[Cryptography] Rubber-hose resistance?

[Patrick Chkoreff]

I wrote:

> Before you leave to return home, you need to delete all the confidential
> information from the laptop.  To ensure no trace of it remains on the
> disk, the simplest safe way I can imagine is this:
> 
> $ cat /dev/urandom >tmp1
> ...

To clarify, what I mean to say there is that you delete your
confidential information first in the conventional way, e.g.:

rm sales.xls
rm -rf .gpg
rm -rf .ssh
rm -rf project/new_code

Then scrub the free space only *after* doing that.


-- Patrick