mcs/class/Mono.Security/Test/Mono.Security.Cryptography/MD2Test.cs

   1 //
   2 // MD2Test.cs - NUnit Test Cases for MD2 (RFC1319)
   3 //
   4 // Author:
   5 //      Sebastien Pouliot (sebastien@ximian.com)
   6 //
   7 // (C) 2002 Motus Technologies Inc. (http://www.motus.com)
   8 // (C) 2004 Novell (http://www.novell.com)
   9 //
  10
  11 using System;
  12 using System.IO;
  13 using System.Security.Cryptography;
  14 using System.Text;
  15
  16 using Mono.Security.Cryptography;
  17 using NUnit.Framework;
  18
  19 namespace MonoTests.Mono.Security.Cryptography {
  20
  21         // References:
  22         // a.   The MD2 Message-Digest Algorithm
  23         //      http://www.ietf.org/rfc/rfc1319.txt
  24
  25         // MD2 is a abstract class - so ALL of the test included here wont be tested
  26         // on the abstract class but should be tested in ALL its descendants.
  27         public class MD2Test : Assertion {
  28
  29                 protected MD2 hash;
  30
  31                 // because most crypto stuff works with byte[] buffers
  32                 static public void AssertEquals (string msg, byte[] array1, byte[] array2)
  33                 {
  34                         if ((array1 == null) && (array2 == null))
  35                                 return;
  36                         if (array1 == null)
  37                                 Fail (msg + " -> First array is NULL");
  38                         if (array2 == null)
  39                                 Fail (msg + " -> Second array is NULL");
  40
  41                         bool a = (array1.Length == array2.Length);
  42                         if (a) {
  43                                 for (int i = 0; i < array1.Length; i++) {
  44                                         if (array1 [i] != array2 [i]) {
  45                                                 a = false;
  46                                                 break;
  47                                         }
  48                                 }
  49                         }
  50                         if (array1.Length > 0) {
  51                                 msg += " -> Expected " + BitConverter.ToString (array1, 0);
  52                                 msg += " is different than " + BitConverter.ToString (array2, 0);
  53                         }
  54                         Assert (msg, a);
  55                 }
  56
  57                 // MD2 ("") = 8350e5a3e24c153df2275c9f80692773
  58                 [Test]
  59                 public void RFC1319_Test1 ()
  60                 {
  61                         string className = hash.ToString ();
  62                         byte[] result = { 0x83, 0x50, 0xe5, 0xa3, 0xe2, 0x4c, 0x15, 0x3d, 0xf2, 0x27, 0x5c, 0x9f, 0x80, 0x69, 0x27, 0x73 };
  63                         byte[] input = new byte [0];
  64
  65                         string testName = className + " 1";
  66                         RFC1319_a (testName, hash, input, result);
  67                         RFC1319_b (testName, hash, input, result);
  68                         RFC1319_c (testName, hash, input, result);
  69                         RFC1319_d (testName, hash, input, result);
  70                         // N/A RFC1319_e (testName, hash, input, result);
  71                 }
  72
  73                 // MD2 ("a") = 32ec01ec4a6dac72c0ab96fb34c0b5d1
  74                 [Test]
  75                 public void RFC1319_Test2 ()
  76                 {
  77                         string className = hash.ToString ();
  78                         byte[] result = { 0x32, 0xec, 0x01, 0xec, 0x4a, 0x6d, 0xac, 0x72, 0xc0, 0xab, 0x96, 0xfb, 0x34, 0xc0, 0xb5, 0xd1 };
  79                         byte[] input = Encoding.Default.GetBytes ("a");
  80
  81                         string testName = className + " 2";
  82                         RFC1319_a (testName, hash, input, result);
  83                         RFC1319_b (testName, hash, input, result);
  84                         RFC1319_c (testName, hash, input, result);
  85                         RFC1319_d (testName, hash, input, result);
  86                         RFC1319_e (testName, hash, input, result);
  87                 }
  88
  89                 // MD2 ("abc") = da853b0d3f88d99b30283a69e6ded6bb
  90                 [Test]
  91                 public void RFC1319_Test3 ()
  92                 {
  93                         string className = hash.ToString ();
  94                         byte[] result = { 0xda, 0x85, 0x3b, 0x0d, 0x3f, 0x88, 0xd9, 0x9b, 0x30, 0x28, 0x3a, 0x69, 0xe6, 0xde, 0xd6, 0xbb };
  95                         byte[] input = Encoding.Default.GetBytes ("abc");
  96
  97                         string testName = className + " 3";
  98                         RFC1319_a (testName, hash, input, result);
  99                         RFC1319_b (testName, hash, input, result);
 100                         RFC1319_c (testName, hash, input, result);
 101                         RFC1319_d (testName, hash, input, result);
 102                         RFC1319_e (testName, hash, input, result);
 103                 }
 104
 105                 // MD2 ("message digest") = ab4f496bfb2a530b219ff33031fe06b0
 106                 [Test]
 107                 public void RFC1319_Test4 ()
 108                 {
 109                         string className = hash.ToString ();
 110                         byte[] result = { 0xab, 0x4f, 0x49, 0x6b, 0xfb, 0x2a, 0x53, 0x0b, 0x21, 0x9f, 0xf3, 0x30, 0x31, 0xfe, 0x06, 0xb0 };
 111                         byte[] input = Encoding.Default.GetBytes ("message digest");
 112
 113                         string testName = className + " 4";
 114                         RFC1319_a (testName, hash, input, result);
 115                         RFC1319_b (testName, hash, input, result);
 116                         RFC1319_c (testName, hash, input, result);
 117                         RFC1319_d (testName, hash, input, result);
 118                         RFC1319_e (testName, hash, input, result);
 119                 }
 120
 121                 // MD2 ("abcdefghijklmnopqrstuvwxyz") = 4e8ddff3650292ab5a4108c3aa47940b
 122                 [Test]
 123                 public void RFC1319_Test5 ()
 124                 {
 125                         string className = hash.ToString ();
 126                         byte[] result = { 0x4e, 0x8d, 0xdf, 0xf3, 0x65, 0x02, 0x92, 0xab, 0x5a, 0x41, 0x08, 0xc3, 0xaa, 0x47, 0x94, 0x0b };
 127                         byte[] input = Encoding.Default.GetBytes ("abcdefghijklmnopqrstuvwxyz");
 128
 129                         string testName = className + " 5";
 130                         RFC1319_a (testName, hash, input, result);
 131                         RFC1319_b (testName, hash, input, result);
 132                         RFC1319_c (testName, hash, input, result);
 133                         RFC1319_d (testName, hash, input, result);
 134                         RFC1319_e (testName, hash, input, result);
 135                 }
 136
 137                 // MD2 ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789") =
 138                 //      da33def2a42df13975352846c30338cd
 139                 [Test]
 140                 public void RFC1319_Test6 ()
 141                 {
 142                         string className = hash.ToString ();
 143                         byte[] result = { 0xda, 0x33, 0xde, 0xf2, 0xa4, 0x2d, 0xf1, 0x39, 0x75, 0x35, 0x28, 0x46, 0xc3, 0x03, 0x38, 0xcd };
 144                         byte[] input = Encoding.Default.GetBytes ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
 145
 146                         string testName = className + " 6";
 147                         RFC1319_a (testName, hash, input, result);
 148                         RFC1319_b (testName, hash, input, result);
 149                         RFC1319_c (testName, hash, input, result);
 150                         RFC1319_d (testName, hash, input, result);
 151                         RFC1319_e (testName, hash, input, result);
 152                 }
 153
 154                 // MD2 ("123456789012345678901234567890123456789012345678901234567890123456
 155                 //      78901234567890") = d5976f79d83d3a0dc9806c3c66f3efd8
 156                 [Test]
 157                 public void RFC1319_Test7 ()
 158                 {
 159                         string className = hash.ToString ();
 160                         byte[] result = { 0xd5, 0x97, 0x6f, 0x79, 0xd8, 0x3d, 0x3a, 0x0d, 0xc9, 0x80, 0x6c, 0x3c, 0x66, 0xf3, 0xef, 0xd8 };
 161                         byte[] input = Encoding.Default.GetBytes ("12345678901234567890123456789012345678901234567890123456789012345678901234567890");
 162
 163                         string testName = className + " 7";
 164                         RFC1319_a (testName, hash, input, result);
 165                         RFC1319_b (testName, hash, input, result);
 166                         RFC1319_c (testName, hash, input, result);
 167                         RFC1319_d (testName, hash, input, result);
 168                         RFC1319_e (testName, hash, input, result);
 169                 }
 170
 171                 public void RFC1319_a (string testName, MD2 hash, byte[] input, byte[] result)
 172                 {
 173                         byte[] output = hash.ComputeHash (input);
 174                         AssertEquals (testName + ".a.1", result, output);
 175                         AssertEquals (testName + ".a.2", result, hash.Hash);
 176                         // required or next operation will still return old hash
 177                         hash.Initialize ();
 178                 }
 179
 180                 public void RFC1319_b (string testName, MD2 hash, byte[] input, byte[] result)
 181                 {
 182                         byte[] output = hash.ComputeHash (input, 0, input.Length);
 183                         AssertEquals (testName + ".b.1", result, output);
 184                         AssertEquals (testName + ".b.2", result, hash.Hash);
 185                         // required or next operation will still return old hash
 186                         hash.Initialize ();
 187                 }
 188
 189                 public void RFC1319_c (string testName, MD2 hash, byte[] input, byte[] result)
 190                 {
 191                         MemoryStream ms = new MemoryStream (input);
 192                         byte[] output = hash.ComputeHash (ms);
 193                         AssertEquals (testName + ".c.1", result, output);
 194                         AssertEquals (testName + ".c.2", result, hash.Hash);
 195                         // required or next operation will still return old hash
 196                         hash.Initialize ();
 197                 }
 198
 199                 public void RFC1319_d (string testName, MD2 hash, byte[] input, byte[] result)
 200                 {
 201                         byte[] output = hash.TransformFinalBlock (input, 0, input.Length);
 202                         AssertEquals (testName + ".d.1", input, output);
 203                         AssertEquals (testName + ".d.2", result, hash.Hash);
 204                         // required or next operation will still return old hash
 205                         hash.Initialize ();
 206                 }
 207
 208                 public void RFC1319_e (string testName, MD2 hash, byte[] input, byte[] result)
 209                 {
 210                         byte[] copy = new byte [input.Length];
 211                         for (int i=0; i < input.Length - 1; i++)
 212                                 hash.TransformBlock (input, i, 1, copy, i);
 213                         byte[] output = hash.TransformFinalBlock (input, input.Length - 1, 1);
 214                         AssertEquals (testName + ".e.1", input [input.Length - 1], output [0]);
 215                         AssertEquals (testName + ".e.2", result, hash.Hash);
 216                         // required or next operation will still return old hash
 217                         hash.Initialize ();
 218                 }
 219
 220                 // none of those values changes for any implementation of MD2
 221                 [Test]
 222                 public virtual void StaticInfo ()
 223                 {
 224                         string className = hash.ToString ();
 225                         AssertEquals (className + ".HashSize", 128, hash.HashSize);
 226                         AssertEquals (className + ".InputBlockSize", 1, hash.InputBlockSize);
 227                         AssertEquals (className + ".OutputBlockSize", 1, hash.OutputBlockSize);
 228                 }
 229
 230                 [Test]
 231                 public virtual void Create ()
 232                 {
 233                         // create the default implementation
 234                         HashAlgorithm h = MD2.Create ();
 235                         Assert ("MD2Managed", (h is MD2Managed));
 236                         // Note: will fail is default is changed in machine.config
 237                 }
 238         }
 239 }