250 lines
8.4 KiB
C#
250 lines
8.4 KiB
C#
//
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// MD2Test.cs - NUnit Test Cases for MD2 (RFC1319)
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//
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// Author:
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// Sebastien Pouliot (sebastien@ximian.com)
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//
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// (C) 2002 Motus Technologies Inc. (http://www.motus.com)
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// (C) 2004 Novell (http://www.novell.com)
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//
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using System;
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using System.IO;
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using System.Security.Cryptography;
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using System.Text;
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using Mono.Security.Cryptography;
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using NUnit.Framework;
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namespace MonoTests.Mono.Security.Cryptography {
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// References:
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// a. The MD2 Message-Digest Algorithm
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// http://www.ietf.org/rfc/rfc1319.txt
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// MD2 is a abstract class - so ALL of the test included here wont be tested
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// on the abstract class but should be tested in ALL its descendants.
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public abstract class MD2Test {
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protected MD2 hash;
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static void Fail (string msg)
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{
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Assert.Fail (msg);
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}
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static void AssertEquals (string msg, int expected, int actual)
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{
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Assert.AreEqual (expected, actual, msg);
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}
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// because most crypto stuff works with byte[] buffers
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static public void AssertEquals (string msg, byte[] array1, byte[] array2)
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{
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if ((array1 == null) && (array2 == null))
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return;
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if (array1 == null)
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Fail (msg + " -> First array is NULL");
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if (array2 == null)
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Fail (msg + " -> Second array is NULL");
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bool a = (array1.Length == array2.Length);
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if (a) {
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for (int i = 0; i < array1.Length; i++) {
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if (array1 [i] != array2 [i]) {
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a = false;
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break;
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}
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}
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}
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if (array1.Length > 0) {
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msg += " -> Expected " + BitConverter.ToString (array1, 0);
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msg += " is different than " + BitConverter.ToString (array2, 0);
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}
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Assert.IsTrue (a, msg);
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}
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// MD2 ("") = 8350e5a3e24c153df2275c9f80692773
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[Test]
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public void RFC1319_Test1 ()
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{
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string className = hash.ToString ();
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byte[] result = { 0x83, 0x50, 0xe5, 0xa3, 0xe2, 0x4c, 0x15, 0x3d, 0xf2, 0x27, 0x5c, 0x9f, 0x80, 0x69, 0x27, 0x73 };
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byte[] input = new byte [0];
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string testName = className + " 1";
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RFC1319_a (testName, hash, input, result);
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RFC1319_b (testName, hash, input, result);
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RFC1319_c (testName, hash, input, result);
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RFC1319_d (testName, hash, input, result);
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// N/A RFC1319_e (testName, hash, input, result);
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}
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// MD2 ("a") = 32ec01ec4a6dac72c0ab96fb34c0b5d1
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[Test]
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public void RFC1319_Test2 ()
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{
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string className = hash.ToString ();
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byte[] result = { 0x32, 0xec, 0x01, 0xec, 0x4a, 0x6d, 0xac, 0x72, 0xc0, 0xab, 0x96, 0xfb, 0x34, 0xc0, 0xb5, 0xd1 };
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byte[] input = Encoding.Default.GetBytes ("a");
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string testName = className + " 2";
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RFC1319_a (testName, hash, input, result);
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RFC1319_b (testName, hash, input, result);
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RFC1319_c (testName, hash, input, result);
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RFC1319_d (testName, hash, input, result);
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RFC1319_e (testName, hash, input, result);
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}
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// MD2 ("abc") = da853b0d3f88d99b30283a69e6ded6bb
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[Test]
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public void RFC1319_Test3 ()
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{
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string className = hash.ToString ();
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byte[] result = { 0xda, 0x85, 0x3b, 0x0d, 0x3f, 0x88, 0xd9, 0x9b, 0x30, 0x28, 0x3a, 0x69, 0xe6, 0xde, 0xd6, 0xbb };
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byte[] input = Encoding.Default.GetBytes ("abc");
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string testName = className + " 3";
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RFC1319_a (testName, hash, input, result);
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RFC1319_b (testName, hash, input, result);
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RFC1319_c (testName, hash, input, result);
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RFC1319_d (testName, hash, input, result);
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RFC1319_e (testName, hash, input, result);
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}
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// MD2 ("message digest") = ab4f496bfb2a530b219ff33031fe06b0
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[Test]
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public void RFC1319_Test4 ()
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{
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string className = hash.ToString ();
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byte[] result = { 0xab, 0x4f, 0x49, 0x6b, 0xfb, 0x2a, 0x53, 0x0b, 0x21, 0x9f, 0xf3, 0x30, 0x31, 0xfe, 0x06, 0xb0 };
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byte[] input = Encoding.Default.GetBytes ("message digest");
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string testName = className + " 4";
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RFC1319_a (testName, hash, input, result);
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RFC1319_b (testName, hash, input, result);
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RFC1319_c (testName, hash, input, result);
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RFC1319_d (testName, hash, input, result);
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RFC1319_e (testName, hash, input, result);
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}
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// MD2 ("abcdefghijklmnopqrstuvwxyz") = 4e8ddff3650292ab5a4108c3aa47940b
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[Test]
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public void RFC1319_Test5 ()
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{
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string className = hash.ToString ();
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byte[] result = { 0x4e, 0x8d, 0xdf, 0xf3, 0x65, 0x02, 0x92, 0xab, 0x5a, 0x41, 0x08, 0xc3, 0xaa, 0x47, 0x94, 0x0b };
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byte[] input = Encoding.Default.GetBytes ("abcdefghijklmnopqrstuvwxyz");
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string testName = className + " 5";
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RFC1319_a (testName, hash, input, result);
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RFC1319_b (testName, hash, input, result);
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RFC1319_c (testName, hash, input, result);
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RFC1319_d (testName, hash, input, result);
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RFC1319_e (testName, hash, input, result);
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}
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// MD2 ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789") =
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// da33def2a42df13975352846c30338cd
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[Test]
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public void RFC1319_Test6 ()
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{
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string className = hash.ToString ();
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byte[] result = { 0xda, 0x33, 0xde, 0xf2, 0xa4, 0x2d, 0xf1, 0x39, 0x75, 0x35, 0x28, 0x46, 0xc3, 0x03, 0x38, 0xcd };
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byte[] input = Encoding.Default.GetBytes ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
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string testName = className + " 6";
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RFC1319_a (testName, hash, input, result);
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RFC1319_b (testName, hash, input, result);
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RFC1319_c (testName, hash, input, result);
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RFC1319_d (testName, hash, input, result);
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RFC1319_e (testName, hash, input, result);
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}
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// MD2 ("123456789012345678901234567890123456789012345678901234567890123456
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// 78901234567890") = d5976f79d83d3a0dc9806c3c66f3efd8
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[Test]
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public void RFC1319_Test7 ()
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{
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string className = hash.ToString ();
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byte[] result = { 0xd5, 0x97, 0x6f, 0x79, 0xd8, 0x3d, 0x3a, 0x0d, 0xc9, 0x80, 0x6c, 0x3c, 0x66, 0xf3, 0xef, 0xd8 };
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byte[] input = Encoding.Default.GetBytes ("12345678901234567890123456789012345678901234567890123456789012345678901234567890");
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string testName = className + " 7";
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RFC1319_a (testName, hash, input, result);
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RFC1319_b (testName, hash, input, result);
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RFC1319_c (testName, hash, input, result);
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RFC1319_d (testName, hash, input, result);
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RFC1319_e (testName, hash, input, result);
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}
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public void RFC1319_a (string testName, MD2 hash, byte[] input, byte[] result)
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{
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byte[] output = hash.ComputeHash (input);
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AssertEquals (testName + ".a.1", result, output);
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AssertEquals (testName + ".a.2", result, hash.Hash);
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// required or next operation will still return old hash
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hash.Initialize ();
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}
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public void RFC1319_b (string testName, MD2 hash, byte[] input, byte[] result)
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{
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byte[] output = hash.ComputeHash (input, 0, input.Length);
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AssertEquals (testName + ".b.1", result, output);
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AssertEquals (testName + ".b.2", result, hash.Hash);
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// required or next operation will still return old hash
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hash.Initialize ();
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}
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public void RFC1319_c (string testName, MD2 hash, byte[] input, byte[] result)
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{
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MemoryStream ms = new MemoryStream (input);
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byte[] output = hash.ComputeHash (ms);
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AssertEquals (testName + ".c.1", result, output);
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AssertEquals (testName + ".c.2", result, hash.Hash);
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// required or next operation will still return old hash
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hash.Initialize ();
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}
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public void RFC1319_d (string testName, MD2 hash, byte[] input, byte[] result)
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{
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byte[] output = hash.TransformFinalBlock (input, 0, input.Length);
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AssertEquals (testName + ".d.1", input, output);
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AssertEquals (testName + ".d.2", result, hash.Hash);
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// required or next operation will still return old hash
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hash.Initialize ();
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}
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public void RFC1319_e (string testName, MD2 hash, byte[] input, byte[] result)
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{
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byte[] copy = new byte [input.Length];
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for (int i=0; i < input.Length - 1; i++)
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hash.TransformBlock (input, i, 1, copy, i);
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byte[] output = hash.TransformFinalBlock (input, input.Length - 1, 1);
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AssertEquals (testName + ".e.1", input [input.Length - 1], output [0]);
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AssertEquals (testName + ".e.2", result, hash.Hash);
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// required or next operation will still return old hash
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hash.Initialize ();
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}
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// none of those values changes for any implementation of MD2
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[Test]
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public virtual void StaticInfo ()
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{
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string className = hash.ToString ();
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AssertEquals (className + ".HashSize", 128, hash.HashSize);
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AssertEquals (className + ".InputBlockSize", 1, hash.InputBlockSize);
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AssertEquals (className + ".OutputBlockSize", 1, hash.OutputBlockSize);
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}
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[Test]
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public virtual void Create ()
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{
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// create the default implementation
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HashAlgorithm h = MD2.Create ();
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Assert.IsTrue ((h is MD2Managed), "MD2Managed");
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// Note: will fail is default is changed in machine.config
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}
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}
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}
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