C///

\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// # # SelfTest/Util/test_Padding.py: Self-test for padding functions # # =================================================================== # # Copyright (c) 2014, Legrandin # 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) self.assertRaises(ValueError, unpad, b(""), 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