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Update whatsnew. Salt the random number seed.

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This commit is contained in:
Raymond Hettinger 2010-12-08 01:13:53 +00:00
parent 10e05e17a3
commit 3fcf002994
3 changed files with 21 additions and 12 deletions
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11
Lib/random.py
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@ -43,6 +43,7 @@ from math import log as _log, exp as _exp, pi as _pi, e as _e, ceil as _ceil
from math import sqrt as _sqrt, acos as _acos, cos as _cos, sin as _sin
from os import urandom as _urandom
import collections as _collections
from hashlib import sha512 as _sha512
__all__ = ["Random","seed","random","uniform","randint","choice","sample",
"randrange","shuffle","normalvariate","lognormvariate",
@ -110,10 +111,12 @@ class Random(_random.Random):
import time
a = int(time.time() * 256) # use fractional seconds
if version == 2 and isinstance(a, (str, bytes, bytearray)):
if isinstance(a, str):
a = a.encode("utf8")
a = int.from_bytes(a, 'big')
if version == 2:
if isinstance(a, (str, bytes, bytearray)):
if isinstance(a, str):
a = a.encode("utf8")
a += _sha512(a).digest()
a = int.from_bytes(a, 'big')
super().seed(a)
self.gauss_next = None