Dear list,
Congratulations to the discussion we started on the security of A5/1.
This was the primary goal and we did it in very challenging time
frame. Thanks to everyone!
The demonstration planed for today is canceled. Let me explain the
reasons and perhaps start a discussion on how the project should
progress from here:
A. The GSMA and some of its members make strong claims that what we
do is illegal. We do not believe that is the case and that this
research has not once crossed the line into illegality. However, not
being lawyers ourselves and knowing how complex wire-tapping laws are,
we want to reconfirm with our counsel that using the rainbow tables
for academic purposes is legal.
B. Starting the discussion on how much security GSM deserves was one
of our main goals. We did it. The next steps must not contradict this
positive message we want to get across. I'll put this as a question to
the list: Do we risk killing a positive dialogue with operators and
suppliers by providing attack tools too fast? I understand that we are
15 years into hacking GSM, but it did hit some industry players as
news this week. Would it be fair to give them a few extra weeks to
digest what should have been known years ago?
Please let me know what you all think ...
Cheers,
-Karsten
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