyte to calculate the this checkbyte.
  • Use the given dataset for validation.

Dataset

  • 03 00 54 20 00 09 72 EC 00 00 00 00 00 01 C6 00 00 02 00 01 FE 07 EE 00 00 00 00 00 00 00 AA 21 17 2A 28 87 E7 00 04 00 00 00 08 87 BC 00 00 42
  • 03 00 54 20 00 09 72 EC 00 00 00 00 00 01 C6 00 00 02 00 01 FE 07 EE 00 00 00 00 00 00 00 AA 21 15 AE 30 87 E7 00 05 00 00 00 08 87 BC 00 00 00
  • 03 00 54 20 00 09 72 EC 00 00 00 00 00 01 C6 00 00 02 00 01 FE 07 EE 00 00 00 00 00 00 00 AA 21 14 e6 48 87 E7 00 06 00 00 00 08 87 BC 00 00 ac
  • 03 00 54 20 00 09 72 EC 00 00 00 00 00 01 C6 00 00 02 00 01 FE 07 EE 00 00 00 00 00 00 00 AA 21 13 6A 48 87 E7 00 04 00 00 00 08 87 BC 00 00 02
  • 03 00 54 20 00 09 72 EC 00 00 00 00 00 01 C6 00 00 02 00 01 FE 07 EE 00 00 00 00 00 00 00 AA 21 11 EE 48 87 E7 00 00 00 00 00 08 87 BC 00 00 6E
  • 03 00 54 20 00 09 72 EC 00 00 00 00 00 01 C6 00 00 02 00 01 FE 07 EE 00 00 00 00 00 00 00 AA 21 06 EA 4E 07 E9 00 04 00 00 00 00 00 00 00 00 26
  • 03 00 54 20 00 09 72 EC 00 00 00 00 00 01 C6 00 00 02 00 01 FE 07 EE 00 00 00 00 00 00 00 AA 21 05 32 86 07 E9 00 05 00 00 00 08 87 BC 00 00 C7
  • 03 00 54 20 00 09 72 EC 00 00 00 00 00 01 C6 00 00 02 00 01 FE 07 EE 00 00 00 00 00 00 00 AA 21 03 7A 86 07 E9 00 01 00 00 00 08 87 BC 00 00 B6
  • 03 00 54 20 00 09 72 EC 00 00 00 00 00 01 C6 00 00 02 00 01 FE 07 EE 00 00 00 00 00 00 00 AA 21 01 C2 9E 07 E9 00 05 00 00 00 08 87 BC 00 00 2D
  • 03 00 54 20 00 09 72 EC 00 00 00 00 00 01 C6 00 00 02 00 01 FE 07 EE 00 00 00 00 00 00 00 AA 21 06 61 28 87 EA 00 05 00 00 00 08 87 BC 00 00 E0
  • 03 00 54 20 00 09 72 EC 00 00 00 00 00 01 C6 00 00 02 00 01 FE 07 EE 00 00 00 00 00 00 00 AA 21 02 CF 38 87 EA 00 05 00 00 00 08 87 BC 00 00 8C
  • 03 00 54 20 00 09 72 EC 00 00 00 00 00 01 C6 00 00 02 00 01 FE 07 EE 00 00 00 00 00 00 00 AA 21 07 3D 40 87 EA 00 06 00 00 00 08 87 BC 00 00 D3
  • 03 00 54 20 00 09 72 EC 00 00 00 00 00 01 C6 00 00 02 00 01 FE 07 EE 00 00 00 00 00 00 00 AA 21 05 74 40 87 EA 00 04 00 00 00 08 87 BC 00 00 85
  • 03 00 54 20 00 09 72 EC 00 00 00 00 00 01 C6 00 00 02 00 01 FE 07 EE 00 00 00 00 00 00 00 AA 21 03 AB 78 87 EA 00 06 00 00 00 08 87 BC 00 00 C5
  • 03 00 54 20 00 09 72 EC 00 00 00 00 00 01 C6 00 00 02 00 01 FE 07 EE 00 00 00 00 00 00 00 AA 21 04 98 80 87 EA 00 05 00 00 00 08 87 BC 00 00 FC
  • 03 00 54 20 00 09 72 EC 00 00 00 00 00 01 C6 00 00 02 00 01 FE 07 EE 00 00 00 00 00 00 00 AA 21 19 E9 98 87 EA 00 05 00 00 00 08 87 BC 00 00 27
  • 03 00 54 20 00 09 72 EC 00 00 00 00 00 01 C6 00 00 02 00 01 FE 07 EE 00 00 00 00 00 00 00 AA 21 18 20 D0 87 EA 00 05 00 00 00 08 87 BC 00 00 E8
  • 03 00 54 20 00 09 72 EC 00 00 00 00 00 01 C6 00 00 02 00 01 FE 07 EE 00 00 00 00 00 00 00 AA 21 16 57 D8 87 EA 00 05 00 00 00 08 87 BC 00 00 87
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