--- /dev/null
+//
+// MACTripleDESTest.cs - NUnit Test Cases for MACTripleDES
+//
+// Author:
+// Sebastien Pouliot (spouliot@motus.com)
+//
+// (C) 2002 Motus Technologies Inc. (http://www.motus.com)
+//
+
+using NUnit.Framework;
+using System;
+using System.IO;
+using System.Security.Cryptography;
+
+namespace MonoTests.System.Security.Cryptography {
+
+public class MACTripleDESTest : TestCase {
+
+ protected MACTripleDES algo;
+
+ private static byte[] key1 = { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef };
+ private static byte[] key2 = { 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0x01 };
+ private static byte[] key3 = { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef };
+
+ protected override void SetUp () {}
+
+ protected override void TearDown () {}
+
+ public void AssertEquals (string msg, byte[] array1, byte[] array2)
+ {
+ AllTests.AssertEquals (msg, array1, array2);
+ }
+
+ protected byte[] CombineKeys (byte[] key1, byte[] key2, byte[] key3)
+ {
+ int k1l = key1.Length;
+ int k2l = key2.Length;
+ int k3l = key3.Length;
+ byte[] key = new byte [k1l + k2l + k3l];
+ Array.Copy (key1, 0, key, 0, k1l);
+ Array.Copy (key2, 0, key, k1l, k2l);
+ Array.Copy (key3, 0, key, k1l + k2l, k3l);
+ return key;
+ }
+
+ public void TestInvariants ()
+ {
+ algo = new MACTripleDES ();
+ AssertEquals ("MACTripleDES.CanReuseTransform", true, algo.CanReuseTransform);
+ AssertEquals ("MACTripleDES.CanTransformMultipleBlocks", true, algo.CanTransformMultipleBlocks);
+ AssertEquals ("MACTripleDES.HashSize", 64, algo.HashSize);
+ AssertEquals ("MACTripleDES.InputBlockSize", 1, algo.InputBlockSize);
+ AssertEquals ("MACTripleDES.OutputBlockSize", 1, algo.OutputBlockSize);
+ AssertEquals ("MACTripleDES.ToString()", "System.Security.Cryptography.MACTripleDES", algo.ToString ());
+ AssertNotNull ("MACTripleDES.Key", algo.Key);
+ }
+
+ public void TestExceptions ()
+ {
+ byte[] key = CombineKeys (key1, key2, key3);
+ try {
+ algo = new MACTripleDES ("DES", key);
+ Fail ("Expected InvalidCastException but got none");
+ }
+ catch (InvalidCastException) {
+ // do nothing, this is what we expect
+ }
+ catch (Exception e) {
+ Fail ("Expected InvalidCastException but got " + e.ToString ());
+ }
+
+ algo = new MACTripleDES (key);
+ algo.Clear ();
+ try {
+ algo.ComputeHash (new byte[1]);
+ Fail ("Expected ObjectDisposedException but got none");
+ }
+ catch (ObjectDisposedException) {
+ // do nothing, this is what we expect
+ }
+ catch (Exception e) {
+ Fail ("Expected ObjectDisposedException but got " + e.ToString ());
+ }
+ }
+
+ public void Check (string testName, byte[] key, byte[] data, byte[] result)
+ {
+ string classTestName = "MACTripleDES-" + testName;
+ CheckA (testName, key, data, result);
+ CheckB (testName, key, data, result);
+ CheckC (testName, key, data, result);
+ CheckD (testName, key, data, result);
+ CheckE (testName, key, data, result);
+ }
+
+ // - Test constructor #1 ()
+ // - Test ComputeHash (byte[]);
+ public void CheckA (string testName, byte[] key, byte[] data, byte[] result)
+ {
+ algo = new MACTripleDES ();
+ algo.Key = key;
+ byte[] hmac = algo.ComputeHash (data);
+ AssertEquals (testName + "a1", result, hmac);
+ AssertEquals (testName + "a2", result, algo.Hash);
+ }
+
+ // - Test constructor #2 (byte[])
+ // - Test ComputeHash (byte[], int, int);
+ public void CheckB (string testName, byte[] key, byte[] data, byte[] result)
+ {
+ algo = new MACTripleDES (key);
+ byte[] hmac = algo.ComputeHash (data, 0, data.Length);
+ AssertEquals (testName + "b1", result, hmac);
+ AssertEquals (testName + "b2", result, algo.Hash);
+ }
+
+ // - Test constructor #3 (string, byte[])
+ // - Test ComputeHash (stream);
+ public void CheckC (string testName, byte[] key, byte[] data, byte[] result)
+ {
+ algo = new MACTripleDES ("TripleDES", key);
+ algo.Key = key;
+ MemoryStream ms = new MemoryStream (data);
+ byte[] hmac = algo.ComputeHash (ms);
+ AssertEquals (testName + "c1", result, hmac);
+ AssertEquals (testName + "c2", result, algo.Hash);
+ }
+
+ // - Test TransformFinalBlock - alone;
+ public void CheckD (string testName, byte[] key, byte[] data, byte[] result)
+ {
+ algo = new MACTripleDES ();
+ algo.Key = key;
+ // LAMESPEC or FIXME: TransformFinalBlock doesn't return HashValue !
+ algo.TransformFinalBlock (data, 0, data.Length);
+ AssertEquals (testName + "d", result, algo.Hash);
+ }
+
+ // - Test TransformBlock/TransformFinalBlock
+ public void CheckE (string testName, byte[] key, byte[] data, byte[] result)
+ {
+ algo = new MACTripleDES ();
+ algo.Key = key;
+ byte[] copy = new byte [data.Length];
+ // LAMESPEC or FIXME: TransformFinalBlock doesn't return HashValue !
+ for (int i=0; i < data.Length - 1; i++)
+ algo.TransformBlock (data, i, 1, copy, i);
+ algo.TransformFinalBlock (data, data.Length - 1, 1);
+ AssertEquals (testName + "e", result, algo.Hash);
+ }
+
+ // Here data is smaller than the 3DES block size (8 bytes)
+ public void Test_A1 ()
+ {
+ byte[] key = CombineKeys (key1, key2, key3);
+ byte[] expected = { 0x86, 0xE9, 0x65, 0xBD, 0x1E, 0xC4, 0x44, 0x61 };
+ byte[] data = new byte [7];
+ Check ("3DESMAC-A1", key, data, expected);
+ }
+
+ // Here data is exactly one 3DES block size (8 bytes)
+ public void Test_A2 ()
+ {
+ byte[] key = CombineKeys (key1, key2, key3);
+ byte[] expected = { 0x23, 0xD6, 0x92, 0xA0, 0x80, 0x6E, 0xC9, 0x30 };
+ byte[] data = new byte [8];
+ Check ("3DESMAC-A2", key, data, expected);
+ }
+
+ // Here data is more then one 3DES block size (8 bytes)
+ public void Test_A3 ()
+ {
+ byte[] key = CombineKeys (key1, key2, key3);
+ // note: same result as A2 because of the Zero padding (and that
+ // we use zeros as data
+ byte[] expected = { 0x23, 0xD6, 0x92, 0xA0, 0x80, 0x6E, 0xC9, 0x30 };
+ byte[] data = new byte [14];
+ Check ("3DESMAC-A3", key, data, expected);
+ }
+
+ // Here data is a multiple of 3DES block size (8 bytes)
+ public void Test_A4 ()
+ {
+ byte[] key = CombineKeys (key1, key2, key3);
+ byte[] expected = { 0xD6, 0x6D, 0x75, 0xD4, 0x75, 0xF1, 0x01, 0x71 };
+ byte[] data = new byte [48];
+ Check ("3DESMAC-A4", key, data, expected);
+ }
+}
+
+}
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