pythonhacktoberfeststeamauthenticationauthenticatorsteam-authenticatorsteam-clientsteam-guard-codessteam-websteamworksvalvewebapi
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73 lines
2.8 KiB
73 lines
2.8 KiB
import unittest
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import mock
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from binascii import hexlify
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from steam.core import crypto
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class crypto_testcase(unittest.TestCase):
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def setUp(self):
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# patcher = mock.patch('os.urandom')
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# self.addCleanup(patcher.stop)
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# self.urandom = patcher.start()
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# self.urandom.side_effect = lambda n: b'1' * n
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patcher = mock.patch('steam.core.crypto.random_bytes')
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self.addCleanup(patcher.stop)
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self.random_bytes = patcher.start()
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self.random_bytes.side_effect = lambda n: b'1' * n
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# def test_keygen(self):
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# expected_key = b'1' * 32
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# expected_ekey = (b'82a5d4d6de38e443ed3e6f0a1701a2c47bc98e0860e7883638ea5263a1744d02'
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# b'f733f09bc6b0f9b2a371bbb79b639208521f88658aab38c23e181d39a58ae39e'
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# b'c4e207fba822d523028d3c04e812abdc2247aa8d8e6e4a89c7a65671c5bcb329'
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# b'51c6d721ccf57cc2920d6ff3b69bfb2c611b1275badcd3e37fe024c9a25bf4b0'
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# )
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#
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# key, ekey = crypto.generate_session_key()
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# ekey = hexlify(ekey)
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#
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# self.assertEqual(key, expected_key)
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# self.assertEqual(ekey, expected_ekey)
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#
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# def test_keygen_with_challenge(self):
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# expected_key = b'1' * 32
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# expected_ekey = (b'd710c55122f9bf772ec9c0f21d75c05055764d5445902577340029b4707e1725'
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# b'd61bec77f41b17faed6577d08c812cef76dca8b0b0b2329e1f33ea4cfa31f1e6'
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# b'0babc859c55b6ac94497b5dc9b0bc89629290dc038274af4377771e088e92887'
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# b'30d3906f6b698fd113ba36e3d28a5e1ce0283b27a1adda538df5dc5b179cf84f'
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# )
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#
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# key, ekey = crypto.generate_session_key(b'5'*16)
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# ekey = hexlify(ekey)
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#
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# self.assertEqual(key, expected_key)
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# self.assertEqual(ekey, expected_ekey)
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def test_encryption_legacy(self):
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message = b'My secret message'
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key = b'9' * 32
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cyphertext = crypto.symmetric_encrypt(message, key)
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dmessage = crypto.symmetric_decrypt(cyphertext, key)
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self.assertEqual(message, dmessage)
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def test_encryption_hmac(self):
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message = b'My secret message'
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key = b'9' * 32
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hmac = b'3' * 16
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cyphertext = crypto.symmetric_encrypt_HMAC(message, key, hmac)
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dmessage = crypto.symmetric_decrypt_HMAC(cyphertext, key, hmac)
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self.assertEqual(message, dmessage)
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# failing HMAC check
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with self.assertRaises(RuntimeError):
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crypto.symmetric_decrypt_HMAC(cyphertext, key, b'4'*16)
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def test_sha1_hash(self):
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self.assertEqual(crypto.sha1_hash(b'123'), b'@\xbd\x00\x15c\x08_\xc3Qe2\x9e\xa1\xff\\^\xcb\xdb\xbe\xef')
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self.assertEqual(crypto.sha1_hash(b'999999'), b'\x1fU#\xa8\xf55(\x9b4\x01\xb2\x99X\xd0\x1b)f\xeda\xd2')
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