Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_sha.py @ 54294:dba767bc3155 legacy-trunk

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remove mention of old ctypes version
author Benjamin Peterson <benjamin@python.org>
date Sat, 23 May 2009 20:59:09 +0000
parents b380c9c49738
children 787b969d37f0 6768b2350c57
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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4c1bbedad14b Added Jeremy's test code for the sha module.
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1 # Testing sha module (NIST's Secure Hash Algorithm)
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2
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3 # use the three examples from Federal Information Processing Standards
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4 # Publication 180-1, Secure Hash Standard, 1995 April 17
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5 # http://www.itl.nist.gov/div897/pubs/fip180-1.htm
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6
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7 import warnings
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8 warnings.filterwarnings("ignore", "the sha module is deprecated.*",
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9 DeprecationWarning)
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10
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11 import sha
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12 import unittest
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13 from test import test_support
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14
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15
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16 class SHATestCase(unittest.TestCase):
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17 def check(self, data, digest):
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18 # Check digest matches the expected value
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19 obj = sha.new(data)
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20 computed = obj.hexdigest()
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21 self.assert_(computed == digest)
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22
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23 # Verify that the value doesn't change between two consecutive
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24 # digest operations.
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25 computed_again = obj.hexdigest()
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26 self.assert_(computed == computed_again)
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27
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28 # Check hexdigest() output matches digest()'s output
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29 digest = obj.digest()
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30 hexd = ""
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31 for c in digest:
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32 hexd += '%02x' % ord(c)
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33 self.assert_(computed == hexd)
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34
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35 def test_case_1(self):
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36 self.check("abc",
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37 "a9993e364706816aba3e25717850c26c9cd0d89d")
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39 def test_case_2(self):
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40 self.check("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
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41 "84983e441c3bd26ebaae4aa1f95129e5e54670f1")
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42
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43 def test_case_3(self):
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44 self.check("a" * 1000000,
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45 "34aa973cd4c4daa4f61eeb2bdbad27316534016f")
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46
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47 def test_case_4(self):
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48 self.check(chr(0xAA) * 80,
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49 '4ca0ef38f1794b28a8f8ee110ee79d48ce13be25')
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51 def test_main():
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52 test_support.run_unittest(SHATestCase)
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54
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55 if __name__ == "__main__":
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56 test_main()