1996-02-01 - Re: encrypted cellphones

Header Data

From: Eric Blossom <eb@comsec.com>
To: stewarts@ix.netcom.com
Message Hash: 63a9c3bd3245e0e4fa2ba934d40d8e2272a5e0246fa8c36cd157f01368ecab2e
Message ID: <199602010122.RAA19810@comsec.com>
Reply To: <199601310810.AAA00261@ix10.ix.netcom.com>
UTC Datetime: 1996-02-01 02:54:33 UTC
Raw Date: Thu, 1 Feb 1996 10:54:33 +0800

Raw message

From: Eric Blossom <eb@comsec.com>
Date: Thu, 1 Feb 1996 10:54:33 +0800
To: stewarts@ix.netcom.com
Subject: Re: encrypted cellphones
In-Reply-To: <199601310810.AAA00261@ix10.ix.netcom.com>
Message-ID: <199602010122.RAA19810@comsec.com>
MIME-Version: 1.0
Content-Type: text/plain


> Cellphones, of course, can only (usefully) use encryption if the
> cellular service provider uses it (i.e. if the end that's listening
> to your radio transmission can decode it :-)  American cell-phone 
> providers don't.  The GSM phones used in much of the world have encryption,
> but it's apparently not very strong.

Don't forget the more attractive option: End-to-end.  Why leave the
plaintext available for the cellular provider?

Eric





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