[XS] Change in pysim[master]: use random.SystemRandom as random nr source (/dev/urandom)

Attention is currently required from: fixeria, neels.

laforge has posted comments on this change by neels. ( https://gerrit.osmocom.org/c/pysim/+/40829?usp=email )

Change subject: use random.SystemRandom as random nr source (/dev/urandom) ......................................................................

Patch Set 9: Code-Review+1

(1 comment)

Commit Message:

https://gerrit.osmocom.org/c/pysim/+/40829/comment/5aab4f4d_5822c605?usp=ema... : PS9, Line 9: somewhat I would try to aovid irony in commit messages but really state what this is: IT's replacing an utterly secure PRNG which has no use in key generration whatsoever with a safe random number generator.