On Sun, Jul 15, 2012 at 1:52 PM, Seth David Schoen <[email protected]> wrote: > ... Wei et al. say from experiments that overwriting > free space is _not_ very effective. > > https://www.usenix.org/events/fast11/tech/full_papers/Wei.pdf > > ... They say that "[t]he SSDs > we tested contain between 6 and 25% more physical flash storage than they > advertise as their logical capacity".
the only rational approach is to use Full Disk(Flash) Encryption. then secure wipe becomes zeroisation of the disk encryption key, which renders the storage entropy. secure key management is another tangent, for which secure deletion rears its ugly head again... _______________________________________________ liberationtech mailing list [email protected] Should you need to change your subscription options, please go to: https://mailman.stanford.edu/mailman/listinfo/liberationtech If you would like to receive a daily digest, click "yes" (once you click above) next to "would you like to receive list mail batched in a daily digest?" You will need the user name and password you receive from the list moderator in monthly reminders. You may ask for a reminder here: https://mailman.stanford.edu/mailman/listinfo/liberationtech Should you need immediate assistance, please contact the list moderator. Please don't forget to follow us on http://twitter.com/#!/Liberationtech
