cracker.py

import hashlib
import timeit

from random import randint

def hashx(x):
    m = hashlib.sha1()
    m.update(x)
    return m.digest()

def random_phone_number():
    return ''.join(str(randint(0, 9)) for _ in xrange(10))

def crack(n):
    for _ in range(n):
        num = random_phone_number()
        hashx(num)

if __name__ == '__main__':
    n = 100000
    t = timeit.timeit(
        'crack(' + str(n) + ')',
        setup='from __main__ import crack',
        number=1)
    print '%f ms / number' % (t * 1000. / n)
    print '%f hrs for all numbers' % ((t / n) * (10**10) / 3600.0)