Eh, I know I'm running a little bit behind on my reading, so this is a tad
late for the discussion-- but why not just pluck a hair from your head, wet
it, and smooth it over the door and the wall? Assuming that your enemy isn't
searching for stray hairs, you could just check if it was still there,
In article [EMAIL PROTECTED],
Peter Fairbrother [EMAIL PROTECTED] wrote:
Get the pull from a party popper and wrap it in a dollar bill. Record
the serial number of the bill (some crypto here maybe). Make it impossible
to open the closet without setting the pull off, ie no trapdoor.
Fairly
Get the pull from a party popper and wrap it in a dollar bill. Record
the serial number of the bill (some crypto here maybe). Make it impossible
to open the closet without setting the pull off, ie no trapdoor.
Fairly good tamper-evidence, and the token is hard (and very illegal!) to
forge. Also
Isn't the obvious way to handle this to include an undeveloped
(latent image) photograph of some obscure object, person, or place on
the film rather than just a blank film ? ? You could then develop it
and check for light damage and evidence of lack of authenticity. I
suspect there
On Fri, 3 Jan 2003 07:24:12 +0100 (CET), you wrote:
We have a resourceful adversary, who will quickly learn the
tricks. We need a low-tech technology that will be highly resistant
against undetected tampering by the adversary.
Hindering the adversary is the fact that he must face thousands
