[48859] in Cypherpunks
Re: encrypted cellphones
daemon@ATHENA.MIT.EDU (Eric Blossom)
Wed Jan 31 21:32:34 1996
Date: Wed, 31 Jan 1996 17:22:50 -0800
From: Eric Blossom <eb@comsec.com>
To: stewarts@ix.netcom.com
Cc: prmoyer@magpage.com, cypherpunks@toad.com
In-Reply-To: <199601310810.AAA00261@ix10.ix.netcom.com> (message from Bill Stewart on Wed, 31 Jan 1996 00:10:08 -0800)
> 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
