On 2010-11-06, Vaclav Mocek <little....@email.cz> wrote:
>
> 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?
>
There was a patch for Linux to scramble memory just before halt. However
it has not been pushed to developers nor incoroporated into the Linux.

Unfortunatelly, I cannot find it now. It's few years old code. I rember
it had solved more problems than just this one and that the patch
touched halt(8) utility and kernel.

-- Petr

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