Re: British Authorities May Get Wide Power to Decode E-Mail

[Esteban Gutierrez-Moguel]

On Thu, 20 Jul 2000, Marcel Popescu wrote:

> > This is no big deal.  Just keep all of your keys on a smart card or
> > an iButton.  When you get into trouble, drop it into the nearest
> > sewer. "I don't know what happened to that card, your Honor; it was
> > in my wallet yesterday."

> You have to PROVE that you don't have it (and most likely that you didn't
> "lose" it on purpose), or go to jail for two years.

a solution that problem could be a cipher where a key (K1) decrypts the
ciphertext to the real text and a key (K2) decrypts the ciphertext to a
meaningful text, but not the real one. In that way if the police requires
the key you can provide K2 and nothing is lost.


esteban.