Missing optional lib

1 files changed, 72 insertions, 0 deletions

diff --git a/lib/Python/Lib/Crypto/SelfTest/Cipher/test_XOR.py b/lib/Python/Lib/Crypto/SelfTest/Cipher/test_XOR.py
new file mode 100644
index 000000000..a4d542aca
--- /dev/null
+++ b/lib/Python/Lib/Crypto/SelfTest/Cipher/test_XOR.py
@@ -0,0 +1,72 @@
+# -*- 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: