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authorGuido van Rossum <guido@python.org>1995-06-21 00:55:59 (GMT)
committerGuido van Rossum <guido@python.org>1995-06-21 00:55:59 (GMT)
commit37a291180c7340f6e748ea3584beb5b8023fa2e7 (patch)
tree6b7e2e00317418570120ca63f18f156a99e99744
parente830e55606f8f42155d7c1148566feba0d57a9c2 (diff)
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placeholder for security measures
-rwxr-xr-xDemo/pdist/security.py26
1 files changed, 26 insertions, 0 deletions
diff --git a/Demo/pdist/security.py b/Demo/pdist/security.py
new file mode 100755
index 0000000..29bc945
--- /dev/null
+++ b/Demo/pdist/security.py
@@ -0,0 +1,26 @@
+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)