Gm Seed key algorithms

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Re: Gm Seed key algorithms

Postby antus » Sun Oct 04, 2020 3:23 pm

I think your right, I also found this was a bug in pcmhammer. https://github.com/LegacyNsfw/PcmHacks/ ... b23243a7ee
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Re: Gm Seed key algorithms

Postby Gampy » Sun Oct 04, 2020 7:03 pm

mattyjf01 wrote:I Only Have a GMLAN (Ve) to test on at the moment and none of the Algorithms have used the 2A Function
Test against the dll ...
Temporary is a permanent problem!

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Re: Gm Seed key algorithms

Postby mattyjf01 » Tue Oct 06, 2020 9:53 pm

Found Some seed key pairs on here that used 2A That corroborated what i was thinking
Also the OBDII GM Seed/Key Tool app is wrong too
Noticed You Used Low and high byte the same way in PCMHammer 8-)

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Re: Gm Seed key algorithms

Postby antus » Wed Oct 07, 2020 12:22 am

yeah someone sent us a pull request with that code, I found it when I was looking in to adding support for reading E43 and LB7 PCMs and getting the wrong results, but I didnt realise the oops was likely copied from the document here. The fix is in the pcmhammer development branch, but as those algos are not used in any of the pcms 014 supports at this stage it hasnt warranted an update.
Have you read the FAQ? For lots of information and links to significant threads see here: viewtopic.php?f=7&t=1396

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