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| Subject: | Re: Flash Memory Wiping |
|---|---|
| Date: | Wed, 24 Jan 2007 12:16:31 -0600 |
For some good discussions on the implications of writing to flash and how the wear-leveling algorithms incorporated by them get in the way of erasure and overwriting, I would recommend the following links:
http://forums.truecrypt.org/viewtopic.php?t=1702 http://bbs.heidi.ie/viewtopic.php?t=1568&sid=60ea6000a914dced82196c64783feacc
Lou Losee atsec information security corp.
On Monday 22 January 2007 12:55, C Anctil wrote: > I would encrypt the the files before deleting them. If they ever get > recovered, they would at least be encrypted. I would use something > like truecrypt.
This also would not work so well on flash, as you would likely wind up with encrypted and unecrypted versions sitting on the flash simultaneously. Overwriting works oddly with flash...
cheers, --dr
-- World Security Pros. Cutting Edge Training, Tools, and Techniques London, U.K. Mar 1-2 - 2007 http://eusecwest.com pgpkey http://dragos.com/ kyxpgp
-- Artificial Intelligence is no match for Natural Stupidity
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