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

   1 //
   2 // RijndaelTest.cs - NUnit Test Cases for Rijndael
   3 //
   4 // Author:
   5 //      Sebastien Pouliot (sebastien@ximian.com)
   6 //
   7 // (C) 2002 Motus Technologies Inc. (http://www.motus.com)
   8 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  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:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 using NUnit.Framework;
  31 using System;
  32 using System.Security.Cryptography;
  33 using System.Text;
  34
  35 namespace MonoTests.System.Security.Cryptography {
  36
  37 [TestFixture]
  38 public class RijndaelTest {
  39
  40         protected Rijndael aes;
  41
  42         [SetUp]
  43         public void SetUp ()
  44         {
  45                 aes = Rijndael.Create ();
  46         }
  47
  48         public void AssertEquals (string msg, byte[] array1, byte[] array2)
  49         {
  50                 AllTests.AssertEquals (msg, array1, array2);
  51         }
  52
  53         [Test]
  54         public void DefaultProperties ()
  55         {
  56                 Rijndael algo = aes;
  57                 Assert.AreEqual (128, algo.BlockSize, "BlockSize");
  58                 Assert.AreEqual (128, algo.FeedbackSize, "FeedbackSize");
  59                 Assert.AreEqual (256, algo.KeySize, "KeySize");
  60                 Assert.AreEqual (CipherMode.CBC, algo.Mode, "Mode");
  61                 Assert.AreEqual (PaddingMode.PKCS7, algo.Padding, "Padding");
  62                 Assert.AreEqual (1, algo.LegalBlockSizes.Length, "LegalBlockSizes");
  63                 Assert.AreEqual (256, algo.LegalBlockSizes [0].MaxSize, "LegalBlockSizes.MaxSize");
  64                 Assert.AreEqual (128, algo.LegalBlockSizes [0].MinSize, "LegalBlockSizes.MinSize");
  65                 Assert.AreEqual (64, algo.LegalBlockSizes [0].SkipSize, "LegalBlockSizes.SkipSize");
  66                 Assert.AreEqual (1, algo.LegalKeySizes.Length, "LegalKeySizes");
  67                 Assert.AreEqual (256, algo.LegalKeySizes [0].MaxSize, "LegalKeySizes.MaxSize");
  68                 Assert.AreEqual (128, algo.LegalKeySizes [0].MinSize, "LegalKeySizes.MinSize");
  69                 Assert.AreEqual (64, algo.LegalKeySizes [0].SkipSize, "LegalKeySizes.SkipSize");
  70         }
  71
  72         // FIPS197 B
  73         public void TestFIPS197_AppendixB ()
  74         {
  75                 byte[] key = { 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c };
  76                 byte[] iv = new byte[16]; // empty - not used for ECB
  77                 byte[] input = { 0x32, 0x43, 0xf6, 0xa8, 0x88, 0x5a, 0x30, 0x8d, 0x31, 0x31, 0x98, 0xa2, 0xe0, 0x37, 0x07, 0x34 };
  78                 byte[] expected = { 0x39, 0x25, 0x84, 0x1d, 0x02, 0xdc, 0x09, 0xfb, 0xdc, 0x11, 0x85, 0x97, 0x19, 0x6a, 0x0b, 0x32 };
  79
  80                 aes.Mode = CipherMode.ECB;
  81                 aes.KeySize = 128;
  82                 aes.Padding = PaddingMode.Zeros;
  83
  84                 byte[] output = new byte [input.Length];
  85                 ICryptoTransform encryptor = aes.CreateEncryptor (key, iv);
  86                 encryptor.TransformBlock (input, 0, input.Length, output, 0);
  87                 AssertEquals ("FIPS197 B Encrypt", expected, output);
  88
  89                 byte[] original = new byte [output.Length];
  90                 ICryptoTransform decryptor = aes.CreateDecryptor(key, iv);
  91                 decryptor.TransformBlock (output, 0, output.Length, original, 0);
  92                 AssertEquals ("FIPS197 B Decrypt", input, original);
  93         }
  94
  95         // FIPS197 C.1 AES-128 (Nk=4, Nr=10)
  96         public void TestFIPS197_AppendixC1 ()
  97         {
  98                 byte[] key = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f };
  99                 byte[] iv = new byte[16]; // empty - not used for ECB
 100                 byte[] input = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff };
 101                 byte[] expected = { 0x69, 0xc4, 0xe0, 0xd8, 0x6a, 0x7b, 0x04, 0x30, 0xd8, 0xcd, 0xb7, 0x80, 0x70, 0xb4, 0xc5, 0x5a };
 102
 103                 aes.Mode = CipherMode.ECB;
 104                 aes.KeySize = 128;
 105                 aes.Padding = PaddingMode.Zeros;
 106
 107                 byte[] output = new byte [input.Length];
 108                 ICryptoTransform encryptor = aes.CreateEncryptor (key, iv);
 109                 encryptor.TransformBlock(input, 0, input.Length, output, 0);
 110                 AssertEquals ("FIPS197 C1 Encrypt", expected, output);
 111
 112                 byte[] original = new byte [output.Length];
 113                 ICryptoTransform decryptor = aes.CreateDecryptor(key, iv);
 114                 decryptor.TransformBlock(output, 0, output.Length, original, 0);
 115                 AssertEquals ("FIPS197 C1 Decrypt", input, original);
 116         }
 117
 118         // FIPS197 C.2 AES-192 (Nk=6, Nr=12)
 119         public void TestFIPS197_AppendixC2 ()
 120         {
 121                 byte[] key = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17 };
 122                 byte[] iv = new byte[16]; // empty - not used for ECB
 123                 byte[] input = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff };
 124                 byte[] expected = { 0xdd, 0xa9, 0x7c, 0xa4, 0x86, 0x4c, 0xdf, 0xe0, 0x6e, 0xaf, 0x70, 0xa0, 0xec, 0x0d, 0x71, 0x91 };
 125
 126                 aes.Mode = CipherMode.ECB;
 127                 aes.KeySize = 192;
 128                 aes.Padding = PaddingMode.Zeros;
 129
 130                 byte[] output = new byte [input.Length];
 131                 ICryptoTransform encryptor = aes.CreateEncryptor (key, iv);
 132                 encryptor.TransformBlock(input, 0, input.Length, output, 0);
 133                 AssertEquals ("FIPS197 C2 Encrypt", expected, output);
 134
 135                 byte[] original = new byte [output.Length];
 136                 ICryptoTransform decryptor = aes.CreateDecryptor(key, iv);
 137                 decryptor.TransformBlock(output, 0, output.Length, original, 0);
 138                 AssertEquals ("FIPS197 C2 Decrypt", input, original);
 139         }
 140
 141         // C.3 AES-256 (Nk=8, Nr=14)
 142         public void TestFIPS197_AppendixC3 ()
 143         {
 144                 byte[] key = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f };
 145                 byte[] iv = new byte[16]; // empty - not used for ECB
 146                 byte[] input = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff };
 147                 byte[] expected = { 0x8e, 0xa2, 0xb7, 0xca, 0x51, 0x67, 0x45, 0xbf, 0xea, 0xfc, 0x49, 0x90, 0x4b, 0x49, 0x60, 0x89 };
 148
 149                 aes.Mode = CipherMode.ECB;
 150                 aes.KeySize = 256;
 151                 aes.Padding = PaddingMode.Zeros;
 152
 153                 byte[] output = new byte [input.Length];
 154                 ICryptoTransform encryptor = aes.CreateEncryptor (key, iv);
 155                 encryptor.TransformBlock(input, 0, input.Length, output, 0);
 156                 AssertEquals ("FIPS197 C3 Encrypt", expected, output);
 157
 158                 byte[] original = new byte [output.Length];
 159                 ICryptoTransform decryptor = aes.CreateDecryptor(key, iv);
 160                 decryptor.TransformBlock(output, 0, output.Length, original, 0);
 161                 AssertEquals ("FIPS197 C3 Decrypt", input, original);
 162         }
 163 }
 164
 165 }