2 // SymmetricAlgorithm2Test.cs -
3 // Non generated NUnit Test Cases for SymmetricAlgorithm
6 // Sebastien Pouliot <spouliot@ximian.com>
8 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
10 // Permission is hereby granted, free of charge, to any person obtaining
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14 // distribute, sublicense, and/or sell copies of the Software, and to
15 // permit persons to whom the Software is furnished to do so, subject to
16 // the following conditions:
18 // The above copyright notice and this permission notice shall be
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23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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30 using NUnit.Framework;
33 using System.Security.Cryptography;
36 namespace MonoTests.System.Security.Cryptography {
38 // SymmetricAlgorithm is a abstract class - so most of it's functionality wont
39 // be tested here (but will be in its descendants).
42 public class SymmetricAlgorithm2Test : Assertion {
44 public void AssertEquals (string msg, byte[] array1, byte[] array2)
46 AllTests.AssertEquals (msg, array1, array2);
50 public void KeySize_SameSize ()
52 using (SymmetricAlgorithm algo = SymmetricAlgorithm.Create ()) {
53 // get a copy of the key
54 byte[] key = algo.Key;
55 int ks = algo.KeySize;
58 // did it change the key ? Yes!
59 Assert ("Key", BitConverter.ToString (key) != BitConverter.ToString (algo.Key));
64 [ExpectedException (typeof (CryptographicException))]
65 public void InvalidBlockSize ()
67 SymmetricAlgorithm algo = SymmetricAlgorithm.Create ();
72 [ExpectedException (typeof (CryptographicException))]
73 public void InvalidFeedbackSize ()
75 SymmetricAlgorithm algo = SymmetricAlgorithm.Create ();
76 algo.FeedbackSize = algo.BlockSize + 1;
80 [ExpectedException (typeof (ArgumentNullException))]
81 public void IV_Null ()
83 SymmetricAlgorithm algo = SymmetricAlgorithm.Create ();
89 [ExpectedException (typeof (CryptographicException))]
91 public void IV_None ()
93 SymmetricAlgorithm algo = SymmetricAlgorithm.Create ();
94 algo.IV = new byte [0]; // e.g. stream ciphers
98 [ExpectedException (typeof (CryptographicException))]
99 public void IV_TooBig ()
101 SymmetricAlgorithm algo = SymmetricAlgorithm.Create ();
102 algo.IV = new byte [algo.BlockSize + 1];
106 [ExpectedException (typeof (ArgumentNullException))]
107 public void Key_Null ()
109 SymmetricAlgorithm algo = SymmetricAlgorithm.Create ();
114 [ExpectedException (typeof (CryptographicException))]
115 public void Key_WrongSize ()
117 SymmetricAlgorithm algo = SymmetricAlgorithm.Create ();
118 algo.Key = new byte [255];
122 [ExpectedException (typeof (CryptographicException))]
123 public void KeySize_WrongSize ()
125 SymmetricAlgorithm algo = SymmetricAlgorithm.Create ();
127 while (algo.ValidKeySize (++n));
132 [ExpectedException (typeof (CryptographicException))]
133 public void InvalidCipherMode ()
135 SymmetricAlgorithm algo = SymmetricAlgorithm.Create ();
136 algo.Mode = (CipherMode) 255;
140 [ExpectedException (typeof (CryptographicException))]
141 public void InvalidPaddingMode ()
143 SymmetricAlgorithm algo = SymmetricAlgorithm.Create ();
144 algo.Padding = (PaddingMode) 255;
149 [ExpectedException (typeof (CryptographicException))]
151 public void FeedbackZero ()
153 // thanks to Yakk for the sample
154 DES des = new DESCryptoServiceProvider();
155 des.FeedbackSize = 0;
156 des.Padding = PaddingMode.None;
157 des.Mode = CipherMode.ECB;
158 des.Key = new byte [8] { 8, 7, 6, 5, 4, 3, 2, 1 };
160 ICryptoTransform enc = des.CreateEncryptor ();
161 byte[] response = new byte [16];
162 byte[] challenge = new byte [16] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
164 enc.TransformBlock (challenge, 0, challenge.Length, response, 0);
165 AssertEquals ("7A-64-CD-1B-4F-EE-B5-92-54-90-53-E9-83-71-A6-0C", BitConverter.ToString (response));