[7836] in cryptography@c2.net mail archive
Re: Oh for a decently encrypted mobile phone...
daemon@ATHENA.MIT.EDU (ji@research.att.com)
Mon Sep 18 16:03:50 2000
From: ji@research.att.com
Date: Mon, 18 Sep 2000 15:59:20 -0400 (EDT)
Message-Id: <200009181959.PAA07889@bual.research.att.com>
To: cryptography@c2.net
I think it was Bill Simpson who wrote:
> I've advocated for a half dozen years now that we approach some mass
> commercial vendor of wireless phones (say vtech or conair) and ask
> to add security code. These phones are all digital spread spectrum,
> yet connect to normal analog lines. No reasons why the security
> couldn't be end-to-end.
Lots of reasons. The base unit of those phones has a D-A
converter, and talks to the analog network. The digital part is only
for the over-the-air connection. And even that is not mandatory; you
can do spread-spectrum and still have analog modulation.
/ji, anxiously waiting for his Starium phones.
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