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Re: Newt's phone calls



In article <[email protected]>,
Declan McCullagh  <[email protected]> wrote:
> The only other journalist who was there made an interesting point, that
> encrypting cell phone traffic only up to the point it hits the phone
> system wouldn't hinder L.E. access but would protect privacy. (Or,
> perhaps, would be worse in the long term since we wouldn't have such
> luscious examples.) 

This is well-known.  GSM does this, for example.  I've seen the point
made in several textbooks.

I don't know of any cellular systems that do end-to-end encryption
(which would stop wiretapping at the landline switch) as opposed to
airlink encryption.  Does anyone else?