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34 lines
1.1 KiB
34 lines
1.1 KiB
class Security:
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def __init__(self):
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import os
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env = os.environ
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if env.has_key('PYTHON_KEYFILE'):
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keyfile = env['PYTHON_KEYFILE']
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else:
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keyfile = '.python_keyfile'
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if env.has_key('HOME'):
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keyfile = os.path.join(env['HOME'], keyfile)
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if not os.path.exists(keyfile):
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import sys
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for dir in sys.path:
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kf = os.path.join(dir, keyfile)
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if os.path.exists(kf):
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keyfile = kf
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break
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try:
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self._key = eval(open(keyfile).readline())
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except IOError:
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raise IOError, "python keyfile %s: cannot open" % keyfile
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def _generate_challenge(self):
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import random
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return random.randint(100, 100000)
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def _compare_challenge_response(self, challenge, response):
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return self._encode_challenge(challenge) == response
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def _encode_challenge(self, challenge):
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p, m = self._key
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return pow(long(challenge), p, m)
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