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Software Tuning Discuss all software tuning topics. |
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09-11-2019, 05:04 PM | #15 |
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I think this is a very interesting project. Ecutek is rumored to change the key seed algorithm. You should be able to figure the algorithm out by either disassemling the Ecutek software/driver (DESKey locked, so quite hard) or by sniffing the USB or OBD2 traffic when first writing a locked Ecutek map.
Re-create the map using the dumped/sniffed data and disassemble it in IDA. The key seed should be in there. Please keep me posted on your progress. I have experience from cracking other similar DRM systems. |
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09-11-2019, 05:33 PM | #16 | |
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Thanks for your reply, but can we please try to keep this on topic? |
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09-11-2019, 05:39 PM | #17 | |
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Unlocked tunes are available for purchase, but will cost you deep 6 figures, and a host of legal documents. Reverse engineering a tune is not difficult for anyone knowledgeable, but anyone with that knowledge wouldn't bother reverse engineering a tune; they'd rather tune it themselves. |
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09-11-2019, 05:53 PM | #18 | |
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Call me skeptical, but Delicious has tuned dozens to hundreds of these cars. It's safe to say that they're pretty good at it. What exactly are you looking to improve?
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09-11-2019, 08:50 PM | #19 | |
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09-12-2019, 01:43 AM | #20 | |
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Did you read the exceptions? "Computer programs that are contained in and control the functioning of a motorized land vehicle such as a personal automobile," Also, there's no DMCA where I live :-) |
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09-12-2019, 02:44 AM | #21 |
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Yet. There will be. EU is happy to also becoming similar state. Matter of time.
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09-12-2019, 05:25 AM | #22 | |
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Given enough time and effort most stuff can be cracked but here is a much simpler way if you just want to have a failsafe backup tune. Buy a spare ecu on ebay or one from Auto recyclers. AFAIK all the ecu are same auto manual any year. Ive swapped or assised in at least 10 or more swaps. You will likely need a flash tool like tactrix or even ecutek will work to be able to flash in a compatable ecu calibration to your spare ecu unless you get one from same year model and country. Anyway all you need to do is aquire the spare ecu program it up using whaever flash tool your using . Best to avoid oft for this as it doesnt like changing calid, i can get around it but its a pain in the arse. Its just far easier to use ecutek or tactrix or brzedit. Remove your current ecu with ecutek tune. Then swap in your spare ( they are usually less than $100 usa) program up your spare ecu with a compatable calid for your car then tune on spare ecu. If you want at any time you can swap back to your original ecu jist takes 30 minutes each time to sync ecu to security in car. Jist slide your spare ecu in next to current one and swap the 4 plugs over if you want as well saves time. No cracking needed and your not going to upset anyone and you can achieve what you need to do Ecu swap proceedure here. http://www.ft86club.com/forums/showthread.php?t=102810 Tell me your current ecu tune calibration id like ZA1JB01C or whatever it is and ill sort a tactrix compatable rom and definition for you. Or even jist the year of car and transmission type will do |
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09-12-2019, 06:39 AM | #23 | |
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I'm not going to stop someone from tinkering, but it should be known that this is theft being discussed. |
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09-12-2019, 03:45 PM | #24 | |
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In one breath you state that somebody that paid for a tune should have access to it and in another you insist it is OK since you are not the one that paid for it. Well which is it? It would appear that your motives are not what you claim them to be. The tune is proprietary whether you are the one that had it done or not. You want to change it then just pay the fees to Delicious and be done with it. Let's see what they have to say. @DeliciousTuning
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09-13-2019, 03:26 AM | #25 | |||
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Seems like it all a bit of a grey area . All tune systems and tuners basicly crack the stock ecu seed key locks then they read out stock ecu code, change it a bit then resell it to people as a tuned rom but its 95% or more the stock ecu code with some changes. Do all these people pay or get permission manufacturers ?? Probably not |
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09-13-2019, 04:13 AM | #26 |
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The DMCA is all about protecting copyrights. It's stupid, but that's what it's about.
Is a car's tune copyrightable? The ECUTEK code is, but the actual tune settings? Seems questionable, but IANAL.
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09-13-2019, 05:21 AM | #27 | |
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This ^^ It would be bold (stupid) by Ecutek/DT to chase down someone who (for personal use) cracked their key seed and dumped/changed their rom. Let's remember that Ecutek did crack the Denso/Subaru key seed algorithm, dumped the (copyrighted?) Denso/Subaru rom, changed it, and now making profit from it. Ecutek can bark loudly about their copyright, but I see no risk in modifying my own car software - just like I crack my game console, 3d printer, mobile phone, etc. |
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09-16-2019, 02:14 PM | #28 | ||||
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I have been away for a week. I will try to address everything here.
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Lets say I buy calculator program for my personal use. Unfortunately it doesn't have some functionality that I want. So I code it into the existing code. THAT IS NOT THEFT. That is essentially what I am trying to do here. I purchased a product, and used/modified it for myself. I am not providing this tune for anyone to have. I simply want to crack the seed, and modify the code. |
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