cryptophone ideas

Perry E. Metzger perry at snark.imsi.com
Fri Apr 22 11:02:34 PDT 1994



Jamie Lawrence says:
> I am not sure if I am not explaining myself clearly or if you are being
> intentionally dense.
> 
> The point is that if we know our stuff, have way too much liesure time and
> are dedicated to difficult solutions, my cellular and your cellular could
> be hacked to make use of the DSP as a co/dec for what ever we wish
> it to.

Analog cellphones do not have real DSP in them. They are ANALOG you
see. The digital cellphones can't be encrypted without cooperation of
the base station.

Perry






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