mirror of
https://github.com/TeamPGM/tgcrypto.git
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219 lines
9.0 KiB
Python
219 lines
9.0 KiB
Python
# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017-2019 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 TestCTR256NIST(unittest.TestCase):
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# https://csrc.nist.gov/CSRC/media/Projects/Cryptographic-Standards-and-Guidelines/documents/examples/AES_CTR.pdf
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def test_ctr256_encrypt(self):
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key = bytes.fromhex("""
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603DEB10 15CA71BE 2B73AEF0 857D7781
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1F352C07 3B6108D7 2D9810A3 0914DFF4
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""".replace(" ", "").replace("\n", ""))
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iv = bytes.fromhex("""
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F0F1F2F3 F4F5F6F7 F8F9FAFB FCFDFEFF
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""".replace(" ", "").replace("\n", ""))
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plaintext = bytes.fromhex("""
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6BC1BEE2 2E409F96 E93D7E11 7393172A
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AE2D8A57 1E03AC9C 9EB76FAC 45AF8E51
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30C81C46 A35CE411 E5FBC119 1A0A52EF
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F69F2445 DF4F9B17 AD2B417B E66C3710
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""".replace(" ", "").replace("\n", ""))
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ciphertext = bytes.fromhex("""
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601EC313 775789A5 B7A7F504 BBF3D228
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F443E3CA 4D62B59A CA84E990 CACAF5C5
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2B0930DA A23DE94C E87017BA 2D84988D
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DFC9C58D B67AADA6 13C2DD08 457941A6
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""".replace(" ", "").replace("\n", ""))
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self.assertEqual(tgcrypto.ctr256_encrypt(plaintext, key, iv, bytes(1)), ciphertext)
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def test_ctr256_decrypt(self):
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key = bytes.fromhex("""
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603DEB10 15CA71BE 2B73AEF0 857D7781
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1F352C07 3B6108D7 2D9810A3 0914DFF4
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""".replace(" ", "").replace("\n", ""))
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iv = bytes.fromhex("""
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F0F1F2F3 F4F5F6F7 F8F9FAFB FCFDFEFF
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""".replace(" ", "").replace("\n", ""))
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ciphertext = bytes.fromhex("""
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601EC313 775789A5 B7A7F504 BBF3D228
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F443E3CA 4D62B59A CA84E990 CACAF5C5
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2B0930DA A23DE94C E87017BA 2D84988D
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DFC9C58D B67AADA6 13C2DD08 457941A6
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""".replace(" ", "").replace("\n", ""))
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plaintext = bytes.fromhex("""
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6BC1BEE2 2E409F96 E93D7E11 7393172A
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AE2D8A57 1E03AC9C 9EB76FAC 45AF8E51
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30C81C46 A35CE411 E5FBC119 1A0A52EF
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F69F2445 DF4F9B17 AD2B417B E66C3710
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""".replace(" ", "").replace("\n", ""))
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self.assertEqual(tgcrypto.ctr256_decrypt(ciphertext, key, iv, bytes(1)), plaintext)
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class TestCTR256Cryptography(unittest.TestCase):
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# https://github.com/pyca/cryptography/blob/cd4de3ce6dc2a0dd4171b869e187857e4125853b/vectors/cryptography_vectors/ciphers/AES/CTR/aes-256-ctr.txt
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def test_ctr256_encrypt_extra1(self):
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key = bytes.fromhex("776BEFF2851DB06F4C8A0542C8696F6C6A81AF1EEC96B4D37FC1D689E6C1C104")
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iv = bytes.fromhex("00000060DB5672C97AA8F0B200000001")
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plaintext = bytes.fromhex("53696E676C6520626C6F636B206D7367")
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ciphertext = bytes.fromhex("145AD01DBF824EC7560863DC71E3E0C0")
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self.assertEqual(tgcrypto.ctr256_encrypt(plaintext, key, iv, bytes(1)), ciphertext)
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def test_ctr256_encrypt_extra2(self):
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key = bytes.fromhex("F6D66D6BD52D59BB0796365879EFF886C66DD51A5B6A99744B50590C87A23884")
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iv = bytes.fromhex("00FAAC24C1585EF15A43D87500000001")
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plaintext = bytes.fromhex("000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F")
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ciphertext = bytes.fromhex("F05E231B3894612C49EE000B804EB2A9B8306B508F839D6A5530831D9344AF1C")
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self.assertEqual(tgcrypto.ctr256_encrypt(plaintext, key, iv, bytes(1)), ciphertext)
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def test_ctr256_encrypt_extra3(self):
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key = bytes.fromhex("FF7A617CE69148E4F1726E2F43581DE2AA62D9F805532EDFF1EED687FB54153D")
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iv = bytes.fromhex("001CC5B751A51D70A1C1114800000001")
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plaintext = bytes.fromhex("000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F20212223")
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ciphertext = bytes.fromhex("EB6C52821D0BBBF7CE7594462ACA4FAAB407DF866569FD07F48CC0B583D6071F1EC0E6B8")
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self.assertEqual(tgcrypto.ctr256_encrypt(plaintext, key, iv, bytes(1)), ciphertext)
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class TestCTR256Input(unittest.TestCase):
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def test_ctr256_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.ctr256_encrypt(os.urandom(8), os.urandom(32), os.urandom(16))
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def test_ctr256_encrypt_invalid_args_type(self):
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with self.assertRaisesRegex(TypeError, r"a bytes-like object is required, not '\w+'"):
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tgcrypto.ctr256_encrypt(1, 2, 3, 4)
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def test_ctr256_encrypt_empty_data(self):
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with self.assertRaisesRegex(ValueError, r"Data must not be empty"):
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tgcrypto.ctr256_encrypt(b"", os.urandom(32), os.urandom(16), bytes(1))
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def test_ctr256_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.ctr256_encrypt(os.urandom(8), os.urandom(31), os.urandom(16), bytes(1))
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def test_ctr256_encrypt_invalid_iv_size(self):
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with self.assertRaisesRegex(ValueError, r"IV size must be exactly 16 bytes"):
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tgcrypto.ctr256_encrypt(os.urandom(8), os.urandom(32), os.urandom(15), bytes(1))
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def test_ctr256_encrypt_invalid_state_size(self):
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with self.assertRaisesRegex(ValueError, r"State size must be exactly 1 byte"):
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tgcrypto.ctr256_encrypt(os.urandom(8), os.urandom(32), os.urandom(16), bytes([1, 2, 3]))
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def test_ctr256_encrypt_invalid_state_value(self):
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with self.assertRaisesRegex(ValueError, r"State value must be in the range \[0, 15\]"):
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tgcrypto.ctr256_encrypt(os.urandom(8), os.urandom(32), os.urandom(16), bytes([16]))
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def test_ctr256_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.ctr256_decrypt(os.urandom(8), os.urandom(32), os.urandom(16))
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def test_ctr256_decrypt_invalid_args_type(self):
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with self.assertRaisesRegex(TypeError, r"a bytes-like object is required, not '\w+'"):
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tgcrypto.ctr256_decrypt(1, 2, 3, 4)
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def test_ctr256_decrypt_empty_data(self):
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with self.assertRaisesRegex(ValueError, r"Data must not be empty"):
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tgcrypto.ctr256_decrypt(b"", os.urandom(32), os.urandom(16), bytes(1))
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def test_ctr256_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.ctr256_decrypt(os.urandom(8), os.urandom(31), os.urandom(16), bytes(1))
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def test_ctr256_decrypt_invalid_iv_size(self):
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with self.assertRaisesRegex(ValueError, r"IV size must be exactly 16 bytes"):
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tgcrypto.ctr256_decrypt(os.urandom(8), os.urandom(32), os.urandom(15), bytes(1))
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def test_ctr256_decrypt_invalid_state_size(self):
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with self.assertRaisesRegex(ValueError, r"State size must be exactly 1 byte"):
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tgcrypto.ctr256_decrypt(os.urandom(8), os.urandom(32), os.urandom(16), bytes([1, 2, 3]))
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def test_ctr256_decrypt_invalid_state_value(self):
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with self.assertRaisesRegex(ValueError, r"State value must be in the range \[0, 15\]"):
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tgcrypto.ctr256_decrypt(os.urandom(8), os.urandom(32), os.urandom(16), bytes([16]))
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class TestCTR256Random(unittest.TestCase):
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DATA_MAX_SIZE = 1024
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KEY_SIZE = 32
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IV_SIZE = 16
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TESTS_AMOUNT = 500
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TEMPLATE = """
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def test_ctr256_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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iv_copy = iv.copy()
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state = {state}
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state_copy = state.copy()
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a = tgcrypto.ctr256_{mode1}(data, key, iv, state)
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b = tgcrypto.ctr256_{mode2}(a, key, iv_copy, state_copy)
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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_MAX_SIZE)),
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key=os.urandom(KEY_SIZE),
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iv=bytearray(os.urandom(IV_SIZE)),
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state=bytearray([random.randint(0, 15)])
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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_MAX_SIZE)),
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key=os.urandom(KEY_SIZE),
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iv=bytearray(os.urandom(IV_SIZE)),
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state=bytearray([random.randint(0, 15)])
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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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