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.
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