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gh-135244: use CSPRNG for random UUID node ID #135226

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Merged
merged 13 commits into from
Jun 8, 2025
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gh-135244: use CSPRNG for random UUID node ID #135226

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Update uuid.py
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Update Lib/uuid.py 
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
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@LamentXU123 @picnixz
LamentXU123 and picnixz authored Jun 8, 2025
commit 99bedcc56266031df72beb8acf38c8cd600bad80
3 changes: 1 addition & 2 deletions Lib/uuid.py
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Expand Up @@ -666,8 +666,7 @@ def _random_getnode():
# counting from 1 being the least significant bit, or 1<<40.
#
# See https://en.wikipedia.org/w/index.php?title=MAC_address&oldid=1128764812#Universal_vs._local_(U/L_bit)

return (int.from_bytes(os.urandom(6), 'big')) | (1 << 40)
return int.from_bytes(os.urandom(6)) | (1 << 40)


# _OS_GETTERS, when known, are targeted for a specific OS or platform.
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