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test: Change MuHash Python implementation to match cpp version again

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This commit is contained in:
Fabian Jahr 2020-12-17 23:25:30 +01:00
parent 01297fb3ca
commit 9815332d51
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1 changed files with 8 additions and 6 deletions
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14
test/functional/test_framework/muhash.py
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@ -78,11 +78,13 @@ class MuHash3072:
def insert(self, data):
"""Insert a byte array data in the set."""
self.numerator = (self.numerator * data_to_num3072(data)) % self.MODULUS
data_hash = hashlib.sha256(data).digest()
self.numerator = (self.numerator * data_to_num3072(data_hash)) % self.MODULUS
def remove(self, data):
"""Remove a byte array from the set."""
self.denominator = (self.denominator * data_to_num3072(data)) % self.MODULUS
data_hash = hashlib.sha256(data).digest()
self.denominator = (self.denominator * data_to_num3072(data_hash)) % self.MODULUS
def digest(self):
"""Extract the final hash. Does not modify this object."""
@ -93,12 +95,12 @@ class MuHash3072:
class TestFrameworkMuhash(unittest.TestCase):
def test_muhash(self):
muhash = MuHash3072()
muhash.insert([0]*32)
muhash.insert([1] + [0]*31)
muhash.remove([2] + [0]*31)
muhash.insert(b'\x00' * 32)
muhash.insert((b'\x01' + b'\x00' * 31))
muhash.remove((b'\x02' + b'\x00' * 31))
finalized = muhash.digest()
# This mirrors the result in the C++ MuHash3072 unit test
self.assertEqual(finalized[::-1].hex(), "a44e16d5e34d259b349af21c06e65d653915d2e208e4e03f389af750dc0bfdc3")
self.assertEqual(finalized[::-1].hex(), "10d312b100cbd32ada024a6646e40d3482fcff103668d2625f10002a607d5863")
def test_chacha20(self):
def chacha_check(key, result):