2 // SHA1Test.cs - NUnit Test Cases for SHA1
5 // Sebastien Pouliot <sebastien@ximian.com>
7 // (C) 2002 Motus Technologies Inc. (http://www.motus.com)
8 // (C) 2004 Novell http://www.novell.com
11 using NUnit.Framework;
14 using System.Security.Cryptography;
17 namespace MonoTests.System.Security.Cryptography
21 // a. FIPS PUB 180-1: Secure Hash Standard
22 // http://csrc.nist.gov/publications/fips/fips180-1/fip180-1.txt
24 // SHA1 is a abstract class - so most of the test included here wont be tested
25 // on the abstract class but should be tested in ALL its descendants.
28 public class SHA1Test : HashAlgorithmTest {
31 protected override void SetUp ()
33 hash = SHA1.Create ();
36 public new void AssertEquals (string msg, byte[] array1, byte[] array2)
38 AllTests.AssertEquals (msg, array1, array2);
41 // test vectors from NIST FIPS 186-2
43 private string input1 = "abc";
44 private string input2 = "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq";
46 public void FIPS186_Test1 (SHA1 hash)
48 string className = hash.ToString ();
49 byte[] result = { 0xa9, 0x99, 0x3e, 0x36, 0x47, 0x06, 0x81, 0x6a, 0xba, 0x3e, 0x25, 0x71, 0x78, 0x50, 0xc2, 0x6c, 0x9c, 0xd0, 0xd8, 0x9d };
50 byte[] input = Encoding.Default.GetBytes (input1);
52 string testName = className + " 1";
53 FIPS186_a (testName, hash, input, result);
54 FIPS186_b (testName, hash, input, result);
55 FIPS186_c (testName, hash, input, result);
56 FIPS186_d (testName, hash, input, result);
57 FIPS186_e (testName, hash, input, result);
60 public void FIPS186_Test2 (SHA1 hash)
62 string className = hash.ToString ();
63 byte[] result = { 0x84, 0x98, 0x3e, 0x44, 0x1c, 0x3b, 0xd2, 0x6e, 0xba, 0xae, 0x4a, 0xa1, 0xf9, 0x51, 0x29, 0xe5, 0xe5, 0x46, 0x70, 0xf1 };
64 byte[] input = Encoding.Default.GetBytes (input2);
66 string testName = className + " 2";
67 FIPS186_a (testName, hash, input, result);
68 FIPS186_b (testName, hash, input, result);
69 FIPS186_c (testName, hash, input, result);
70 FIPS186_d (testName, hash, input, result);
71 FIPS186_e (testName, hash, input, result);
74 public void FIPS186_Test3 (SHA1 hash)
76 string className = hash.ToString ();
77 byte[] result = { 0x34, 0xaa, 0x97, 0x3c, 0xd4, 0xc4, 0xda, 0xa4, 0xf6, 0x1e, 0xeb, 0x2b, 0xdb, 0xad, 0x27, 0x31, 0x65, 0x34, 0x01, 0x6f };
78 byte[] input = new byte [1000000];
79 for (int i = 0; i < 1000000; i++)
82 string testName = className + " 3";
83 FIPS186_a (testName, hash, input, result);
84 FIPS186_b (testName, hash, input, result);
85 FIPS186_c (testName, hash, input, result);
86 FIPS186_d (testName, hash, input, result);
87 FIPS186_e (testName, hash, input, result);
90 public void FIPS186_a (string testName, SHA1 hash, byte[] input, byte[] result)
92 byte[] output = hash.ComputeHash (input);
93 AssertEquals (testName + ".a.1", result, output);
94 AssertEquals (testName + ".a.2", result, hash.Hash);
95 // required or next operation will still return old hash
99 public void FIPS186_b (string testName, SHA1 hash, byte[] input, byte[] result)
101 byte[] output = hash.ComputeHash (input, 0, input.Length);
102 AssertEquals (testName + ".b.1", result, output);
103 AssertEquals (testName + ".b.2", result, hash.Hash);
104 // required or next operation will still return old hash
108 public void FIPS186_c (string testName, SHA1 hash, byte[] input, byte[] result)
110 MemoryStream ms = new MemoryStream (input);
111 byte[] output = hash.ComputeHash (ms);
112 AssertEquals (testName + ".c.1", result, output);
113 AssertEquals (testName + ".c.2", result, hash.Hash);
114 // required or next operation will still return old hash
118 public void FIPS186_d (string testName, SHA1 hash, byte[] input, byte[] result)
120 byte[] output = hash.TransformFinalBlock (input, 0, input.Length);
121 // LAMESPEC or FIXME: TransformFinalBlock doesn't return HashValue !
122 // AssertEquals( testName + ".d.1", result, output );
123 AssertEquals (testName + ".d", result, hash.Hash);
124 // required or next operation will still return old hash
128 public void FIPS186_e (string testName, SHA1 hash, byte[] input, byte[] result)
130 byte[] copy = new byte [input.Length];
131 for (int i=0; i < input.Length - 1; i++)
132 hash.TransformBlock (input, i, 1, copy, i);
133 byte[] output = hash.TransformFinalBlock (input, input.Length - 1, 1);
134 // LAMESPEC or FIXME: TransformFinalBlock doesn't return HashValue !
135 // AssertEquals (testName + ".e.1", result, output);
136 AssertEquals (testName + ".e", result, hash.Hash);
137 // required or next operation will still return old hash
142 public override void Create ()
144 // Note: These tests will only be valid without a "machine.config" file
145 // or a "machine.config" file that do not modify the default algorithm
147 const string defaultSHA1 = "System.Security.Cryptography.SHA1CryptoServiceProvider";
149 // try to build the default implementation
150 SHA1 hash = SHA1.Create ();
151 AssertEquals ("SHA1.Create()", hash.ToString (), defaultSHA1);
153 // try to build, in every way, a SHA1 implementation
154 // note that it's not possible to create an instance of SHA1Managed using the Create methods
155 hash = SHA1.Create ("SHA");
156 AssertEquals ("SHA1.Create('SHA')", hash.ToString (), defaultSHA1);
157 hash = SHA1.Create ("SHA1");
158 AssertEquals ("SHA1.Create('SHA1')", hash.ToString (), defaultSHA1);
159 hash = SHA1.Create ("System.Security.Cryptography.SHA1");
160 AssertEquals ("SHA1.Create('System.Security.Cryptography.SHA1')", hash.ToString (), defaultSHA1);
161 hash = SHA1.Create ("System.Security.Cryptography.HashAlgorithm" );
162 AssertEquals ("SHA1.Create('System.Security.Cryptography.HashAlgorithm')", hash.ToString (), defaultSHA1);
166 [ExpectedException (typeof (InvalidCastException))]
167 public void CreateIncorrect ()
169 // try to build an incorrect (existing) hash algorithms
170 hash = SHA1.Create ("MD5");
174 public void CreateUnknown ()
176 // try to build invalid (unexisting) implementation
177 hash = SHA1.Create ("InvalidHash");
178 AssertNull ("SHA1.Create('InvalidHash')", hash);
182 [ExpectedException (typeof (ArgumentNullException))]
183 public override void CreateNull ()
185 // try to build null implementation
186 hash = SHA1.Create (null);
189 // none of those values changes for any implementation of SHA1
191 public virtual void StaticInfo ()
193 string className = hash.ToString ();
194 AssertEquals (className + ".HashSize", 160, hash.HashSize);
195 AssertEquals (className + ".InputBlockSize", 1, hash.InputBlockSize);
196 AssertEquals (className + ".OutputBlockSize", 1, hash.OutputBlockSize);