mirror of
https://github.com/TeamPGM/tgcrypto.git
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116 lines
4.2 KiB
Python
116 lines
4.2 KiB
Python
# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017-present Dan <https://github.com/delivrance>
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#
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# This file is part of Pyrogram.
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#
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# Pyrogram is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Pyrogram is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
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import os
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import random
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import unittest
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import tgcrypto
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class TestIGE256Input(unittest.TestCase):
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TYPE_ERROR_PATTERN = r"'\w+' does not (support|have) the buffer interface|a bytes-like object is required, not '\w+'"
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def test_ige256_encrypt_invalid_args_count(self):
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with self.assertRaisesRegex(TypeError, r"function takes exactly \d arguments \(\d given\)"):
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tgcrypto.ige256_encrypt(os.urandom(16), os.urandom(32))
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def test_ige256_encrypt_invalid_args_type(self):
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with self.assertRaisesRegex(TypeError, self.TYPE_ERROR_PATTERN):
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tgcrypto.ige256_encrypt(1, 2, 3)
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def test_ige256_encrypt_empty_data(self):
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with self.assertRaisesRegex(ValueError, r"Data must not be empty"):
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tgcrypto.ige256_encrypt(b"", os.urandom(32), os.urandom(32))
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def test_ige256_encrypt_invalid_key_size(self):
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with self.assertRaisesRegex(ValueError, r"Key size must be exactly 32 bytes"):
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tgcrypto.ige256_encrypt(os.urandom(16), os.urandom(31), os.urandom(32))
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def test_ige256_encrypt_invalid_iv_size(self):
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with self.assertRaisesRegex(ValueError, r"IV size must be exactly 32 bytes"):
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tgcrypto.ige256_encrypt(os.urandom(16), os.urandom(32), os.urandom(31))
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def test_ige256_decrypt_invalid_args_count(self):
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with self.assertRaisesRegex(TypeError, r"function takes exactly \d arguments \(\d given\)"):
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tgcrypto.ige256_decrypt(os.urandom(16), os.urandom(32))
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def test_ige256_decrypt_invalid_args_type(self):
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with self.assertRaisesRegex(TypeError, self.TYPE_ERROR_PATTERN):
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tgcrypto.ige256_decrypt(1, 2, 3)
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def test_ige256_decrypt_empty_data(self):
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with self.assertRaisesRegex(ValueError, r"Data must not be empty"):
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tgcrypto.ige256_decrypt(b"", os.urandom(32), os.urandom(32))
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def test_ige256_decrypt_invalid_key_size(self):
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with self.assertRaisesRegex(ValueError, r"Key size must be exactly 32 bytes"):
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tgcrypto.ige256_decrypt(os.urandom(16), os.urandom(31), os.urandom(32))
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def test_ige256_decrypt_invalid_iv_size(self):
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with self.assertRaisesRegex(ValueError, r"IV size must be exactly 32 bytes"):
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tgcrypto.ige256_decrypt(os.urandom(16), os.urandom(32), os.urandom(31))
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class TestIGE256Random(unittest.TestCase):
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DATA_CHUNK_MAX_SIZE = 64
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KEY_SIZE = 32
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IV_SIZE = 32
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TESTS_AMOUNT = 500
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TEMPLATE = """
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def test_ige256_random_{mode1}_{count}(self):
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data = {data}
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key = {key}
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iv = {iv}
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a = tgcrypto.ige256_{mode1}(data, key, iv)
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b = tgcrypto.ige256_{mode2}(a, key, iv)
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self.assertEqual(data, b)
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""".replace("\n ", "\n")
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for count in range(TESTS_AMOUNT):
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exec(
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TEMPLATE.format(
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mode1="encrypt",
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mode2="decrypt",
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count=count,
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data=os.urandom(random.randint(1, DATA_CHUNK_MAX_SIZE) * 16),
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key=os.urandom(KEY_SIZE),
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iv=os.urandom(IV_SIZE),
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)
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)
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for count in range(TESTS_AMOUNT):
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exec(
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TEMPLATE.format(
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mode1="decrypt",
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mode2="encrypt",
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count=count,
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data=os.urandom(random.randint(1, DATA_CHUNK_MAX_SIZE) * 16),
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key=os.urandom(KEY_SIZE),
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iv=os.urandom(IV_SIZE),
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)
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)
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if __name__ == "__main__":
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unittest.main()
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