| Index: third_party/google-endpoints/Crypto/SelfTest/Random/Fortuna/test_FortunaGenerator.py
|
| diff --git a/third_party/google-endpoints/Crypto/SelfTest/Random/Fortuna/test_FortunaGenerator.py b/third_party/google-endpoints/Crypto/SelfTest/Random/Fortuna/test_FortunaGenerator.py
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| new file mode 100644
|
| index 0000000000000000000000000000000000000000..d41bb022a8a11da1429fc30c194cb4a3d669b479
|
| --- /dev/null
|
| +++ b/third_party/google-endpoints/Crypto/SelfTest/Random/Fortuna/test_FortunaGenerator.py
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| @@ -0,0 +1,83 @@
|
| +# -*- coding: utf-8 -*-
|
| +#
|
| +# SelfTest/Random/Fortuna/test_FortunaGenerator.py: Self-test for the FortunaGenerator module
|
| +#
|
| +# Written in 2008 by Dwayne C. Litzenberger <dlitz@dlitz.net>
|
| +#
|
| +# ===================================================================
|
| +# The contents of this file are dedicated to the public domain. To
|
| +# the extent that dedication to the public domain is not available,
|
| +# everyone is granted a worldwide, perpetual, royalty-free,
|
| +# non-exclusive license to exercise all rights associated with the
|
| +# contents of this file for any purpose whatsoever.
|
| +# No rights are reserved.
|
| +#
|
| +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
| +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
| +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
| +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
| +# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
| +# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
| +# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
| +# SOFTWARE.
|
| +# ===================================================================
|
| +
|
| +"""Self-tests for Crypto.Random.Fortuna.FortunaGenerator"""
|
| +
|
| +__revision__ = "$Id$"
|
| +
|
| +import sys
|
| +if sys.version_info[0] == 2 and sys.version_info[1] == 1:
|
| + from Crypto.Util.py21compat import *
|
| +from Crypto.Util.py3compat import *
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| +
|
| +import unittest
|
| +from binascii import b2a_hex
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| +
|
| +class FortunaGeneratorTests(unittest.TestCase):
|
| + def setUp(self):
|
| + global FortunaGenerator
|
| + from Crypto.Random.Fortuna import FortunaGenerator
|
| +
|
| + def test_generator(self):
|
| + """FortunaGenerator.AESGenerator"""
|
| + fg = FortunaGenerator.AESGenerator()
|
| +
|
| + # We shouldn't be able to read data until we've seeded the generator
|
| + self.assertRaises(Exception, fg.pseudo_random_data, 1)
|
| + self.assertEqual(0, fg.counter.next_value())
|
| +
|
| + # Seed the generator, which should set the key and increment the counter.
|
| + fg.reseed(b("Hello"))
|
| + self.assertEqual(b("0ea6919d4361551364242a4ba890f8f073676e82cf1a52bb880f7e496648b565"), b2a_hex(fg.key))
|
| + self.assertEqual(1, fg.counter.next_value())
|
| +
|
| + # Read 2 full blocks from the generator
|
| + self.assertEqual(b("7cbe2c17684ac223d08969ee8b565616") + # counter=1
|
| + b("717661c0d2f4758bd6ba140bf3791abd"), # counter=2
|
| + b2a_hex(fg.pseudo_random_data(32)))
|
| +
|
| + # Meanwhile, the generator will have re-keyed itself and incremented its counter
|
| + self.assertEqual(b("33a1bb21987859caf2bbfc5615bef56d") + # counter=3
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| + b("e6b71ff9f37112d0c193a135160862b7"), # counter=4
|
| + b2a_hex(fg.key))
|
| + self.assertEqual(5, fg.counter.next_value())
|
| +
|
| + # Read another 2 blocks from the generator
|
| + self.assertEqual(b("fd6648ba3086e919cee34904ef09a7ff") + # counter=5
|
| + b("021f77580558b8c3e9248275f23042bf"), # counter=6
|
| + b2a_hex(fg.pseudo_random_data(32)))
|
| +
|
| +
|
| + # Try to read more than 2**20 bytes using the internal function. This should fail.
|
| + self.assertRaises(AssertionError, fg._pseudo_random_data, 2**20+1)
|
| +
|
| +def get_tests(config={}):
|
| + from Crypto.SelfTest.st_common import list_test_cases
|
| + return list_test_cases(FortunaGeneratorTests)
|
| +
|
| +if __name__ == '__main__':
|
| + suite = lambda: unittest.TestSuite(get_tests())
|
| + unittest.main(defaultTest='suite')
|
| +
|
| +# vim:set ts=4 sw=4 sts=4 expandtab:
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|
|