NefMoto > Technical > Tuning > me7.5 checksum error
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Author Topic: me7.5 checksum error  (Read 1659 times)
mudgle
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« on: May 17, 2023, 01:41:12 PM »
ok im having a bit trouble with chk on this me7.5. have tried literally every tool there is available for free and all result in 2 rsa errors and no comms. anyone willing to take a look?
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nyet
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« Reply #1 on: May 17, 2023, 04:02:07 PM »
why did you omit the output of me7sum?

RSA looks correct. did you modify any code areas?
« Last Edit: May 17, 2023, 04:03:40 PM by nyet » Logged
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« Reply #2 on: May 17, 2023, 04:11:55 PM »
 Shocked
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mudgle
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« Reply #3 on: May 18, 2023, 04:04:59 AM »
Quote from: nyet on May 17, 2023, 04:02:07 PM
why did you omit the output of me7sum?

RSA looks correct. did you modify any code areas?
im using me7check to verify. me7sum does not give any errors.

this file is bought so have no idea. the company that made it has not answered to my support request yet.
ori file says the same tho 2 rsa error but have comms to ecu with vcds etc. mod file car runs but no comms with vcds or mpps etc
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mudgle
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« Reply #4 on: May 18, 2023, 04:22:44 AM »
Code:

C:\Users\Jimmy\Downloads\me7 checksum corrector\me7 checksum corrector\huawei>ME7Check.exe 8E0909518AA-cked.bin
==============================================================================
ME7Check v1.12 (c) mki, 06/2004-05/2012
Checking file 8E0909518AA-cked.bin (size=1048576)
Reading Version Strings...
-> Bootrom Version = 06.02
-> EPK = 40/1/ME7.5/5/4016.32//24E/Dst01o/030502//
-> Contents of ECUID data table:
   - '0261207934'         (SSECUHN)
   - '1037363497'         (SSECUSN)
   - '8E0909518AA '       (VAG part number)
   - '0001'               (VAG sw number)
   - '1.8L R4/5VT    '    (engine id)
-> Contents of ECUID data table:
   - 'HW_MAN004'

Reading out of flash space at address FFFFFF7A
Reading out of flash space at address FFFFFF7B
Wrong RSA key size (0), expected 1024                 ** NOT OK **
Reading out of flash space at address FFFFFF7C
Reading out of flash space at address FFFFFF7D
Reading out of flash space at address FFFFFF7E
Reading out of flash space at address FFFFFF7F
Reading out of flash space at address FFFFFF80
Reading out of flash space at address FFFFFF81
Reading out of flash space at address FFFFFF82
Reading out of flash space at address FFFFFF83
Reading out of flash space at address FFFFFF84
Reading out of flash space at address FFFFFF85
Reading out of flash space at address FFFFFF86
Reading out of flash space at address FFFFFF87
Reading out of flash space at address FFFFFF88
Reading out of flash space at address FFFFFF89
Reading out of flash space at address FFFFFF8A
Reading out of flash space at address FFFFFF8B
Reading out of flash space at address FFFFFF8C
Reading out of flash space at address FFFFFF8D
Reading out of flash space at address FFFFFF8E
Reading out of flash space at address FFFFFF8F
Reading out of flash space at address FFFFFF90
Reading out of flash space at address FFFFFF91
Reading out of flash space at address FFFFFF92
Reading out of flash space at address FFFFFF93
Reading out of flash space at address FFFFFF94
Reading out of flash space at address FFFFFF95
Reading out of flash space at address FFFFFF96
Reading out of flash space at address FFFFFF97
Reading out of flash space at address FFFFFF98
Reading out of flash space at address FFFFFF99
Reading out of flash space at address FFFFFF9A
Reading out of flash space at address FFFFFF9B
Reading out of flash space at address FFFFFF9C
Reading out of flash space at address FFFFFF9D
Reading out of flash space at address FFFFFF9E
Reading out of flash space at address FFFFFF9F
Reading out of flash space at address FFFFFFA0
Reading out of flash space at address FFFFFFA1
Reading out of flash space at address FFFFFFA2
Reading out of flash space at address FFFFFFA3
Reading out of flash space at address FFFFFFA4
Reading out of flash space at address FFFFFFA5
Reading out of flash space at address FFFFFFA6
Reading out of flash space at address FFFFFFA7
Reading out of flash space at address FFFFFFA8
Reading out of flash space at address FFFFFFA9
Reading out of flash space at address FFFFFFAA
Reading out of flash space at address FFFFFFAB
Reading out of flash space at address FFFFFFAC
Reading out of flash space at address FFFFFFAD
Reading out of flash space at address FFFFFFAE
Reading out of flash space at address FFFFFFAF
Reading out of flash space at address FFFFFFB0
Reading out of flash space at address FFFFFFB1
Reading out of flash space at address FFFFFFB2
Reading out of flash space at address FFFFFFB3
Reading out of flash space at address FFFFFFB4
Reading out of flash space at address FFFFFFB5
Reading out of flash space at address FFFFFFB6
Reading out of flash space at address FFFFFFB7
Reading out of flash space at address FFFFFFB8
Reading out of flash space at address FFFFFFB9
Reading out of flash space at address FFFFFFBA
Reading out of flash space at address FFFFFFBB
Reading out of flash space at address FFFFFFBC
Reading out of flash space at address FFFFFFBD
Reading out of flash space at address FFFFFFBE
Reading out of flash space at address FFFFFFBF
Reading out of flash space at address FFFFFFC0
Reading out of flash space at address FFFFFFC1
Reading out of flash space at address FFFFFFC2
Reading out of flash space at address FFFFFFC3
Reading out of flash space at address FFFFFFC4
Reading out of flash space at address FFFFFFC5
Reading out of flash space at address FFFFFFC6
Reading out of flash space at address FFFFFFC7
Reading out of flash space at address FFFFFFC8
Reading out of flash space at address FFFFFFC9
Reading out of flash space at address FFFFFFCA
Reading out of flash space at address FFFFFFCB
Reading out of flash space at address FFFFFFCC
Reading out of flash space at address FFFFFFCD
Reading out of flash space at address FFFFFFCE
Reading out of flash space at address FFFFFFCF
Reading out of flash space at address FFFFFFD0
Reading out of flash space at address FFFFFFD1
Reading out of flash space at address FFFFFFD2
Reading out of flash space at address FFFFFFD3
Reading out of flash space at address FFFFFFD4
Reading out of flash space at address FFFFFFD5
Reading out of flash space at address FFFFFFD6
Reading out of flash space at address FFFFFFD7
Reading out of flash space at address FFFFFFD8
Reading out of flash space at address FFFFFFD9
Reading out of flash space at address FFFFFFDA
Reading out of flash space at address FFFFFFDB
Reading out of flash space at address FFFFFFDC
Reading out of flash space at address FFFFFFDD
Reading out of flash space at address FFFFFFDE
Reading out of flash space at address FFFFFFDF
Reading out of flash space at address FFFFFFE0
Reading out of flash space at address FFFFFFE1
Reading out of flash space at address FFFFFFE2
Reading out of flash space at address FFFFFFE3
Reading out of flash space at address FFFFFFE4
Reading out of flash space at address FFFFFFE5
Reading out of flash space at address FFFFFFE6
Reading out of flash space at address FFFFFFE7
Reading out of flash space at address FFFFFFE8
Reading out of flash space at address FFFFFFE9
Reading out of flash space at address FFFFFFEA
Reading out of flash space at address FFFFFFEB
Reading out of flash space at address FFFFFFEC
Reading out of flash space at address FFFFFFED
Reading out of flash space at address FFFFFFEE
Reading out of flash space at address FFFFFFEF
Reading out of flash space at address FFFFFFF0
Reading out of flash space at address FFFFFFF1
Reading out of flash space at address FFFFFFF2
Reading out of flash space at address FFFFFFF3
Reading out of flash space at address FFFFFFF4
Reading out of flash space at address FFFFFFF5
Reading out of flash space at address FFFFFFF6
Reading out of flash space at address FFFFFFF7
Reading out of flash space at address FFFFFFF8
Reading out of flash space at address FFFFFFF9
Reading out of flash space at address FFFFFFFA
Reading out of flash space at address FFFFFFFB
Reading out of flash space at address FFFFFFFC
Reading out of flash space at address FFFFFFFD
Reading out of flash space at address FFFFFFFE
Reading out of flash space at address FFFFFFFF
rsa: signature too large for modulus

RSA signature failure found
-> Found 2 errors!!!   *******************************
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_nameless
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« Reply #5 on: May 18, 2023, 07:24:40 AM »
That is what I got when I ran it threw RCU fix.
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nyet
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« Reply #6 on: May 18, 2023, 03:52:45 PM »
Quote from: mudgle on May 18, 2023, 04:04:59 AM
this file is bought

Fix this problem. This is a DIY site, not "Fix the garbage you paid somebody to make" Smiley
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ME7.1 tuning guide
ECUx Plot
ME7Sum checksum
Trim heatmap tool

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
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