Lib/test/test_sha.py

   1 # Testing sha module (NIST's Secure Hash Algorithm)
   2
   3 # use the three examples from Federal Information Processing Standards
   4 # Publication 180-1, Secure Hash Standard,  1995 April 17
   5 # http://www.itl.nist.gov/div897/pubs/fip180-1.htm
   6
   7 import sha
   8 import unittest
   9 from test import test_support
  10
  11
  12 class SHATestCase(unittest.TestCase):
  13     def check(self, data, digest):
  14         computed = sha.new(data).hexdigest()
  15         self.assert_(computed == digest)
  16
  17     def test_case_1(self):
  18         self.check("abc",
  19                    "a9993e364706816aba3e25717850c26c9cd0d89d")
  20
  21     def test_case_2(self):
  22         self.check("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
  23                    "84983e441c3bd26ebaae4aa1f95129e5e54670f1")
  24
  25     def test_case_3(self):
  26         self.check("a" * 1000000,
  27                    "34aa973cd4c4daa4f61eeb2bdbad27316534016f")
  28
  29
  30 def test_main():
  31     test_support.run_unittest(SHATestCase)
  32
  33
  34 if __name__ == "__main__":
  35     test_main()