David Honig <[EMAIL PROTECTED]> writes:

> Has anyone ever studied how hard it is to wipe a rewritable CD? 
> I'd imagine the STM tricks you can play with a magdisk also work,
> with the right tip..

Just write only encrypted data to the CD-RW. Keep the key on your hard
drive. Have your passphrase or whatever other authentication method
you use decrypt the key on the hard drive, and then have your system
use this second key to decrypt the CD-RW. When you want to destroy the
CD, toast the file on your hard drive. The first key can also be on a
ZIP disk if you're concerned about physical security.


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