mcs/class/Mono.Security.Win32/Test/Mono.Security.Cryptography/MD5Test.cs

   1 //
   2 // MD5Test.cs - NUnit Test Cases for MD5 (RFC1321)
   3 //
   4 // Author:
   5 //      Sebastien Pouliot (spouliot@motus.com)
   6 //
   7 // (C) 2002 Motus Technologies Inc. (http://www.motus.com)
   8 //
   9
  10 using System;
  11 using System.IO;
  12 using System.Security.Cryptography;
  13 using System.Text;
  14
  15 using Mono.Security.Cryptography;
  16 using NUnit.Framework;
  17
  18 namespace MonoTests.Security.Cryptography {
  19
  20 // References:
  21 // a.   The MD5 Message-Digest Algorithm
  22 //      http://www.ietf.org/rfc/RFC1321.txt
  23
  24 // MD5 is a abstract class - so ALL of the test included here wont be tested
  25 // on the abstract class but should be tested in ALL its descendants.
  26 public class MD5Test {
  27
  28         protected MD5 hash;
  29
  30         // because most crypto stuff works with byte[] buffers
  31         static public void AssertEquals (string msg, byte[] array1, byte[] array2)
  32         {
  33                 if ((array1 == null) && (array2 == null))
  34                         return;
  35                 if (array1 == null)
  36                         Assertion.Fail (msg + " -> First array is NULL");
  37                 if (array2 == null)
  38                         Assertion.Fail (msg + " -> Second array is NULL");
  39
  40                 bool a = (array1.Length == array2.Length);
  41                 if (a) {
  42                         for (int i = 0; i < array1.Length; i++) {
  43                                 if (array1 [i] != array2 [i]) {
  44                                         a = false;
  45                                         break;
  46                                 }
  47                         }
  48                 }
  49                 if (array1.Length > 0) {
  50                         msg += " -> Expected " + BitConverter.ToString (array1, 0);
  51                         msg += " is different than " + BitConverter.ToString (array2, 0);
  52                 }
  53                 Assertion.Assert (msg, a);
  54         }
  55
  56         // MD5 ("") = d41d8cd98f00b204e9800998ecf8427e
  57         [Test]
  58         public void RFC1321_Test1 ()
  59         {
  60                 string className = hash.ToString ();
  61                 byte[] result = { 0xd4, 0x1d, 0x8c, 0xd9, 0x8f, 0x00, 0xb2, 0x04, 0xe9, 0x80, 0x09, 0x98, 0xec, 0xf8, 0x42, 0x7e };
  62                 byte[] input = new byte [0];
  63
  64                 string testName = className + " 1";
  65                 RFC1321_a (testName, hash, input, result);
  66                 RFC1321_b (testName, hash, input, result);
  67                 RFC1321_c (testName, hash, input, result);
  68                 RFC1321_d (testName, hash, input, result);
  69                 // N/A RFC1321_e (testName, hash, input, result);
  70         }
  71
  72         // MD5 ("a") = 0cc175b9c0f1b6a831c399e269772661
  73         [Test]
  74         public void RFC1321_Test2 ()
  75         {
  76                 string className = hash.ToString ();
  77                 byte[] result = { 0x0c, 0xc1, 0x75, 0xb9, 0xc0, 0xf1, 0xb6, 0xa8, 0x31, 0xc3, 0x99, 0xe2, 0x69, 0x77, 0x26, 0x61 };
  78                 byte[] input = Encoding.Default.GetBytes ("a");
  79
  80                 string testName = className + " 2";
  81                 RFC1321_a (testName, hash, input, result);
  82                 RFC1321_b (testName, hash, input, result);
  83                 RFC1321_c (testName, hash, input, result);
  84                 RFC1321_d (testName, hash, input, result);
  85                 RFC1321_e (testName, hash, input, result);
  86         }
  87
  88         // MD5 ("abc") = 900150983cd24fb0d6963f7d28e17f72
  89         [Test]
  90         public void RFC1321_Test3 ()
  91         {
  92                 string className = hash.ToString ();
  93                 byte[] result = { 0x90, 0x01, 0x50, 0x98, 0x3c, 0xd2, 0x4f, 0xb0, 0xd6, 0x96, 0x3f, 0x7d, 0x28, 0xe1, 0x7f, 0x72 };
  94                 byte[] input = Encoding.Default.GetBytes ("abc");
  95
  96                 string testName = className + " 3";
  97                 RFC1321_a (testName, hash, input, result);
  98                 RFC1321_b (testName, hash, input, result);
  99                 RFC1321_c (testName, hash, input, result);
 100                 RFC1321_d (testName, hash, input, result);
 101                 RFC1321_e (testName, hash, input, result);
 102         }
 103
 104         // MD5 ("message digest") = f96b697d7cb7938d525a2f31aaf161d0
 105         [Test]
 106         public void RFC1321_Test4 ()
 107         {
 108                 string className = hash.ToString ();
 109                 byte[] result = { 0xf9, 0x6b, 0x69, 0x7d, 0x7c, 0xb7, 0x93, 0x8d, 0x52, 0x5a, 0x2f, 0x31, 0xaa, 0xf1, 0x61, 0xd0 };
 110                 byte[] input = Encoding.Default.GetBytes ("message digest");
 111
 112                 string testName = className + " 4";
 113                 RFC1321_a (testName, hash, input, result);
 114                 RFC1321_b (testName, hash, input, result);
 115                 RFC1321_c (testName, hash, input, result);
 116                 RFC1321_d (testName, hash, input, result);
 117                 RFC1321_e (testName, hash, input, result);
 118         }
 119
 120         // MD5 ("abcdefghijklmnopqrstuvwxyz") = c3fcd3d76192e4007dfb496cca67e13b
 121         [Test]
 122         public void RFC1321_Test5 ()
 123         {
 124                 string className = hash.ToString ();
 125                 byte[] result = { 0xc3, 0xfc, 0xd3, 0xd7, 0x61, 0x92, 0xe4, 0x00, 0x7d, 0xfb, 0x49, 0x6c, 0xca, 0x67, 0xe1, 0x3b };
 126                 byte[] input = Encoding.Default.GetBytes ("abcdefghijklmnopqrstuvwxyz");
 127
 128                 string testName = className + " 5";
 129                 RFC1321_a (testName, hash, input, result);
 130                 RFC1321_b (testName, hash, input, result);
 131                 RFC1321_c (testName, hash, input, result);
 132                 RFC1321_d (testName, hash, input, result);
 133                 RFC1321_e (testName, hash, input, result);
 134         }
 135
 136         // MD5 ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789") =
 137         //      d174ab98d277d9f5a5611c2c9f419d9f
 138         [Test]
 139         public void RFC1321_Test6 ()
 140         {
 141                 string className = hash.ToString ();
 142                 byte[] result = { 0xd1, 0x74, 0xab, 0x98, 0xd2, 0x77, 0xd9, 0xf5, 0xa5, 0x61, 0x1c, 0x2c, 0x9f, 0x41, 0x9d, 0x9f };
 143                 byte[] input = Encoding.Default.GetBytes ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
 144
 145                 string testName = className + " 6";
 146                 RFC1321_a (testName, hash, input, result);
 147                 RFC1321_b (testName, hash, input, result);
 148                 RFC1321_c (testName, hash, input, result);
 149                 RFC1321_d (testName, hash, input, result);
 150                 RFC1321_e (testName, hash, input, result);
 151         }
 152
 153         // MD5 ("123456789012345678901234567890123456789012345678901234567890123456
 154         //      78901234567890") = 57edf4a22be3c955ac49da2e2107b67a
 155         [Test]
 156         public void RFC1321_Test7 ()
 157         {
 158                 string className = hash.ToString ();
 159                 byte[] result = { 0x57, 0xed, 0xf4, 0xa2, 0x2b, 0xe3, 0xc9, 0x55, 0xac, 0x49, 0xda, 0x2e, 0x21, 0x07, 0xb6, 0x7a };
 160                 byte[] input = Encoding.Default.GetBytes ("12345678901234567890123456789012345678901234567890123456789012345678901234567890");
 161
 162                 string testName = className + " 7";
 163                 RFC1321_a (testName, hash, input, result);
 164                 RFC1321_b (testName, hash, input, result);
 165                 RFC1321_c (testName, hash, input, result);
 166                 RFC1321_d (testName, hash, input, result);
 167                 RFC1321_e (testName, hash, input, result);
 168         }
 169
 170         public void RFC1321_a (string testName, MD5 hash, byte[] input, byte[] result)
 171         {
 172                 byte[] output = hash.ComputeHash (input);
 173                 AssertEquals (testName + ".a.1", result, output);
 174                 AssertEquals (testName + ".a.2", result, hash.Hash);
 175                 // required or next operation will still return old hash
 176                 hash.Initialize ();
 177         }
 178
 179         public void RFC1321_b (string testName, MD5 hash, byte[] input, byte[] result)
 180         {
 181                 byte[] output = hash.ComputeHash (input, 0, input.Length);
 182                 AssertEquals (testName + ".b.1", result, output);
 183                 AssertEquals (testName + ".b.2", result, hash.Hash);
 184                 // required or next operation will still return old hash
 185                 hash.Initialize ();
 186         }
 187
 188         public void RFC1321_c (string testName, MD5 hash, byte[] input, byte[] result)
 189         {
 190                 MemoryStream ms = new MemoryStream (input);
 191                 byte[] output = hash.ComputeHash (ms);
 192                 AssertEquals (testName + ".c.1", result, output);
 193                 AssertEquals (testName + ".c.2", result, hash.Hash);
 194                 // required or next operation will still return old hash
 195                 hash.Initialize ();
 196         }
 197
 198         public void RFC1321_d (string testName, MD5 hash, byte[] input, byte[] result)
 199         {
 200                 byte[] output = hash.TransformFinalBlock (input, 0, input.Length);
 201                 AssertEquals (testName + ".d.1", input, output);
 202                 AssertEquals (testName + ".d.2", result, hash.Hash);
 203                 // required or next operation will still return old hash
 204                 hash.Initialize ();
 205         }
 206
 207         public void RFC1321_e (string testName, MD5 hash, byte[] input, byte[] result)
 208         {
 209                 byte[] copy = new byte [input.Length];
 210                 for (int i=0; i < input.Length - 1; i++)
 211                         hash.TransformBlock (input, i, 1, copy, i);
 212                 byte[] output = hash.TransformFinalBlock (input, input.Length - 1, 1);
 213                 Assertion.AssertEquals (testName + ".e.1", input [input.Length - 1], output [0]);
 214                 AssertEquals (testName + ".e.2", result, hash.Hash);
 215                 // required or next operation will still return old hash
 216                 hash.Initialize ();
 217         }
 218
 219         // none of those values changes for any implementation of MD5
 220         public virtual void StaticInfo ()
 221         {
 222                 string className = hash.ToString ();
 223                 Assertion.AssertEquals (className + ".HashSize", 128, hash.HashSize);
 224                 Assertion.AssertEquals (className + ".InputBlockSize", 1, hash.InputBlockSize);
 225                 Assertion.AssertEquals (className + ".OutputBlockSize", 1, hash.OutputBlockSize);
 226         }
 227 }
 228
 229 }