A5 Cipher

[Markus Kuhn]

"Owen Lewis" wrote on 2002-07-10 11:55 UTC:
> Does anyone here have an authoritative list of the GSM A5 cipher variants
> (A5/0/1/2 etc) and a list of countries that use each variant?

I'd be surprised if you can find an "authoritative list".

The old GSM voice scrambling algorithms are not even mentioned in ETSI's
"Kerckhoffs' Graveyard" list of secret standard algorithms:

  http://portal.etsi.org/dvbandca/home.asp

Markus

-- 
Markus G. Kuhn, Computer Laboratory, University of Cambridge, UK
Email: mkuhn at acm.org,  WWW: <http://www.cl.cam.ac.uk/~mgk25/>