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import unittest
import os, sys
parentPath = os.path.abspath("..")
if parentPath not in sys.path:
sys.path.insert(0, parentPath)
from pybtc.functions import *
from pybtc.crypto import __sha3_256__
from binascii import unhexlify, hexlify
class HashFunctionsTests(unittest.TestCase):
@classmethod
def setUpClass(cls):
print("\nTesting hash functions:\n")
def test_sha3(self):
print("SHA3 256 Keccak")
self.assertEqual(sha3_256(bytes_from_hex("0000002040dee9142842cfd14796055fc8f16e48454b3"
"1e1c1f34c69be4834f40b000000f2e8d5499863e98272"
"006d82dab93645902a255b279b0e98add955f66b5b9b3"
"cc7f1195e82670f1d9bc3ab00")),
s2rh("0000000b1ab864338f2ac7fd9d6b833be3a113031f09c30e9c944c161635e0db"))
def test_double_sha256(self):
print("Double SHA256")
self.assertEqual(double_sha256(b"test double sha256"),
unhexlify("1ab3067efb509c48bda198f48c473f034202537c28b7b4c3b2ab2c4bf4a95c8d"))
self.assertEqual(double_sha256(hexlify(b"test double sha256").decode()),
unhexlify("1ab3067efb509c48bda198f48c473f034202537c28b7b4c3b2ab2c4bf4a95c8d"))
self.assertEqual(double_sha256(hexlify(b"test double sha256").decode(), 1),
"1ab3067efb509c48bda198f48c473f034202537c28b7b4c3b2ab2c4bf4a95c8d")
def test_ripemd160(self):
print("RIPEMD160")
self.assertEqual(ripemd160(b"test ripemd160"),
unhexlify("45b17861a7defaac439f740d890f3dac4813cc37"))
self.assertEqual(ripemd160(hexlify(b"test ripemd160").decode()),
unhexlify("45b17861a7defaac439f740d890f3dac4813cc37"))
self.assertEqual(ripemd160(hexlify(b"test ripemd160").decode(), 1),
"45b17861a7defaac439f740d890f3dac4813cc37")
def test_hash160(self):
print("HASH160")
self.assertEqual(ripemd160(b"test hash160"),
unhexlify("46a80bd289028559818a222eea64552d7a6a966f"))
self.assertEqual(ripemd160(hexlify(b"test hash160").decode()),
unhexlify("46a80bd289028559818a222eea64552d7a6a966f"))
self.assertEqual(ripemd160(hexlify(b"test hash160").decode(), 1),
"46a80bd289028559818a222eea64552d7a6a966f")
def test_siphash(self):
print("SIPHASH")
self.assertEqual(siphash(s2rh("1f1e1d1c1b1a191817161514131211100f0e0d0c0b0a09080706050403020100"),
v_0=0x0706050403020100, v_1=0x0F0E0D0C0B0A0908),
0x7127512f72f27cce)
self.assertEqual(siphash(b"", v_0=0x0706050403020100, v_1=0x0F0E0D0C0B0A0908),
0x726fdb47dd0e0e31)
self.assertEqual(siphash(b"", v_0=0x0706050403020100, v_1=0x0F0E0D0C0B0A0908),
0x726fdb47dd0e0e31)
self.assertEqual(siphash(b"\x00", v_0=0x0706050403020100, v_1=0x0F0E0D0C0B0A0908),
0x74f839c593dc67fd)
self.assertEqual(siphash(b'\x00\x01\x02\x03\x04\x05\x06\x07', v_0=0x0706050403020100, v_1=0x0F0E0D0C0B0A0908),
0x93f5f5799a932462)
self.assertEqual(siphash(b'\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r\x0e\x0f',
v_0=0x0706050403020100, v_1=0x0F0E0D0C0B0A0908),
0x3f2acc7f57c29bdb)