Add input validation tests as well as tests based on random valid inputs

This commit is contained in:
Dan 2019-06-13 16:23:52 +02:00
parent 6816f2e2ae
commit bd20ae640b
7 changed files with 417 additions and 1 deletions

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# Pyrogram - Telegram MTProto API Client Library for Python
# Copyright (C) 2017-2019 Dan <https://github.com/delivrance>
#
# This file is part of Pyrogram.
#
# Pyrogram is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pyrogram is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.

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# Pyrogram - Telegram MTProto API Client Library for Python
# Copyright (C) 2017-2019 Dan <https://github.com/delivrance>
#
# This file is part of Pyrogram.
#
# Pyrogram is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pyrogram is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.

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@ -1,4 +1,23 @@
# Pyrogram - Telegram MTProto API Client Library for Python
# Copyright (C) 2017-2019 Dan <https://github.com/delivrance>
#
# This file is part of Pyrogram.
#
# Pyrogram is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pyrogram is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
import os
import random
import re
import unittest
from pathlib import Path
@ -110,5 +129,92 @@ class TestCBC256Cryptography(unittest.TestCase):
)
class TestCBC256Input(unittest.TestCase):
def test_cbc256_encrypt_invalid_args_count(self):
with self.assertRaisesRegex(TypeError, r"function takes exactly \d arguments \(\d given\)"):
tgcrypto.cbc256_encrypt(os.urandom(16), os.urandom(32))
def test_cbc256_encrypt_invalid_args_type(self):
with self.assertRaisesRegex(TypeError, r"a bytes-like object is required, not '\w+'"):
tgcrypto.cbc256_encrypt(1, 2, 3)
def test_cbc256_encrypt_empty_data(self):
with self.assertRaisesRegex(ValueError, r"Data must not be empty"):
tgcrypto.cbc256_encrypt(b"", os.urandom(32), os.urandom(16))
def test_cbc256_encrypt_invalid_key_size(self):
with self.assertRaisesRegex(ValueError, r"Key size must be exactly 32 bytes"):
tgcrypto.cbc256_encrypt(os.urandom(16), os.urandom(31), os.urandom(16))
def test_cbc256_encrypt_invalid_iv_size(self):
with self.assertRaisesRegex(ValueError, r"IV size must be exactly 16 bytes"):
tgcrypto.cbc256_encrypt(os.urandom(16), os.urandom(32), os.urandom(15))
def test_cbc256_decrypt_invalid_args_count(self):
with self.assertRaisesRegex(TypeError, r"function takes exactly \d arguments \(\d given\)"):
tgcrypto.cbc256_decrypt(os.urandom(16), os.urandom(32))
def test_cbc256_decrypt_invalid_args_type(self):
with self.assertRaisesRegex(TypeError, r"a bytes-like object is required, not '\w+'"):
tgcrypto.cbc256_decrypt(1, 2, 3)
def test_cbc256_decrypt_empty_data(self):
with self.assertRaisesRegex(ValueError, r"Data must not be empty"):
tgcrypto.cbc256_decrypt(b"", os.urandom(32), os.urandom(16))
def test_cbc256_decrypt_invalid_key_size(self):
with self.assertRaisesRegex(ValueError, r"Key size must be exactly 32 bytes"):
tgcrypto.cbc256_decrypt(os.urandom(16), os.urandom(31), os.urandom(16))
def test_cbc256_decrypt_invalid_iv_size(self):
with self.assertRaisesRegex(ValueError, r"IV size must be exactly 16 bytes"):
tgcrypto.cbc256_decrypt(os.urandom(16), os.urandom(32), os.urandom(15))
class TestCBC256Random(unittest.TestCase):
DATA_CHUNK_MAX_SIZE = 64
KEY_SIZE = 32
IV_SIZE = 16
TESTS_AMOUNT = 500
TEMPLATE = """
def test_cbc256_random_{mode1}_{count}(self):
data = {data}
key = {key}
iv = {iv}
iv_copy = iv.copy()
a = tgcrypto.cbc256_{mode1}(data, key, iv)
b = tgcrypto.cbc256_{mode2}(a, key, iv_copy)
self.assertEqual(data, b)
""".replace("\n ", "\n")
for count in range(TESTS_AMOUNT):
exec(
TEMPLATE.format(
mode1="encrypt",
mode2="decrypt",
count=count,
data=os.urandom(random.randint(1, DATA_CHUNK_MAX_SIZE) * 16),
key=os.urandom(KEY_SIZE),
iv=bytearray(os.urandom(IV_SIZE)),
)
)
for count in range(TESTS_AMOUNT):
exec(
TEMPLATE.format(
mode1="decrypt",
mode2="encrypt",
count=count,
data=os.urandom(random.randint(1, DATA_CHUNK_MAX_SIZE) * 16),
key=os.urandom(KEY_SIZE),
iv=bytearray(os.urandom(IV_SIZE)),
)
)
if __name__ == "__main__":
unittest.main()

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# Pyrogram - Telegram MTProto API Client Library for Python
# Copyright (C) 2017-2019 Dan <https://github.com/delivrance>
#
# This file is part of Pyrogram.
#
# Pyrogram is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pyrogram is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.

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@ -1,9 +1,29 @@
# Pyrogram - Telegram MTProto API Client Library for Python
# Copyright (C) 2017-2019 Dan <https://github.com/delivrance>
#
# This file is part of Pyrogram.
#
# Pyrogram is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pyrogram is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
import os
import random
import unittest
import tgcrypto
class TestCTR256(unittest.TestCase):
class TestCTR256NIST(unittest.TestCase):
# https://csrc.nist.gov/CSRC/media/Projects/Cryptographic-Standards-and-Guidelines/documents/examples/AES_CTR.pdf
def test_ctr256_encrypt(self):
@ -58,6 +78,8 @@ class TestCTR256(unittest.TestCase):
self.assertEqual(tgcrypto.ctr256_decrypt(ciphertext, key, iv, bytes(1)), plaintext)
class TestCTR256Cryptography(unittest.TestCase):
# https://github.com/pyca/cryptography/blob/cd4de3ce6dc2a0dd4171b869e187857e4125853b/vectors/cryptography_vectors/ciphers/AES/CTR/aes-256-ctr.txt
def test_ctr256_encrypt_extra1(self):
@ -85,5 +107,112 @@ class TestCTR256(unittest.TestCase):
self.assertEqual(tgcrypto.ctr256_encrypt(plaintext, key, iv, bytes(1)), ciphertext)
class TestCTR256Input(unittest.TestCase):
def test_ctr256_encrypt_invalid_args_count(self):
with self.assertRaisesRegex(TypeError, r"function takes exactly \d arguments \(\d given\)"):
tgcrypto.ctr256_encrypt(os.urandom(8), os.urandom(32), os.urandom(16))
def test_ctr256_encrypt_invalid_args_type(self):
with self.assertRaisesRegex(TypeError, r"a bytes-like object is required, not '\w+'"):
tgcrypto.ctr256_encrypt(1, 2, 3, 4)
def test_ctr256_encrypt_empty_data(self):
with self.assertRaisesRegex(ValueError, r"Data must not be empty"):
tgcrypto.ctr256_encrypt(b"", os.urandom(32), os.urandom(16), bytes(1))
def test_ctr256_encrypt_invalid_key_size(self):
with self.assertRaisesRegex(ValueError, r"Key size must be exactly 32 bytes"):
tgcrypto.ctr256_encrypt(os.urandom(8), os.urandom(31), os.urandom(16), bytes(1))
def test_ctr256_encrypt_invalid_iv_size(self):
with self.assertRaisesRegex(ValueError, r"IV size must be exactly 16 bytes"):
tgcrypto.ctr256_encrypt(os.urandom(8), os.urandom(32), os.urandom(15), bytes(1))
def test_ctr256_encrypt_invalid_state_size(self):
with self.assertRaisesRegex(ValueError, r"State size must be exactly 1 byte"):
tgcrypto.ctr256_encrypt(os.urandom(8), os.urandom(32), os.urandom(16), bytes([1, 2, 3]))
def test_ctr256_encrypt_invalid_state_value(self):
with self.assertRaisesRegex(ValueError, r"State value must be in the range \[0, 15\]"):
tgcrypto.ctr256_encrypt(os.urandom(8), os.urandom(32), os.urandom(16), bytes([16]))
def test_ctr256_decrypt_invalid_args_count(self):
with self.assertRaisesRegex(TypeError, r"function takes exactly \d arguments \(\d given\)"):
tgcrypto.ctr256_decrypt(os.urandom(8), os.urandom(32), os.urandom(16))
def test_ctr256_decrypt_invalid_args_type(self):
with self.assertRaisesRegex(TypeError, r"a bytes-like object is required, not '\w+'"):
tgcrypto.ctr256_decrypt(1, 2, 3, 4)
def test_ctr256_decrypt_empty_data(self):
with self.assertRaisesRegex(ValueError, r"Data must not be empty"):
tgcrypto.ctr256_decrypt(b"", os.urandom(32), os.urandom(16), bytes(1))
def test_ctr256_decrypt_invalid_key_size(self):
with self.assertRaisesRegex(ValueError, r"Key size must be exactly 32 bytes"):
tgcrypto.ctr256_decrypt(os.urandom(8), os.urandom(31), os.urandom(16), bytes(1))
def test_ctr256_decrypt_invalid_iv_size(self):
with self.assertRaisesRegex(ValueError, r"IV size must be exactly 16 bytes"):
tgcrypto.ctr256_decrypt(os.urandom(8), os.urandom(32), os.urandom(15), bytes(1))
def test_ctr256_decrypt_invalid_state_size(self):
with self.assertRaisesRegex(ValueError, r"State size must be exactly 1 byte"):
tgcrypto.ctr256_decrypt(os.urandom(8), os.urandom(32), os.urandom(16), bytes([1, 2, 3]))
def test_ctr256_decrypt_invalid_state_value(self):
with self.assertRaisesRegex(ValueError, r"State value must be in the range \[0, 15\]"):
tgcrypto.ctr256_decrypt(os.urandom(8), os.urandom(32), os.urandom(16), bytes([16]))
class TestCTR256Random(unittest.TestCase):
DATA_MAX_SIZE = 1024
KEY_SIZE = 32
IV_SIZE = 16
TESTS_AMOUNT = 500
TEMPLATE = """
def test_ctr256_random_{mode1}_{count}(self):
data = {data}
key = {key}
iv = {iv}
iv_copy = iv.copy()
state = {state}
state_copy = state.copy()
a = tgcrypto.ctr256_{mode1}(data, key, iv, state)
b = tgcrypto.ctr256_{mode2}(a, key, iv_copy, state_copy)
self.assertEqual(data, b)
""".replace("\n ", "\n")
for count in range(TESTS_AMOUNT):
exec(
TEMPLATE.format(
mode1="encrypt",
mode2="decrypt",
count=count,
data=os.urandom(random.randint(1, DATA_MAX_SIZE)),
key=os.urandom(KEY_SIZE),
iv=bytearray(os.urandom(IV_SIZE)),
state=bytearray([random.randint(0, 15)])
)
)
for count in range(TESTS_AMOUNT):
exec(
TEMPLATE.format(
mode1="decrypt",
mode2="encrypt",
count=count,
data=os.urandom(random.randint(1, DATA_MAX_SIZE)),
key=os.urandom(KEY_SIZE),
iv=bytearray(os.urandom(IV_SIZE)),
state=bytearray([random.randint(0, 15)])
)
)
if __name__ == "__main__":
unittest.main()

17
tests/ige/__init__.py Normal file
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# Pyrogram - Telegram MTProto API Client Library for Python
# Copyright (C) 2017-2019 Dan <https://github.com/delivrance>
#
# This file is part of Pyrogram.
#
# Pyrogram is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pyrogram is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.

113
tests/ige/test_ige.py Normal file
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@ -0,0 +1,113 @@
# Pyrogram - Telegram MTProto API Client Library for Python
# Copyright (C) 2017-2019 Dan <https://github.com/delivrance>
#
# This file is part of Pyrogram.
#
# Pyrogram is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pyrogram is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
import os
import random
import unittest
import tgcrypto
class TestIGE256Input(unittest.TestCase):
def test_ige256_encrypt_invalid_args_count(self):
with self.assertRaisesRegex(TypeError, r"function takes exactly \d arguments \(\d given\)"):
tgcrypto.ige256_encrypt(os.urandom(16), os.urandom(32))
def test_ige256_encrypt_invalid_args_type(self):
with self.assertRaisesRegex(TypeError, r"a bytes-like object is required, not '\w+'"):
tgcrypto.ige256_encrypt(1, 2, 3)
def test_ige256_encrypt_empty_data(self):
with self.assertRaisesRegex(ValueError, r"Data must not be empty"):
tgcrypto.ige256_encrypt(b"", os.urandom(32), os.urandom(32))
def test_ige256_encrypt_invalid_key_size(self):
with self.assertRaisesRegex(ValueError, r"Key size must be exactly 32 bytes"):
tgcrypto.ige256_encrypt(os.urandom(16), os.urandom(31), os.urandom(32))
def test_ige256_encrypt_invalid_iv_size(self):
with self.assertRaisesRegex(ValueError, r"IV size must be exactly 32 bytes"):
tgcrypto.ige256_encrypt(os.urandom(16), os.urandom(32), os.urandom(31))
def test_ige256_decrypt_invalid_args_count(self):
with self.assertRaisesRegex(TypeError, r"function takes exactly \d arguments \(\d given\)"):
tgcrypto.ige256_decrypt(os.urandom(16), os.urandom(32))
def test_ige256_decrypt_invalid_args_type(self):
with self.assertRaisesRegex(TypeError, r"a bytes-like object is required, not '\w+'"):
tgcrypto.ige256_decrypt(1, 2, 3)
def test_ige256_decrypt_empty_data(self):
with self.assertRaisesRegex(ValueError, r"Data must not be empty"):
tgcrypto.ige256_decrypt(b"", os.urandom(32), os.urandom(32))
def test_ige256_decrypt_invalid_key_size(self):
with self.assertRaisesRegex(ValueError, r"Key size must be exactly 32 bytes"):
tgcrypto.ige256_decrypt(os.urandom(16), os.urandom(31), os.urandom(32))
def test_ige256_decrypt_invalid_iv_size(self):
with self.assertRaisesRegex(ValueError, r"IV size must be exactly 32 bytes"):
tgcrypto.ige256_decrypt(os.urandom(16), os.urandom(32), os.urandom(31))
class TestIGE256Random(unittest.TestCase):
DATA_CHUNK_MAX_SIZE = 64
KEY_SIZE = 32
IV_SIZE = 32
TESTS_AMOUNT = 500
TEMPLATE = """
def test_ige256_random_{mode1}_{count}(self):
data = {data}
key = {key}
iv = {iv}
a = tgcrypto.ige256_{mode1}(data, key, iv)
b = tgcrypto.ige256_{mode2}(a, key, iv)
self.assertEqual(data, b)
""".replace("\n ", "\n")
for count in range(TESTS_AMOUNT):
exec(
TEMPLATE.format(
mode1="encrypt",
mode2="decrypt",
count=count,
data=os.urandom(random.randint(1, DATA_CHUNK_MAX_SIZE) * 16),
key=os.urandom(KEY_SIZE),
iv=os.urandom(IV_SIZE),
)
)
for count in range(TESTS_AMOUNT):
exec(
TEMPLATE.format(
mode1="decrypt",
mode2="encrypt",
count=count,
data=os.urandom(random.randint(1, DATA_CHUNK_MAX_SIZE) * 16),
key=os.urandom(KEY_SIZE),
iv=os.urandom(IV_SIZE),
)
)
if __name__ == "__main__":
unittest.main()