mirror of https://github.com/python/cpython.git
27 lines
679 B
Python
27 lines
679 B
Python
|
class Security:
|
||
|
|
|
||
|
|
def __init__(self):
|
||
|
|
import os
|
||
|
|
env = os.environ
|
||
|
|
if env.has_key('PYTHON_KEYFILE'):
|
||
|
|
keyfile = env['PYTHON_KEYFILE']
|
||
|
|
elif env.has_key('HOME'):
|
||
|
|
keyfile = env['HOME'] + '.python_keyfile'
|
||
|
|
else:
|
||
|
|
keyfile = '.python_keyfile'
|
||
|
|
try:
|
||
|
|
self._key = eval(open(keyfile).readline())
|
||
|
|
except IOError:
|
||
|
|
raise IOError, "python keyfile %s not found" % keyfile
|
||
|
|
|
||
|
|
def _generate_challenge(self):
|
||
|
|
import whrandom
|
||
|
|
return whrandom.randint(100, 100000)
|
||
|
|
|
||
|
|
def _compare_challenge_response(self, challenge, response):
|
||
|
|
return self._encode_challenge(challenge) == response
|
||
|
|
|
||
|
|
def _encode_challenge(self, challenge):
|
||
|
|
p, m = self._key
|
||
|
|
return pow(challenge, p, m)
|