Sorry fürs Neudeutsch aber der thread stammt aus comp.arch.embedded bzw. misc.business.product-dev. Es geht um einen verschlüsselten Controller bzw. dessen Sicherheit.
Guy Macon:
If you are bound by export restrictions, the Dallas/Maxim
> DS5002 may be an acceptable (but less secure) alternative.
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Uwe Hercksen:
Markus Kuhn has shown 1996 that the DS5002 is not very secure:
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Guy Macon:
Thanks! Alas, I don't speak German; does the paper say whether
> they were able to extract the entire contents, and if so how long
> it took to do so?
Alfkatz:
Heree's the English translation
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> and the sequel:
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Deliano:
The orginal text is the Diplomarbeit ( not quite a Ph.D
> but somewhat similar ) from Kuhn, 31. July 1996. Its
> making no specific claims. Seems the hardware is ready,
> and some tests of the software are on the way.
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> Thats not the translation.
> Its a probably shortened version of:
> Ross Anderson, Markus Kuhn
> "Its Tamper Resistance - a Cautionary Note"
> The Second USENIX Workshop on Electronic Commerce Proceedings,
> 18. November 1996
> ... It won the best paper award at that conference."
> Here are specific claims indeed:
> "One of us (Kuhn) has designed and demonstrated an effective
> practical attack that has already yielded all the secrets of
> some DS5002FP based systems used for pay-TV access control
> and also broken a code lock provided as a challenge by the
> German Federal Agency for Information Technology Security
> (BSI)."
> "in fact we typically need less than 2,500 attempts."
> "The details will be presented in a separate publication, ..."
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> That text
> Anderson Kuhn "Low cost Attacks on Tamper Resistant Devices"
> refers only to
> Ross Anderson, Markus Kuhn
> "Its Tamper Resistance - a Cautionary Note"
> and contains no technical detail.
Google gibt bezüglich "Kuhn DS5002*" nicht allzuviel her, ist ja auch nicht taufrisch. Kann sich jemand daran erinnern ob ehedem was ( halbwegs seriöses ) darüber in Deutschland publiziert wurde ? c´t ?
MfG JRD