[TrunkCom] Nextel Digital system

Marcel [email protected]
Sat, 13 Apr 2002 02:20:20 -0400


Wayne I know you know about OTAR.  Normally the encryption key is not sent
over the air except during re-keying.
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>Wayne M H wrote:

You cannot get the encryption key off the air, then use it to keyload
into a radio or piece of equipment.
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Now you are adding functions I never mentioned.

I never said "you can get the encryption key off the air, then use it to
keyload
into a radio or piece of equipment of this unit." The unit is not designed to
export the key.


It will read  the key and demodulate P-25 DES III  Once it is demodulated it
will display the "Key ID". The Key ID follows Federal Information Processing
Standard (FIPS) 46-3, Data Encryption Standard (DES) ANSI X9.52, Triple Data
Encryption Algorithm.

I guess you have not used this unit yet.

I was skeptical also until we got one. As far as illegal ....... The unit
also covers the cellular band so I guess it is really illegal. It was also
illegal for the college students who cracked DES  and printed how they did it
also. If you are coming to IWCE I would be my pleasure to give you a "Hands
on Demo"

I think this horse is dead......


Wayne M H wrote:

> On Sat, 13 Apr 2002 01:38:03 -0400, Marcel <[email protected]>
> wrote:
>
> >Wayne M H wrote:
> >
> >
>
> Marcel, you must know something about encryption. The encryption key
> for DES, or any serious encryption type, is never sent in the
> datastream. And besides, do you think IFR would sell equipment which
> violates US law?
>
> You cannot get the encryption key off the air, then use it to keyload
> into a radio or piece of equipment. What's the point of encryption
> then?