tests/testdigest.py

   1 from ctypescrypto.oid import Oid
   2 from ctypescrypto import digest
   3 from base64 import b16decode,b16encode
   4 import unittest
   5
   6 class TestDigestType(unittest.TestCase):
   7         def test_md4(self):
   8                 d=digest.DigestType("md4")
   9                 self.assertEqual(d.digest_size(),16)
  10                 self.assertEqual(d.block_size(),64)
  11                 self.assertEqual(d.oid(),Oid("md4"))
  12         def test_md5(self):
  13                 d=digest.DigestType("md5")
  14                 self.assertEqual(d.digest_size(),16)
  15                 self.assertEqual(d.block_size(),64)
  16                 self.assertEqual(d.oid(),Oid("md5"))
  17         def test_sha1(self):
  18                 d=digest.DigestType("sha1")
  19                 self.assertEqual(d.digest_size(),20)
  20                 self.assertEqual(d.block_size(),64)
  21                 self.assertEqual(d.oid(),Oid("sha1"))
  22         def test_sha256(self):
  23                 d=digest.DigestType("sha256")
  24                 self.assertEqual(d.digest_size(),32)
  25                 self.assertEqual(d.block_size(),64)
  26                 self.assertEqual(d.oid(),Oid("sha256"))
  27         def test_sha384(self):
  28                 d=digest.DigestType("sha384")
  29                 self.assertEqual(d.digest_size(),48)
  30                 self.assertEqual(d.block_size(),128)
  31                 self.assertEqual(d.oid(),Oid("sha384"))
  32         def test_sha512(self):
  33                 d=digest.DigestType("sha512")
  34                 self.assertEqual(d.digest_size(),64)
  35                 self.assertEqual(d.block_size(),128)
  36                 self.assertEqual(d.oid(),Oid("sha512"))
  37
  38
  39 class TestIface(unittest.TestCase):
  40         """ Test all methods with one algorithms """
  41         msg="A quick brown fox jumps over the lazy dog."
  42         dgst="00CFFE7312BF9CA73584F24BDF7DF1D028340397"
  43         def test_cons(self):
  44                 md=digest.DigestType("sha1")
  45                 dgst=digest.Digest(md)
  46                 dgst.update(self.msg)
  47                 self.assertEqual(dgst.digest_size,20)
  48                 self.assertEqual(dgst.hexdigest(),self.dgst)
  49         def test_length(self):
  50                 l=len(self.msg)
  51                 msg=self.msg+" Dog barks furiously."
  52                 dgst=digest.new("sha1")
  53                 dgst.update(msg,length=l)
  54                 self.assertEqual(dgst.hexdigest(),self.dgst)
  55         def test_badlength(self):
  56                 l=len(self.msg)
  57                 dgst=digest.new("sha1")
  58                 with self.assertRaises(ValueError):
  59                         dgst.update(self.msg,length=l+1)
  60         def test_bindigest(self):
  61                 dgst=digest.new("sha1")
  62                 dgst.update(self.msg)
  63                 self.assertEqual(dgst.digest_size,20)
  64                 self.assertEqual(dgst.digest(),b16decode(self.dgst,True))
  65         def test_duplicatedigest(self):
  66                 dgst=digest.new("sha1")
  67                 dgst.update(self.msg)
  68                 v1=dgst.digest()
  69                 v2=dgst.digest()
  70                 self.assertEqual(v1,v2)
  71         def test_updatefinalized(self):
  72                 dgst=digest.new("sha1")
  73                 dgst.update(self.msg)
  74                 h=dgst.hexdigest()
  75                 with self.assertRaises(digest.DigestError):
  76                         dgst.update(self.msg)
  77         def test_wrongtype(self):
  78                 dgst=digest.new("sha1")
  79                 with self.assertRaises(TypeError):
  80                         dgst.update(['a','b','c'])
  81                 with self.assertRaises(TypeError):
  82                         dgst.update(18)
  83                 with self.assertRaises(TypeError):
  84                         dgst.update({"a":"b","c":"D"})
  85                 with self.assertRaises(TypeError):
  86                         dgst.update(u'\u0430\u0431')
  87         def test_copy(self):
  88                 dgst=digest.new("sha1")
  89                 dgst.update("A quick brown fox jumps over ")
  90                 d2=dgst.copy()
  91                 dgst.update("the lazy dog.")
  92                 value1=dgst.hexdigest()
  93                 d2.update("the fat pig.")
  94                 value2=d2.hexdigest()
  95                 self.assertEqual(value1,"00CFFE7312BF9CA73584F24BDF7DF1D028340397")
  96                 self.assertEqual(value2,"5328F33739BEC2A15B6A30F17D3BC13CC11A7C78")
  97 class TestAlgo(unittest.TestCase):
  98         """ Test all statdard algorithms """
  99         def test_md5(self):
 100                 d=digest.new("md5")
 101                 self.assertEqual(d.digest_size,16)
 102                 d.update("A quick brown fox jumps over the lazy dog.")
 103                 self.assertEqual(d.hexdigest(),"DF756A3769FCAB0A261880957590C768")
 104
 105         def test_md4(self):
 106                 d=digest.new("md4")
 107                 d.update("A quick brown fox jumps over the lazy dog.")
 108                 self.assertEqual(d.digest_size,16)
 109                 self.assertEqual(d.hexdigest(),"FAAED595A3E38BBF0D9B4B98021D200F")
 110         def test_sha256(self):
 111                 d=digest.new("sha256")
 112                 d.update("A quick brown fox jumps over the lazy dog.")
 113                 self.assertEqual(d.digest_size,32)
 114                 self.assertEqual(d.hexdigest(),"FFCA2587CFD4846E4CB975B503C9EB940F94566AA394E8BD571458B9DA5097D5")
 115         def test_sha384(self):
 116                 d=digest.new("sha384")
 117                 d.update("A quick brown fox jumps over the lazy dog.")
 118                 self.assertEqual(d.digest_size,48)
 119                 self.assertEqual(d.hexdigest(),"C7D71B1BA81D0DD028E79C7E75CF2F83169C14BA732CA5A2AD731151584E9DE843C1A314077D62B96B03367F72E126D8")
 120         def test_sha512(self):
 121                 d=digest.new("sha512")
 122                 self.assertEqual(d.digest_size,64)
 123                 d.update("A quick brown fox jumps over the lazy dog.")
 124                 self.assertEqual(d.hexdigest(),"3045575CF3B873DD656F5F3426E04A4ACD11950BB2538772EE14867002B408E21FF18EF7F7B2CAB484A3C1C0BE3F8ACC4AED536A427353C7748DC365FC1A8646")
 125         def test_wrongdigest(self):
 126                 with self.assertRaises(digest.DigestError):
 127                         dgst=digest.new("no-such-digest")
 128
 129 if __name__ == "__main__":
 130         unittest.main()