61 lines
1.7 KiB
Python
61 lines
1.7 KiB
Python
"""
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Test the alternatives for crypto primitives
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"""
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import hashlib
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import unittest
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from abc import ABCMeta, abstractmethod
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from binascii import hexlify, unhexlify
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try:
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from Crypto.Hash import RIPEMD
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except ImportError:
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RIPEMD = None
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# These keys are from addresses test script
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sample_pubsigningkey = unhexlify(
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'044a367f049ec16cb6b6118eb734a9962d10b8db59c890cd08f210c43ff08bdf09d'
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'16f502ca26cd0713f38988a1237f1fc8fa07b15653c996dc4013af6d15505ce')
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sample_pubencryptionkey = unhexlify(
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'044597d59177fc1d89555d38915f581b5ff2286b39d022ca0283d2bdd5c36be5d3c'
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'e7b9b97792327851a562752e4b79475d1f51f5a71352482b241227f45ed36a9')
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sample_ripe = '003cd097eb7f35c87b5dc8b4538c22cb55312a9f'
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_sha = hashlib.new('sha512')
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_sha.update(sample_pubsigningkey + sample_pubencryptionkey)
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pubkey_sha = _sha.digest()
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class RIPEMD160TestCase(object):
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"""Base class for RIPEMD160 test case"""
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__metaclass__ = ABCMeta
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@abstractmethod
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def _hashdigest(self, data):
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"""RIPEMD160 digest implementation"""
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pass
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def test_hash_string(self):
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"""Check RIPEMD160 hash function on string"""
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self.assertEqual(hexlify(self._hashdigest(pubkey_sha)), sample_ripe)
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class TestHashlib(RIPEMD160TestCase, unittest.TestCase):
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"""RIPEMD160 test case for hashlib"""
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@staticmethod
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def _hashdigest(data):
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hasher = hashlib.new('ripemd160')
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hasher.update(data)
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return hasher.digest()
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@unittest.skipUnless(RIPEMD, 'pycrypto package not found')
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class TestCrypto(RIPEMD160TestCase, unittest.TestCase):
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"""RIPEMD160 test case for Crypto"""
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@staticmethod
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def _hashdigest(data):
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return RIPEMD.RIPEMD160Hash(data).digest()
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