Bump pycrypto from 2.6 to 2.6.1 in /testing/mozharness

Bumps pycrypto from 2.6 to 2.6.1.

Changelog

2.6.1
[CVE-2013-1445] Fix PRNG not correctly reseeded in some situations.

In previous versions of PyCrypto, the Crypto.Random PRNG exhibits a race condition that may cause forked processes to generate identical sequences of 'random' numbers.

This is a fairly obscure bug that will (hopefully) not affect many applications, but the failure scenario is pretty bad. Here is some sample code that illustrates the problem:
from binascii import hexlify
import multiprocessing, pprint, time
import Crypto.Random
def task_main(arg):
a = Crypto.Random.get_random_bytes(8)
time.sleep(0.1)
b = Crypto.Random.get_random_bytes(8)
rdy, ack = arg
rdy.set()
ack.wait()
return "%s,%s" % (hexlify(a).decode(),
hexlify(b).decode())
n_procs = 4
manager = multiprocessing.Manager()
rdys = [manager.Event() for i in range(n_procs)]
acks = [manager.Event() for i in range(n_procs)]
Crypto.Random.get_random_bytes(1)
pool = multiprocessing.Pool(processes=n_procs,
initializer=Crypto.Random.atfork)
res_async = pool.map_async(task_main, zip(rdys, acks))
pool.close()
[rdy.wait() for rdy in rdys]
[ack.set() for ack in acks]
res = res_async.get()
pprint.pprint(sorted(res))
pool.join()
The output should be random, but it looked like this:
['c607803ae01aa8c0,2e4de6457a304b34',
 'c607803ae01aa8c0,af80d08942b4c987',
 'c607803ae01aa8c0,b0e4c0853de927c4',
 'c607803ae01aa8c0,f0362585b3fceba4']
This release fixes the problem by resetting the rate-limiter when Crypto.Random.atfork() is invoked. It also adds some tests and a

... (truncated)

Commits

7fd528d Release v2.6.1
b37ffc0 Update the ChangeLog
fa06af7 Fortuna: Add comments for reseed_interval and min_pool_size to FortunaAccumul...
19dcf7b Random: Make Crypto.Random.atfork() set last_reseed=None (CVE-2013-1445)
See full diff in compare view

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roytam1 / basilisk55

Bump pycrypto from 2.6 to 2.6.1 in /testing/mozharness #50

2.6.1