Wipe function?

David Shaw dshaw@jabberwocky.com
Wed Aug 27 00:04:02 2003

On Tue, Aug 26, 2003 at 03:42:24PM -0600, Joseph Bruni wrote:

> It's probably not a good idea to burn up all your entropy like
> that. Filling the file full of zeroes would work just as well.

Peter Gutmann wrote a fascinating paper on this subject.  It turns out
that zeroes aren't enough.