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Author Topic: RSA Signature error  (Read 4812 times)
KasperH
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« on: August 26, 2016, 04:07:21 AM »

Hello Nefmoto cummunity Smiley

i tried flashing a self modified bin file yesterday.
The car started and ran fine first time but wouldnt turn over and i had to boot mode flash a stock file to get it to run again.
i checksummed the file with mtx and me7check before flashing and there were 0 checksum errors but a rsa signature error,
and i suspect rsa error to "brick" the ecu.

is there any way to fix the rsa error or disable rsa checking?

thanks in advance.
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SB_GLI
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« Reply #1 on: August 26, 2016, 07:35:33 AM »

mtx plugin is old news and doesn't correct RSA.   Use me7sum and profit.
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KasperH
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« Reply #2 on: August 26, 2016, 10:49:42 AM »

i made a spelling mistake, i used me7sum, not me7check Smiley
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nyet
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« Reply #3 on: August 26, 2016, 11:14:54 AM »

It is not possible that you used ME7Sum to *correct* and ended up with a rsa error.
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ME7.1 tuning guide
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prj
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« Reply #4 on: August 27, 2016, 08:07:27 PM »

Did you use NLS/LC patcher on your binary?
If yes, that is the reason for the RSA error.

Either turn RSA off or implement NLS/LC so that it does not overwrite memory regions responsible for RSA calculation.
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