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use secrets.SystemRandom as secure random nr source

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secrets.SystemRandom is defined as the most secure random source
available on the given operating system.

Change-Id: I8049cd1292674b3ced82b0926569128535af6efe
This commit is contained in:
Neels Hofmeyr
2025-08-05 00:20:21 +02:00
parent 4d555f4b8d
commit 2a6e498e82
1 changed files with 2 additions and 2 deletions
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4
pySim/esim/saip/param_source.py
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@@ -17,7 +17,7 @@
# You should have received a copy of the GNU Affero General Public License # You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>. # along with this program. If not, see <http://www.gnu.org/licenses/>.
import random import secrets
import re import re
from pySim.utils import all_subclasses_of from pySim.utils import all_subclasses_of
from osmocom.utils import b2h from osmocom.utils import b2h
@@ -94,7 +94,7 @@ class InputExpandingParamSource(ParamSource):
return cls(cls.expand_str(s)) return cls(cls.expand_str(s))
class RandomSourceMixin: class RandomSourceMixin:
random_impl = random.SystemRandom() random_impl = secrets.SystemRandom()
class RandomDigitSource(InputExpandingParamSource, RandomSourceMixin): class RandomDigitSource(InputExpandingParamSource, RandomSourceMixin):
'return a different sequence of random decimal digits each' 'return a different sequence of random decimal digits each'