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Popular ideas Here are the latest commented ideas about Ubuntu.

clean RAM to prevent "Cold Boot Attacks on Encryption Keys"  
Written by say2sky the 5 Mar 08 at 05:01. Global category: Installation. New
I am using Luks encryption for /home, /swap and /root partition on my Ubuntu 7.10 system but these day some research papers and USB boot application have show it is easy to get encryption key in ram by reboot linux system.

papers and the operation process are in following links
[quote]
Creating bootable USB drives for capturing the contents of memory
http://mcgrewsecurity.com/projects/msramdmp/

Cold Boot Attacks on Encryption Keys
http://citp.princeton.edu/memory/
[/quote]

So Ubuntu need to introduce some way to gradually clean info remained in RAM during system shutdown process to prevent this encryption key disclosure through cold reboot.
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Solution #1: Auto-generated solution of idea #3258
Written by say2sky the 5 Mar 08 at 05:01.
Ubuntu Brainstorm was updated in January 2009. Since the idea #3258 was submitted before this update, its rationale and solution are not separated. Please vote accordingly, and if you have the necessary rights, please separate the rationale from the solution. Thanks!

See the 12 comments or propose a solution (latest comment the 19 Nov 08 at 00:15) >>