Definition file: Difference between revisions
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Definition files allow raw binary data to be represented logically. They are the critical link between programmers and tuners - neither is much use without the other. |
Definition files allow raw binary data to be represented logically. They are the critical link between programmers and tuners - neither is much use without the other. |
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"Because there's money in selling these codes (sometimes upwards of $50,000), the industry has little incentive to embrace the community |
"Because there's money in selling these codes (sometimes upwards of $50,000), the industry has little incentive to embrace the community" Malicious actors have damped public and community progress for decades and "...wont be motivated to share their findings" (p.64-65, Smith) |
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=Two Main forms:= |
=Two Main forms:= |
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Revision as of 22:47, 6 December 2022
Definition files allow raw binary data to be represented logically. They are the critical link between programmers and tuners - neither is much use without the other.
"Because there's money in selling these codes (sometimes upwards of $50,000), the industry has little incentive to embrace the community" Malicious actors have damped public and community progress for decades and "...wont be motivated to share their findings" (p.64-65, Smith)
Two Main forms:
*.kp - WinOLS
- - Rare in public.
- - Purchased or leaked files
- - Linked to expensive software
*.xdf - TunerView
- - Common in public
- - Can be created from *.kp files via scripts
- - Freeware and community driven
Other
*.ols - WinOLS project
- - contains definitions, original bin, and project bin packaged together
- - *.bin data can be extracted via hex editor
*.a2l aka Damos - includes definitions of all values
- - Ideally a leak from Mfg service department, or OE tuner.
- - Rarely does it contain every map or byte/bit value.
- - marketing/slang term based off ASAM MCD-2 MC standard
See: https://www.asam.net/standards/detail/mcd-2-mc/wiki/
Source(s): The Car Hacker's Handbook - A Guide for the Penetration Tester (Craig Smith)