Updated DB_Helper by adding firebase methods.

venv/Lib/site-packages/Crypto/SelfTest/Util/test_Padding.py

@@ -0,0 +1,151 @@
+#
+#  SelfTest/Util/test_Padding.py: Self-test for padding functions
+#
+# ===================================================================
+#
+# Copyright (c) 2014, Legrandin <helderijs@gmail.com>
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+# ===================================================================
+
+import unittest
+from binascii import unhexlify as uh
+
+from Crypto.Util.py3compat import *
+from Crypto.SelfTest.st_common import list_test_cases
+from Crypto.Util.Padding import pad, unpad
+
+class PKCS7_Tests(unittest.TestCase):
+
+    def test1(self):
+        padded = pad(b(""), 4)
+        self.assertTrue(padded == uh(b("04040404")))
+        padded = pad(b(""), 4, 'pkcs7')
+        self.assertTrue(padded == uh(b("04040404")))
+        back = unpad(padded, 4)
+        self.assertTrue(back == b(""))
+
+    def test2(self):
+        padded = pad(uh(b("12345678")), 4)
+        self.assertTrue(padded == uh(b("1234567804040404")))
+        back = unpad(padded, 4)
+        self.assertTrue(back == uh(b("12345678")))
+
+    def test3(self):
+        padded = pad(uh(b("123456")), 4)
+        self.assertTrue(padded == uh(b("12345601")))
+        back = unpad(padded, 4)
+        self.assertTrue(back == uh(b("123456")))
+
+    def test4(self):
+        padded = pad(uh(b("1234567890")), 4)
+        self.assertTrue(padded == uh(b("1234567890030303")))
+        back = unpad(padded, 4)
+        self.assertTrue(back == uh(b("1234567890")))
+
+    def testn1(self):
+        self.assertRaises(ValueError, pad, uh(b("12")), 4, 'pkcs8')
+
+    def testn2(self):
+        self.assertRaises(ValueError, unpad, b("\0\0\0"), 4)
+
+    def testn3(self):
+        self.assertRaises(ValueError, unpad, b("123456\x02"), 4)
+        self.assertRaises(ValueError, unpad, b("123456\x00"), 4)
+        self.assertRaises(ValueError, unpad, b("123456\x05\x05\x05\x05\x05"), 4)
+
+class X923_Tests(unittest.TestCase):
+
+    def test1(self):
+        padded = pad(b(""), 4, 'x923')
+        self.assertTrue(padded == uh(b("00000004")))
+        back = unpad(padded, 4, 'x923')
+        self.assertTrue(back == b(""))
+
+    def test2(self):
+        padded = pad(uh(b("12345678")), 4, 'x923')
+        self.assertTrue(padded == uh(b("1234567800000004")))
+        back = unpad(padded, 4, 'x923')
+        self.assertTrue(back == uh(b("12345678")))
+
+    def test3(self):
+        padded = pad(uh(b("123456")), 4, 'x923')
+        self.assertTrue(padded == uh(b("12345601")))
+        back = unpad(padded, 4, 'x923')
+        self.assertTrue(back == uh(b("123456")))
+
+    def test4(self):
+        padded = pad(uh(b("1234567890")), 4, 'x923')
+        self.assertTrue(padded == uh(b("1234567890000003")))
+        back = unpad(padded, 4, 'x923')
+        self.assertTrue(back == uh(b("1234567890")))
+
+    def testn1(self):
+        self.assertRaises(ValueError, unpad, b("123456\x02"), 4, 'x923')
+        self.assertRaises(ValueError, unpad, b("123456\x00"), 4, 'x923')
+        self.assertRaises(ValueError, unpad, b("123456\x00\x00\x00\x00\x05"), 4, 'x923')
+
+class ISO7816_Tests(unittest.TestCase):
+
+    def test1(self):
+        padded = pad(b(""), 4, 'iso7816')
+        self.assertTrue(padded == uh(b("80000000")))
+        back = unpad(padded, 4, 'iso7816')
+        self.assertTrue(back == b(""))
+
+    def test2(self):
+        padded = pad(uh(b("12345678")), 4, 'iso7816')
+        self.assertTrue(padded == uh(b("1234567880000000")))
+        back = unpad(padded, 4, 'iso7816')
+        self.assertTrue(back == uh(b("12345678")))
+
+    def test3(self):
+        padded = pad(uh(b("123456")), 4, 'iso7816')
+        self.assertTrue(padded == uh(b("12345680")))
+        #import pdb; pdb.set_trace()
+        back = unpad(padded, 4, 'iso7816')
+        self.assertTrue(back == uh(b("123456")))
+
+    def test4(self):
+        padded = pad(uh(b("1234567890")), 4, 'iso7816')
+        self.assertTrue(padded == uh(b("1234567890800000")))
+        back = unpad(padded, 4, 'iso7816')
+        self.assertTrue(back == uh(b("1234567890")))
+
+    def testn1(self):
+        self.assertRaises(ValueError, unpad, b("123456\x81"), 4, 'iso7816')
+
+def get_tests(config={}):
+    tests = []
+    tests += list_test_cases(PKCS7_Tests)
+    tests += list_test_cases(X923_Tests)
+    tests += list_test_cases(ISO7816_Tests)
+    return tests
+
+if __name__ == '__main__':
+    suite = lambda: unittest.TestSuite(get_tests())
+    unittest.main(defaultTest='suite')
+