On 10-11-06 07:36 PM, Vaclav Mocek wrote: > Hi all, > > I have read some articles about the Cold Boot Attacks and I am > wondering whether my Fedora box is protected against such kinds of > attack, at least to some extent. > > I work like an Embedded SW/HW Developer and my experience is that data > could remain in the dynamic memory for quite long time, even in the room > temperature. I have used it successfully for debugging, when a booting > routine after the cold reset copies some parts of memory to another > location which could be read lately. > > It would be usefull to overwrite some parts of memory (keys etc.), > before the computer is switched off. So, my question is: Is there > already implemented and used some kind of protection? > > Vaclav M. It's a bit of a tangent, but I think Xen's dom0 kernel does this on boot. If so, perhaps it's code can be adapted? I think it would be a nice (optional?) feature, to be honest. Of course, this doesn't help if power is suddenly cut, but combined with encrypted storage, it would help remove another vector. -- Digimer E-Mail: digimer@xxxxxxxxxxx AN!Whitepapers: http://alteeve.com Node Assassin: http://nodeassassin.org -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
