Re: DRAM data persistence

dhaude@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx (Haude Daniel) wrote:

Nico Coesel wrote:

Any modern OS clears the memory before freeing it for use
by other tasks.

This is not correct.

This is very correct otherwise there would be a huge security hole.

Name ONE operating system that does this. Besides, if I were to write a
program for which leftover RAM (or swap) content was a security hole, I'd
clear that memory myself before releasing it, rather than relying on your
imaginary OS feature.


Read about security certification:
http://www.sgi.com/products/software/linux/security.html

"- Object reuse functionality to clear file system and memory objects
before re-use"

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