mcs/class/corlib/Test/System.Security.Cryptography/TripleDESTest.cs

   1 //
   2 // TripleDESTest.cs - NUnit Test Cases for TripleDES
   3 //
   4 // Author:
   5 //      Sebastien Pouliot (sebastien@ximian.com)
   6 //
   7 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using NUnit.Framework;
  30 using System;
  31 using System.Security.Cryptography;
  32
  33 namespace MonoTests.System.Security.Cryptography {
  34
  35         [TestFixture]
  36         public class TripleDESTest {
  37
  38                 [Test]
  39                 public void DefaultProperties ()
  40                 {
  41                         TripleDES algo = TripleDES.Create ();
  42                         Assert.AreEqual (64, algo.BlockSize, "BlockSize");
  43                         Assert.AreEqual (8, algo.FeedbackSize, "FeedbackSize");
  44                         Assert.AreEqual (192, algo.KeySize, "KeySize");
  45                         Assert.AreEqual (CipherMode.CBC, algo.Mode, "Mode");
  46                         Assert.AreEqual (PaddingMode.PKCS7, algo.Padding, "Padding");
  47                         Assert.AreEqual (1, algo.LegalBlockSizes.Length, "LegalBlockSizes");
  48                         Assert.AreEqual (64, algo.LegalBlockSizes [0].MaxSize, "LegalBlockSizes.MaxSize");
  49                         Assert.AreEqual (64, algo.LegalBlockSizes [0].MinSize, "LegalBlockSizes.MinSize");
  50                         Assert.AreEqual (0, algo.LegalBlockSizes [0].SkipSize, "LegalBlockSizes.SkipSize");
  51                         Assert.AreEqual (1, algo.LegalKeySizes.Length, "LegalKeySizes");
  52                         Assert.AreEqual (192, algo.LegalKeySizes [0].MaxSize, "LegalKeySizes.MaxSize");
  53                         Assert.AreEqual (128, algo.LegalKeySizes [0].MinSize, "LegalKeySizes.MinSize");
  54                         Assert.AreEqual (64, algo.LegalKeySizes [0].SkipSize, "LegalKeySizes.SkipSize");
  55                 }
  56
  57                 [Test]
  58                 public void Key ()
  59                 {
  60                         TripleDES algo = TripleDES.Create ();
  61                         algo.GenerateKey ();
  62                         algo.GenerateIV ();
  63                         Assert.AreEqual (192, algo.KeySize, "Key Size");
  64                         Assert.AreEqual (24, algo.Key.Length, "Key Length");
  65                         Assert.AreEqual (8, algo.IV.Length, "IV Length");
  66                 }
  67
  68                 [Test]
  69                 [ExpectedException (typeof (ArgumentNullException))]
  70                 public void KeyNull ()
  71                 {
  72                         TripleDES algo = TripleDES.Create ();
  73                         algo.Key = null;
  74                 }
  75
  76                 [Test]
  77                 [ExpectedException (typeof (CryptographicException))]
  78                 public void KeyWeak128bits ()
  79                 {
  80                         byte[] wk128 = { 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF };
  81                         TripleDES algo = TripleDES.Create ();
  82                         algo.Key = wk128;
  83                 }
  84
  85                 [Test]
  86                 [ExpectedException (typeof (CryptographicException))]
  87                 public void KeyWeak192bits_AB ()
  88                 {
  89                         byte[] wk192 = { 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, 0xCD, 0xCD, 0xCD, 0xCD, 0xCD, 0xCD, 0xCD, 0xCD };
  90                         TripleDES algo = TripleDES.Create ();
  91                         algo.Key = wk192;
  92                 }
  93
  94                 [Test]
  95                 [ExpectedException (typeof (CryptographicException))]
  96                 public void KeyWeak192bits_BC ()
  97                 {
  98                         byte[] wk192 = { 0xCD, 0xCD, 0xCD, 0xCD, 0xCD, 0xCD, 0xCD, 0xCD, 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF };
  99                         TripleDES algo = TripleDES.Create ();
 100                         algo.Key = wk192;
 101                 }
 102
 103                 [Test]
 104                 [ExpectedException (typeof (CryptographicException))]
 105                 public void KeyWrongLength ()
 106                 {
 107                         byte[] wk64 = { 0xCD, 0xCD, 0xCD, 0xCD, 0xCD, 0xCD, 0xCD, 0xCD };
 108                         TripleDES algo = TripleDES.Create ();
 109                         algo.Key = wk64;
 110                 }
 111         }
 112 }