[9317] in cryptography@c2.net mail archive
Re: NYC events and cell phones
daemon@ATHENA.MIT.EDU (Bill Stewart)
Sun Sep 16 02:23:01 2001
Message-Id: <5.0.2.1.1.20010915222005.0311c7f0@idiom.com>
Date: Sat, 15 Sep 2001 22:22:23 -0700
To: "Angelos D. Keromytis" <angelos@cs.columbia.edu>
From: Bill Stewart <bill.stewart@pobox.com>
Cc: cryptography@wasabisystems.com
In-Reply-To: <200109131159.f8DBxd204537@coredump.cs.columbia.edu>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"; format=flowed
At 07:59 AM 09/13/2001 -0400, Angelos D. Keromytis wrote:
>An interesting bit of information: on Tuesday afternoon, to the extend that
>cellphones operated, GSM encryption was turned off throughout Manhattan. My
>GSM phone would repeatedly warn me of this on every call I made (or tried
>to make). As of Wednesday morning, things were back to normal.
Interesting. For the most part, TDMA encryption in the US isn't turned on;
my Nokia phone always starts off calls by telling me
"Voice Privacy Not Active", even though the encryption is even lamer than
the GSM encryption.
---------------------------------------------------------------------
The Cryptography Mailing List
Unsubscribe by sending "unsubscribe cryptography" to majordomo@wasabisystems.com
