Edit File: test_KangarooTwelve.py
# =================================================================== # 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] # https://github.com/XKCP/XKCP/blob/master/tests/TestVectors/KangarooTwelve.txt class KangarooTwelveTV(unittest.TestCase): 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) ### 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')