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Re: Existing digital phone encryption

daemon@ATHENA.MIT.EDU (Jered J Floyd)
Tue Mar 31 10:56:47 1998

To: Phil Karn <karn@qualcomm.com>
Cc: cryptography@c2.net
From: Jered J Floyd <jered@mit.edu>
Date: 31 Mar 1998 03:23:44 -0500
In-Reply-To: Phil Karn's message of Mon, 30 Mar 1998 21:55:48 -0800 (PST)


> IS-54 TDMA encryption is a joke. [...]

I have a Qualcomm Q-Phone with Sprint PCS service, and haven't been
able to pry out much information on crypto (or using the phone as
anything other than a voice device, for that matter.)  What is the
crypto like in IS-95/J-STD-008 CDMA?

(Right, I suppose I could read through the entire standard, but that
would cost money to buy, and wouldn't tell me what's actually being
used if parts are optional.)

--Jered

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