80 lines
2.9 KiB
Python
80 lines
2.9 KiB
Python
import os
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import unittest
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import hashlib
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from io import BytesIO
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from minecraft.networking.encryption import (
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minecraft_sha1_hash_digest,
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encrypt_token_and_secret,
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generate_shared_secret,
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generate_verification_hash,
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create_AES_cipher,
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EncryptedFileObjectWrapper,
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)
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from cryptography.hazmat.backends import default_backend
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from cryptography.hazmat.primitives.asymmetric.padding import PKCS1v15
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from cryptography.hazmat.primitives.serialization import load_der_private_key
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KEY_LOCATION = os.path.join(os.path.dirname(os.path.realpath(__file__)),
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"encryption")
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class Hashing(unittest.TestCase):
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test_data = {'Notch': '4ed1f46bbe04bc756bcb17c0c7ce3e4632f06a48',
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'jeb_': '-7c9d5b0044c130109a5d7b5fb5c317c02b4e28c1',
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'simon': '88e16a1019277b15d58faf0541e11910eb756f6'}
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def test_hashing(self):
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for input_value, result in self.test_data.items():
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sha1_hash = hashlib.sha1()
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sha1_hash.update(input_value.encode('utf-8'))
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self.assertEquals(minecraft_sha1_hash_digest(sha1_hash), result)
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class Encryption(unittest.TestCase):
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def setUp(self):
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with open(os.path.join(KEY_LOCATION, "priv_key.bin"), "rb") as f:
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self.private_key = f.read()
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self.private_key = load_der_private_key(self.private_key, None,
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default_backend())
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with open(os.path.join(KEY_LOCATION, "pub_key.bin"), "rb") as f:
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self.public_key = f.read()
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self.token = generate_shared_secret()
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def test_token_secret_encryption(self):
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secret = generate_shared_secret()
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token, encrypted_secret = encrypt_token_and_secret(self.public_key,
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self.token, secret)
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decrypted_token = self.private_key.decrypt(token,
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PKCS1v15())
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decrypted_secret = self.private_key.decrypt(encrypted_secret,
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PKCS1v15())
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self.assertEquals(self.token, decrypted_token)
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self.assertEquals(secret, decrypted_secret)
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def generate_hash_test(self):
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verification_hash = generate_verification_hash(
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b"", "secret".encode('utf-8'), self.public_key)
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self.assertEquals("1f142e737a84a974a5f2a22f6174a78d80fd97f5",
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verification_hash)
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def test_file_object_wrapper(self):
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cipher = create_AES_cipher(generate_shared_secret())
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encryptor = cipher.encryptor()
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decryptor = cipher.decryptor()
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test_data = "hello".encode('utf-8')
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io = BytesIO()
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io.write(encryptor.update(test_data))
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io.seek(0)
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file_object_wrapper = EncryptedFileObjectWrapper(io, decryptor)
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decrypted_data = file_object_wrapper.read(len(test_data))
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self.assertEqual(test_data, decrypted_data)
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# TODO: test for the socket wrapper
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