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 Re: Voltcraft Charge Manager 2020 - Monitor Mode access Kategorie: Verschiedenes (von Dietmar, Homepage - 16.01.2006 20:36)
 Als Antwort auf Re: Voltcraft Charge Manager 2020 - Monitor Mode access von TeK - 16.01.2006 0:20
Dietmar nutzt:  CC1-M-Unit V1.1, Advanced CC1-Unit, Open-Micro, Open-Mini, Open-Mini M-Unit, Open-Mini Station
Hello TeK

Thank you for your very interesting informations.

> BTW, is there a "default" key for C-Control or is it up to the user to pick one?

The user can't change the key, it's up to the guy who wrote the operating system to choose one, because the eight security bytes correspond to four interrupt vectors. At least if the interrupts are in use. I can't give you the keys of the C-Control due to legal issues. Maybe you can ask the person who wrote the operating system of the 68HC908-based C-Controls. You already discussed with him: It's DIE HARD.

> Unfortunately, their routine is time-constant.

Yes, I already noticed that the code is time-constant. But the power trace attack sounds quite interesting. Even so the change in supply current must be very small and execution of these 5 cycles take only two microseconds. I'd like to know if a attack is possible that way.

Many Greetings
Dietmar

Meine Homepage: http://ccintern.dharlos.de

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Re: Voltcraft Charge Manager 2020 - Monitor Mode access (von TeK - 16.01.2006 21:59)