73 lines
2.5 KiB
Python
73 lines
2.5 KiB
Python
# -*- coding: utf-8 -*-
|
|
#
|
|
# SelfTest/Cipher/XOR.py: Self-test for the XOR "cipher"
|
|
#
|
|
# Written in 2008 by Dwayne C. Litzenberger <dlitz@dlitz.net>
|
|
#
|
|
# ===================================================================
|
|
# The contents of this file are dedicated to the public domain. To
|
|
# the extent that dedication to the public domain is not available,
|
|
# everyone is granted a worldwide, perpetual, royalty-free,
|
|
# non-exclusive license to exercise all rights associated with the
|
|
# contents of this file for any purpose whatsoever.
|
|
# No rights are reserved.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
# SOFTWARE.
|
|
# ===================================================================
|
|
|
|
"""Self-test suite for Crypto.Cipher.XOR"""
|
|
|
|
import unittest
|
|
|
|
__revision__ = "$Id$"
|
|
|
|
from Crypto.Util.py3compat import *
|
|
|
|
# This is a list of (plaintext, ciphertext, key) tuples.
|
|
test_data = [
|
|
# Test vectors written from scratch. (Nobody posts XOR test vectors on the web? How disappointing.)
|
|
('01', '01',
|
|
'00',
|
|
'zero key'),
|
|
|
|
('0102040810204080', '0003050911214181',
|
|
'01',
|
|
'1-byte key'),
|
|
|
|
('0102040810204080', 'cda8c8a2dc8a8c2a',
|
|
'ccaa',
|
|
'2-byte key'),
|
|
|
|
('ff'*64, 'fffefdfcfbfaf9f8f7f6f5f4f3f2f1f0efeeedecebeae9e8e7e6e5e4e3e2e1e0'*2,
|
|
'000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f',
|
|
'32-byte key'),
|
|
]
|
|
|
|
class TruncationSelfTest(unittest.TestCase):
|
|
|
|
def runTest(self):
|
|
"""33-byte key (should raise ValueError under current implementation)"""
|
|
# Crypto.Cipher.XOR previously truncated its inputs at 32 bytes. Now
|
|
# it should raise a ValueError if the length is too long.
|
|
self.assertRaises(ValueError, XOR.new, "x"*33)
|
|
|
|
def get_tests(config={}):
|
|
global XOR
|
|
from Crypto.Cipher import XOR
|
|
from .common import make_stream_tests
|
|
return make_stream_tests(XOR, "XOR", test_data) + [TruncationSelfTest()]
|
|
|
|
if __name__ == '__main__':
|
|
import unittest
|
|
suite = lambda: unittest.TestSuite(get_tests())
|
|
unittest.main(defaultTest='suite')
|
|
|
|
# vim:set ts=4 sw=4 sts=4 expandtab:
|