Hi,
Just a small question: can one expect legal trouble if... accidently though... some Tetra signals found their way into a GR cfile onto some web server and would be shared (here)?
Depends on your local laws. And on the content of the trace as well probably.
If there is only broadcast info, I don't think that's a problem. If OTOH there is some cleartext traffic then it probably violates some privacy intrusion law. And if it's not private but law enforcement, then other laws probably supercedes the 'normal' case ...
(IANAL,statements based on my understanding of Belgian law which may not be applicable)
I'd like to give the cryptanalysis a try, but before I can say that I have to look at the standards and algorithms.
Did you miss the part about the algorithm being secret and never leaked ?
We have no idea what TEA{1,2,3,4} are so there is no public analysis of them ...
Cheers,
Sylvain Munaut