suppose you just use a chunk of RAM as a swap device [http://
kerneltrap.org/node/3660]
Surely you are joking... How can using RAM for a SWAP device possibly make
sense?
The article explains that. Although swap/"virtual memory" initially was
meant to overcome insufficient RAM, the Linux kernel now actually expects it
to be present; erratic behavior has often been reported on machines with
copious amounts of RAM but no swap. "Surely you are joking" was also my
reaction at first.
Given such a setup, is there any reason to fear data leakage to sectors
outside the encrypted partition?
/var/run
/var/tmp
There may well be other places... check the Linux Filesystem Hierarchy
Standard. Also check to see if your installation follows it. Then remove
all application programs, as these may write data to various places...
Then again, apps run by a non-privileged user lack the permissions to write
to that many places on the dir tree other than the user's home dir and the
tmp dirs.
Marv
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Linux-crypto: cryptography in and on the Linux system
Archive: http://mail.nl.linux.org/linux-crypto/
