2 // MD5Test.cs - NUnit Test Cases for MD5 (RFC1321)
5 // Sebastien Pouliot (spouliot@motus.com)
7 // (C) 2002 Motus Technologies Inc. (http://www.motus.com)
12 using System
.Security
.Cryptography
;
15 using Mono
.Security
.Cryptography
;
16 using NUnit
.Framework
;
18 namespace MonoTests
.Security
.Cryptography
{
21 // a. The MD5 Message-Digest Algorithm
22 // http://www.ietf.org/rfc/RFC1321.txt
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
{
30 // because most crypto stuff works with byte[] buffers
31 static public void AssertEquals (string msg
, byte[] array1
, byte[] array2
)
33 if ((array1
== null) && (array2
== null))
36 Assert
.Fail (msg
+ " -> First array is NULL");
38 Assert
.Fail (msg
+ " -> Second array is NULL");
40 bool a
= (array1
.Length
== array2
.Length
);
42 for (int i
= 0; i
< array1
.Length
; i
++) {
43 if (array1
[i
] != array2
[i
]) {
49 if (array1
.Length
> 0) {
50 msg
+= " -> Expected " + BitConverter
.ToString (array1
, 0);
51 msg
+= " is different than " + BitConverter
.ToString (array2
, 0);
53 Assert
.IsTrue (a
, msg
);
56 // MD5 ("") = d41d8cd98f00b204e9800998ecf8427e
58 public void RFC1321_Test1 ()
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];
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);
72 // MD5 ("a") = 0cc175b9c0f1b6a831c399e269772661
74 public void RFC1321_Test2 ()
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");
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
);
88 // MD5 ("abc") = 900150983cd24fb0d6963f7d28e17f72
90 public void RFC1321_Test3 ()
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");
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
);
104 // MD5 ("message digest") = f96b697d7cb7938d525a2f31aaf161d0
106 public void RFC1321_Test4 ()
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");
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
);
120 // MD5 ("abcdefghijklmnopqrstuvwxyz") = c3fcd3d76192e4007dfb496cca67e13b
122 public void RFC1321_Test5 ()
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");
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
);
136 // MD5 ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789") =
137 // d174ab98d277d9f5a5611c2c9f419d9f
139 public void RFC1321_Test6 ()
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");
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
);
153 // MD5 ("123456789012345678901234567890123456789012345678901234567890123456
154 // 78901234567890") = 57edf4a22be3c955ac49da2e2107b67a
156 public void RFC1321_Test7 ()
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");
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
);
170 public void RFC1321_a (string testName
, MD5 hash
, byte[] input
, byte[] result
)
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
179 public void RFC1321_b (string testName
, MD5 hash
, byte[] input
, byte[] result
)
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
188 public void RFC1321_c (string testName
, MD5 hash
, byte[] input
, byte[] result
)
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
198 public void RFC1321_d (string testName
, MD5 hash
, byte[] input
, byte[] result
)
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
207 public void RFC1321_e (string testName
, MD5 hash
, byte[] input
, byte[] result
)
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 Assert
.AreEqual (input
[input
.Length
- 1], output
[0], testName
+ ".e.1");
214 AssertEquals (testName
+ ".e.2", result
, hash
.Hash
);
215 // required or next operation will still return old hash
219 // none of those values changes for any implementation of MD5
220 public virtual void StaticInfo ()
222 string className
= hash
.ToString ();
223 Assert
.AreEqual (128, hash
.HashSize
, className
+ ".HashSize");
224 Assert
.AreEqual (1, hash
.InputBlockSize
, className
+ ".InputBlockSize");
225 Assert
.AreEqual (1, hash
.OutputBlockSize
, className
+ ".OutputBlockSize");