ME7Sum

Checksum/CRC checker/corrector for Motronic ME7.1 firmware images. Download binaries here: (by nyetwurk)

ME7Sum Alternatives

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ME7Sum reviews and mentions

Posts with mentions or reviews of ME7Sum. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-08-29.
  • ECU resources
    8 projects | /r/CarHacking | 29 Aug 2022
    ME7Sum: https://github.com/nyetwurk/ME7Sum . Reads, analyzes, and fixes the complex proprietary checksum system used in old Bosch ECUs. Checksums in newer control units have mostly gotten simpler as more RAM and CPU were available and "multipoint" schemes were less necessary. Also can correct the very silly ME7.5 RSA signature system, where firmware was signed but self-checked using a public key contained... inside of the firmware. So the key could just be replaced and the firmware re-signed. Interesting read to understand the often arcane proprietary checksum routines manufacturers love to use.

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Basic ME7Sum repo stats
1
76
0.0
over 1 year ago

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