mcs/class/Mono.Security/Test/Mono.Security.Cryptography/MD4Test.cs

   1 //
   2 // MD4Test.cs - NUnit Test Cases for MD4 (RFC1320)
   3 //
   4 // Author:
   5 //      Sebastien Pouliot (spouliot@motus.com)
   6 //
   7 // (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
   8 //
   9
  10 using NUnit.Framework;
  11 using System;
  12 using System.IO;
  13 using Mono.Security.Cryptography;
  14 using System.Text;
  15
  16 namespace MonoTests.Mono.Security.Cryptography {
  17
  18         // References:
  19         // a.   The MD4 Message-Digest Algorithm
  20         //      http://www.ietf.org/rfc/RFC1320.txt
  21
  22         // MD4 is a abstract class - so ALL of the test included here wont be tested
  23         // on the abstract class but should be tested in ALL its descendants.
  24         public class MD4Test : Assertion {
  25
  26                 protected MD4 hash;
  27
  28                 // because most crypto stuff works with byte[] buffers
  29                 static public void AssertEquals (string msg, byte[] array1, byte[] array2)
  30                 {
  31                         if ((array1 == null) && (array2 == null))
  32                                 return;
  33                         if (array1 == null)
  34                                 Assertion.Fail (msg + " -> First array is NULL");
  35                         if (array2 == null)
  36                                 Assertion.Fail (msg + " -> Second array is NULL");
  37
  38                         bool a = (array1.Length == array2.Length);
  39                         if (a) {
  40                                 for (int i = 0; i < array1.Length; i++) {
  41                                         if (array1 [i] != array2 [i]) {
  42                                                 a = false;
  43                                                 break;
  44                                         }
  45                                 }
  46                         }
  47                         if (array1.Length > 0) {
  48                                 msg += " -> Expected " + BitConverter.ToString (array1, 0);
  49                                 msg += " is different than " + BitConverter.ToString (array2, 0);
  50                         }
  51                         Assertion.Assert (msg, a);
  52                 }
  53
  54                 // MD4 ("") = 31d6cfe0d16ae931b73c59d7e0c089c0
  55                 [Test]
  56                 public void RFC1320_Test1 ()
  57                 {
  58                         string className = hash.ToString ();
  59                         byte[] result = { 0x31, 0xd6, 0xcf, 0xe0, 0xd1, 0x6a, 0xe9, 0x31, 0xb7, 0x3c, 0x59, 0xd7, 0xe0, 0xc0, 0x89, 0xc0 };
  60                         byte[] input = new byte [0];
  61
  62                         string testName = className + " 1";
  63                         RFC1320_a (testName, hash, input, result);
  64                         RFC1320_b (testName, hash, input, result);
  65                         RFC1320_c (testName, hash, input, result);
  66                         RFC1320_d (testName, hash, input, result);
  67                         // N/A RFC1320_e (testName, hash, input, result);
  68                 }
  69
  70                 // MD4 ("a") = bde52cb31de33e46245e05fbdbd6fb24
  71                 [Test]
  72                 public void RFC1320_Test2 ()
  73                 {
  74                         string className = hash.ToString ();
  75                         byte[] result = { 0xbd, 0xe5, 0x2c, 0xb3, 0x1d, 0xe3, 0x3e, 0x46, 0x24, 0x5e, 0x05, 0xfb, 0xdb, 0xd6, 0xfb, 0x24 };
  76                         byte[] input = Encoding.Default.GetBytes ("a");
  77
  78                         string testName = className + " 2";
  79                         RFC1320_a (testName, hash, input, result);
  80                         RFC1320_b (testName, hash, input, result);
  81                         RFC1320_c (testName, hash, input, result);
  82                         RFC1320_d (testName, hash, input, result);
  83                         RFC1320_e (testName, hash, input, result);
  84                 }
  85
  86                 // MD4 ("abc") = a448017aaf21d8525fc10ae87aa6729d
  87                 [Test]
  88                 public void RFC1320_Test3 ()
  89                 {
  90                         string className = hash.ToString ();
  91                         byte[] result = { 0xa4, 0x48, 0x01, 0x7a, 0xaf, 0x21, 0xd8, 0x52, 0x5f, 0xc1, 0x0a, 0xe8, 0x7a, 0xa6, 0x72, 0x9d };
  92                         byte[] input = Encoding.Default.GetBytes ("abc");
  93
  94                         string testName = className + " 3";
  95                         RFC1320_a (testName, hash, input, result);
  96                         RFC1320_b (testName, hash, input, result);
  97                         RFC1320_c (testName, hash, input, result);
  98                         RFC1320_d (testName, hash, input, result);
  99                         RFC1320_e (testName, hash, input, result);
 100                 }
 101
 102                 // MD4 ("message digest") = d9130a8164549fe818874806e1c7014b
 103                 [Test]
 104                 public void RFC1320_Test4 ()
 105                 {
 106                         string className = hash.ToString ();
 107                         byte[] result = { 0xd9, 0x13, 0x0a, 0x81, 0x64, 0x54, 0x9f, 0xe8, 0x18, 0x87, 0x48, 0x06, 0xe1, 0xc7, 0x01, 0x4b };
 108                         byte[] input = Encoding.Default.GetBytes ("message digest");
 109
 110                         string testName = className + " 4";
 111                         RFC1320_a (testName, hash, input, result);
 112                         RFC1320_b (testName, hash, input, result);
 113                         RFC1320_c (testName, hash, input, result);
 114                         RFC1320_d (testName, hash, input, result);
 115                         RFC1320_e (testName, hash, input, result);
 116                 }
 117
 118                 // MD4 ("abcdefghijklmnopqrstuvwxyz") = d79e1c308aa5bbcdeea8ed63df412da9
 119                 [Test]
 120                 public void RFC1320_Test5 ()
 121                 {
 122                         string className = hash.ToString ();
 123                         byte[] result = { 0xd7, 0x9e, 0x1c, 0x30, 0x8a, 0xa5, 0xbb, 0xcd, 0xee, 0xa8, 0xed, 0x63, 0xdf, 0x41, 0x2d, 0xa9 };
 124                         byte[] input = Encoding.Default.GetBytes ("abcdefghijklmnopqrstuvwxyz");
 125
 126                         string testName = className + " 5";
 127                         RFC1320_a (testName, hash, input, result);
 128                         RFC1320_b (testName, hash, input, result);
 129                         RFC1320_c (testName, hash, input, result);
 130                         RFC1320_d (testName, hash, input, result);
 131                         RFC1320_e (testName, hash, input, result);
 132                 }
 133
 134                 // MD4 ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789") =
 135                 //      043f8582f241db351ce627e153e7f0e4
 136                 [Test]
 137                 public void RFC1320_Test6 ()
 138                 {
 139                         string className = hash.ToString ();
 140                         byte[] result = { 0x04, 0x3f, 0x85, 0x82, 0xf2, 0x41, 0xdb, 0x35, 0x1c, 0xe6, 0x27, 0xe1, 0x53, 0xe7, 0xf0, 0xe4 };
 141                         byte[] input = Encoding.Default.GetBytes ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
 142
 143                         string testName = className + " 6";
 144                         RFC1320_a (testName, hash, input, result);
 145                         RFC1320_b (testName, hash, input, result);
 146                         RFC1320_c (testName, hash, input, result);
 147                         RFC1320_d (testName, hash, input, result);
 148                         RFC1320_e (testName, hash, input, result);
 149                 }
 150
 151                 // MD4 ("123456789012345678901234567890123456789012345678901234567890123456
 152                 //      78901234567890") = e33b4ddc9c38f2199c3e7b164fcc0536
 153                 [Test]
 154                 public void RFC1320_Test7 ()
 155                 {
 156                         string className = hash.ToString ();
 157                         byte[] result = { 0xe3, 0x3b, 0x4d, 0xdc, 0x9c, 0x38, 0xf2, 0x19, 0x9c, 0x3e, 0x7b, 0x16, 0x4f, 0xcc, 0x05, 0x36 };
 158                         byte[] input = Encoding.Default.GetBytes ("12345678901234567890123456789012345678901234567890123456789012345678901234567890");
 159
 160                         string testName = className + " 7";
 161                         RFC1320_a (testName, hash, input, result);
 162                         RFC1320_b (testName, hash, input, result);
 163                         RFC1320_c (testName, hash, input, result);
 164                         RFC1320_d (testName, hash, input, result);
 165                         RFC1320_e (testName, hash, input, result);
 166                 }
 167
 168                 public void RFC1320_a (string testName, MD4 hash, byte[] input, byte[] result)
 169                 {
 170                         byte[] output = hash.ComputeHash (input);
 171                         AssertEquals (testName + ".a.1", result, output);
 172                         AssertEquals (testName + ".a.2", result, hash.Hash);
 173                         // required or next operation will still return old hash
 174                         hash.Initialize ();
 175                 }
 176
 177                 public void RFC1320_b (string testName, MD4 hash, byte[] input, byte[] result)
 178                 {
 179                         byte[] output = hash.ComputeHash (input, 0, input.Length);
 180                         AssertEquals (testName + ".b.1", result, output);
 181                         AssertEquals (testName + ".b.2", result, hash.Hash);
 182                         // required or next operation will still return old hash
 183                         hash.Initialize ();
 184                 }
 185
 186                 public void RFC1320_c (string testName, MD4 hash, byte[] input, byte[] result)
 187                 {
 188                         MemoryStream ms = new MemoryStream (input);
 189                         byte[] output = hash.ComputeHash (ms);
 190                         AssertEquals (testName + ".c.1", result, output);
 191                         AssertEquals (testName + ".c.2", result, hash.Hash);
 192                         // required or next operation will still return old hash
 193                         hash.Initialize ();
 194                 }
 195
 196                 public void RFC1320_d (string testName, MD4 hash, byte[] input, byte[] result)
 197                 {
 198                         byte[] output = hash.TransformFinalBlock (input, 0, input.Length);
 199                         AssertEquals (testName + ".d.1", input, output);
 200                         AssertEquals (testName + ".d.2", result, hash.Hash);
 201                         // required or next operation will still return old hash
 202                         hash.Initialize ();
 203                 }
 204
 205                 public void RFC1320_e (string testName, MD4 hash, byte[] input, byte[] result)
 206                 {
 207                         byte[] copy = new byte [input.Length];
 208                         for (int i=0; i < input.Length - 1; i++)
 209                                 hash.TransformBlock (input, i, 1, copy, i);
 210                         byte[] output = hash.TransformFinalBlock (input, input.Length - 1, 1);
 211                         TestCase.AssertEquals (testName + ".e.1", input [input.Length - 1], output [0]);
 212                         AssertEquals (testName + ".e.2", result, hash.Hash);
 213                         // required or next operation will still return old hash
 214                         hash.Initialize ();
 215                 }
 216
 217                 // none of those values changes for any implementation of MD4
 218                 public virtual void StaticInfo ()
 219                 {
 220                         string className = hash.ToString ();
 221                         TestCase.AssertEquals (className + ".HashSize", 128, hash.HashSize);
 222                         TestCase.AssertEquals (className + ".InputBlockSize", 1, hash.InputBlockSize);
 223                         TestCase.AssertEquals (className + ".OutputBlockSize", 1, hash.OutputBlockSize);
 224                 }
 225         }
 226 }