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- # ===================================================================
- # Redistribution and use in source and binary forms, with or without
- # modification, are permitted provided that the following conditions
- # are met:
- #
- # 1. Redistributions of source code must retain the above copyright
- # notice, this list of conditions and the following disclaimer.
- # 2. Redistributions in binary form must reproduce the above copyright
- # notice, this list of conditions and the following disclaimer in
- # the documentation and/or other materials provided with the
- # distribution.
- #
- # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- # COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- # POSSIBILITY OF SUCH DAMAGE.
- # ===================================================================
- """Self-test suite for Crypto.Hash.KangarooTwelve"""
- import unittest
- from binascii import unhexlify
- from Crypto.SelfTest.st_common import list_test_cases
- from Crypto.Hash import KangarooTwelve as K12
- from Crypto.Util.py3compat import b, bchr
- class KangarooTwelveTest(unittest.TestCase):
- def test_length_encode(self):
- self.assertEqual(K12._length_encode(0), b'\x00')
- self.assertEqual(K12._length_encode(12), b'\x0C\x01')
- self.assertEqual(K12._length_encode(65538), b'\x01\x00\x02\x03')
- def test_new_positive(self):
- xof1 = K12.new()
- xof2 = K12.new(data=b("90"))
- xof3 = K12.new().update(b("90"))
- self.assertNotEqual(xof1.read(10), xof2.read(10))
- xof3.read(10)
- self.assertEqual(xof2.read(10), xof3.read(10))
- xof1 = K12.new()
- ref = xof1.read(10)
- xof2 = K12.new(custom=b(""))
- xof3 = K12.new(custom=b("foo"))
- self.assertEqual(ref, xof2.read(10))
- self.assertNotEqual(ref, xof3.read(10))
- xof1 = K12.new(custom=b("foo"))
- xof2 = K12.new(custom=b("foo"), data=b("90"))
- xof3 = K12.new(custom=b("foo")).update(b("90"))
- self.assertNotEqual(xof1.read(10), xof2.read(10))
- xof3.read(10)
- self.assertEqual(xof2.read(10), xof3.read(10))
- def test_update(self):
- pieces = [bchr(10) * 200, bchr(20) * 300]
- h = K12.new()
- h.update(pieces[0]).update(pieces[1])
- digest = h.read(10)
- h = K12.new()
- h.update(pieces[0] + pieces[1])
- self.assertEqual(h.read(10), digest)
- def test_update_negative(self):
- h = K12.new()
- self.assertRaises(TypeError, h.update, u"string")
- def test_digest(self):
- h = K12.new()
- digest = h.read(90)
- # read returns a byte string of the right length
- self.assertTrue(isinstance(digest, type(b("digest"))))
- self.assertEqual(len(digest), 90)
- def test_update_after_read(self):
- mac = K12.new()
- mac.update(b("rrrr"))
- mac.read(90)
- self.assertRaises(TypeError, mac.update, b("ttt"))
- def txt2bin(txt):
- clean = txt.replace(" ", "").replace("\n", "").replace("\r", "")
- return unhexlify(clean)
- def ptn(n):
- res = bytearray(n)
- pattern = b"".join([bchr(x) for x in range(0, 0xFB)])
- for base in range(0, n - 0xFB, 0xFB):
- res[base:base + 0xFB] = pattern
- remain = n % 0xFB
- if remain:
- base = (n // 0xFB) * 0xFB
- res[base:] = pattern[:remain]
- assert(len(res) == n)
- return res
- def chunked(source, size):
- for i in range(0, len(source), size):
- yield source[i:i+size]
- class KangarooTwelveTV(unittest.TestCase):
- # https://github.com/XKCP/XKCP/blob/master/tests/TestVectors/KangarooTwelve.txt
- def test_zero_1(self):
- tv = """1A C2 D4 50 FC 3B 42 05 D1 9D A7 BF CA 1B 37 51
- 3C 08 03 57 7A C7 16 7F 06 FE 2C E1 F0 EF 39 E5"""
- btv = txt2bin(tv)
- res = K12.new().read(32)
- self.assertEqual(res, btv)
- def test_zero_2(self):
- tv = """1A C2 D4 50 FC 3B 42 05 D1 9D A7 BF CA 1B 37 51
- 3C 08 03 57 7A C7 16 7F 06 FE 2C E1 F0 EF 39 E5
- 42 69 C0 56 B8 C8 2E 48 27 60 38 B6 D2 92 96 6C
- C0 7A 3D 46 45 27 2E 31 FF 38 50 81 39 EB 0A 71"""
- btv = txt2bin(tv)
- res = K12.new().read(64)
- self.assertEqual(res, btv)
- def test_zero_3(self):
- tv = """E8 DC 56 36 42 F7 22 8C 84 68 4C 89 84 05 D3 A8
- 34 79 91 58 C0 79 B1 28 80 27 7A 1D 28 E2 FF 6D"""
- btv = txt2bin(tv)
- res = K12.new().read(10032)
- self.assertEqual(res[-32:], btv)
- def test_ptn_1(self):
- tv = """2B DA 92 45 0E 8B 14 7F 8A 7C B6 29 E7 84 A0 58
- EF CA 7C F7 D8 21 8E 02 D3 45 DF AA 65 24 4A 1F"""
- btv = txt2bin(tv)
- res = K12.new(data=ptn(1)).read(32)
- self.assertEqual(res, btv)
- def test_ptn_17(self):
- tv = """6B F7 5F A2 23 91 98 DB 47 72 E3 64 78 F8 E1 9B
- 0F 37 12 05 F6 A9 A9 3A 27 3F 51 DF 37 12 28 88"""
- btv = txt2bin(tv)
- res = K12.new(data=ptn(17)).read(32)
- self.assertEqual(res, btv)
- def test_ptn_17_2(self):
- tv = """0C 31 5E BC DE DB F6 14 26 DE 7D CF 8F B7 25 D1
- E7 46 75 D7 F5 32 7A 50 67 F3 67 B1 08 EC B6 7C"""
- btv = txt2bin(tv)
- res = K12.new(data=ptn(17**2)).read(32)
- self.assertEqual(res, btv)
- def test_ptn_17_3(self):
- tv = """CB 55 2E 2E C7 7D 99 10 70 1D 57 8B 45 7D DF 77
- 2C 12 E3 22 E4 EE 7F E4 17 F9 2C 75 8F 0D 59 D0"""
- btv = txt2bin(tv)
- res = K12.new(data=ptn(17**3)).read(32)
- self.assertEqual(res, btv)
- def test_ptn_17_4(self):
- tv = """87 01 04 5E 22 20 53 45 FF 4D DA 05 55 5C BB 5C
- 3A F1 A7 71 C2 B8 9B AE F3 7D B4 3D 99 98 B9 FE"""
- btv = txt2bin(tv)
- data = ptn(17**4)
- # All at once
- res = K12.new(data=data).read(32)
- self.assertEqual(res, btv)
- # Byte by byte
- k12 = K12.new()
- for x in data:
- k12.update(bchr(x))
- res = k12.read(32)
- self.assertEqual(res, btv)
- # Chunks of various prime sizes
- for chunk_size in (13, 17, 19, 23, 31):
- k12 = K12.new()
- for x in chunked(data, chunk_size):
- k12.update(x)
- res = k12.read(32)
- self.assertEqual(res, btv)
- def test_ptn_17_5(self):
- tv = """84 4D 61 09 33 B1 B9 96 3C BD EB 5A E3 B6 B0 5C
- C7 CB D6 7C EE DF 88 3E B6 78 A0 A8 E0 37 16 82"""
- btv = txt2bin(tv)
- data = ptn(17**5)
- # All at once
- res = K12.new(data=data).read(32)
- self.assertEqual(res, btv)
- # Chunks
- k12 = K12.new()
- for chunk in chunked(data, 8192):
- k12.update(chunk)
- res = k12.read(32)
- self.assertEqual(res, btv)
- def test_ptn_17_6(self):
- tv = """3C 39 07 82 A8 A4 E8 9F A6 36 7F 72 FE AA F1 32
- 55 C8 D9 58 78 48 1D 3C D8 CE 85 F5 8E 88 0A F8"""
- btv = txt2bin(tv)
- data = ptn(17**6)
- # All at once
- res = K12.new(data=data).read(32)
- self.assertEqual(res, btv)
- def test_ptn_c_1(self):
- tv = """FA B6 58 DB 63 E9 4A 24 61 88 BF 7A F6 9A 13 30
- 45 F4 6E E9 84 C5 6E 3C 33 28 CA AF 1A A1 A5 83"""
- btv = txt2bin(tv)
- custom = ptn(1)
- # All at once
- res = K12.new(custom=custom).read(32)
- self.assertEqual(res, btv)
- def test_ptn_c_41(self):
- tv = """D8 48 C5 06 8C ED 73 6F 44 62 15 9B 98 67 FD 4C
- 20 B8 08 AC C3 D5 BC 48 E0 B0 6B A0 A3 76 2E C4"""
- btv = txt2bin(tv)
- custom = ptn(41)
- # All at once
- res = K12.new(data=b'\xFF', custom=custom).read(32)
- self.assertEqual(res, btv)
- def test_ptn_c_41_2(self):
- tv = """C3 89 E5 00 9A E5 71 20 85 4C 2E 8C 64 67 0A C0
- 13 58 CF 4C 1B AF 89 44 7A 72 42 34 DC 7C ED 74"""
- btv = txt2bin(tv)
- custom = ptn(41**2)
- # All at once
- res = K12.new(data=b'\xFF' * 3, custom=custom).read(32)
- self.assertEqual(res, btv)
- def test_ptn_c_41_3(self):
- tv = """75 D2 F8 6A 2E 64 45 66 72 6B 4F BC FC 56 57 B9
- DB CF 07 0C 7B 0D CA 06 45 0A B2 91 D7 44 3B CF"""
- btv = txt2bin(tv)
- custom = ptn(41**3)
- # All at once
- res = K12.new(data=b'\xFF' * 7, custom=custom).read(32)
- self.assertEqual(res, btv)
- # https://datatracker.ietf.org/doc/draft-irtf-cfrg-kangarootwelve/
- def test_ptn_8191(self):
- tv = """1B 57 76 36 F7 23 64 3E 99 0C C7 D6 A6 59 83 74
- 36 FD 6A 10 36 26 60 0E B8 30 1C D1 DB E5 53 D6"""
- btv = txt2bin(tv)
- # All at once
- res = K12.new(data=ptn(8191)).read(32)
- self.assertEqual(res, btv)
- def test_ptn_8192(self):
- tv = """48 F2 56 F6 77 2F 9E DF B6 A8 B6 61 EC 92 DC 93
- B9 5E BD 05 A0 8A 17 B3 9A E3 49 08 70 C9 26 C3"""
- btv = txt2bin(tv)
- # All at once
- res = K12.new(data=ptn(8192)).read(32)
- self.assertEqual(res, btv)
- def test_ptn_8192_8189(self):
- tv = """3E D1 2F 70 FB 05 DD B5 86 89 51 0A B3 E4 D2 3C
- 6C 60 33 84 9A A0 1E 1D 8C 22 0A 29 7F ED CD 0B"""
- btv = txt2bin(tv)
- # All at once
- res = K12.new(data=ptn(8192), custom=ptn(8189)).read(32)
- self.assertEqual(res, btv)
- def test_ptn_8192_8190(self):
- tv = """6A 7C 1B 6A 5C D0 D8 C9 CA 94 3A 4A 21 6C C6 46
- 04 55 9A 2E A4 5F 78 57 0A 15 25 3D 67 BA 00 AE"""
- btv = txt2bin(tv)
- # All at once
- res = K12.new(data=ptn(8192), custom=ptn(8190)).read(32)
- self.assertEqual(res, btv)
- ###
- def test_1(self):
- tv = "fd608f91d81904a9916e78a18f65c157a78d63f93d8f6367db0524526a5ea2bb"
- btv = txt2bin(tv)
- res = K12.new(data=b'', custom=ptn(100)).read(32)
- self.assertEqual(res, btv)
- def test_2(self):
- tv4 = "5a4ec9a649f81916d4ce1553492962f7868abf8dd1ceb2f0cb3682ea95cda6a6"
- tv3 = "441688fe4fe4ae9425eb3105eb445eb2b3a6f67b66eff8e74ebfbc49371f6d4c"
- tv2 = "17269a57759af0214c84a0fd9bc851f4d95f80554cfed4e7da8a6ee1ff080131"
- tv1 = "33826990c09dc712ba7224f0d9be319e2720de95a4c1afbd2211507dae1c703a"
- tv0 = "9f4d3aba908ddc096e4d3a71da954f917b9752f05052b9d26d916a6fbc75bf3e"
- res = K12.new(data=b'A' * (8192 - 4), custom=b'B').read(32)
- self.assertEqual(res, txt2bin(tv4))
- res = K12.new(data=b'A' * (8192 - 3), custom=b'B').read(32)
- self.assertEqual(res, txt2bin(tv3))
- res = K12.new(data=b'A' * (8192 - 2), custom=b'B').read(32)
- self.assertEqual(res, txt2bin(tv2))
- res = K12.new(data=b'A' * (8192 - 1), custom=b'B').read(32)
- self.assertEqual(res, txt2bin(tv1))
- res = K12.new(data=b'A' * (8192 - 0), custom=b'B').read(32)
- self.assertEqual(res, txt2bin(tv0))
- def get_tests(config={}):
- tests = []
- tests += list_test_cases(KangarooTwelveTest)
- tests += list_test_cases(KangarooTwelveTV)
- return tests
- if __name__ == '__main__':
- def suite():
- return unittest.TestSuite(get_tests())
- unittest.main(defaultTest='suite')
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