// // SHA224Test.cs - NUnit Test Cases for SHA224 // // Author: // Sebastien Pouliot // // Copyright (C) 2004 Novell, Inc (http://www.novell.com) // // Permission is hereby granted, free of charge, to any person obtaining // a copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to // permit persons to whom the Software is furnished to do so, subject to // the following conditions: // // The above copyright notice and this permission notice shall be // included in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. // using NUnit.Framework; using System; using System.IO; using System.Security.Cryptography; using System.Text; using Mono.Security.Cryptography; namespace MonoTests.System.Security.Cryptography { // References: // a. RFC 3874 - A 224-bit One-way Hash Function: SHA-224, September 2004 // http://www.faqs.org/rfc/rfc3874.txt // b. FIPS PUB 180-2: Secure Hash Standard // http://csrc.nist.gov/publications/fips/fips180-2/fip180-2.txt // SHA224 is a abstract class - so most of the test included here wont be tested // on the abstract class but should be tested in ALL its descendants. [TestFixture] public class SHA224Test { protected HashAlgorithm hash; [SetUp] public virtual void SetUp () { hash = SHA224.Create (); } internal void AssertEquals (string msg, byte[] expected, byte[] actual) { if (expected == null) { if (actual != null) { string a = BitConverter.ToString (actual); Assert.Fail (String.Format ("{0} - Expected null value but got: {1}", msg, a)); } } else if (actual == null) { string e = BitConverter.ToString (expected); Assert.Fail (String.Format ("{0} - Got null value but expected: {1}", msg, e)); } Assert.AreEqual (BitConverter.ToString (expected), BitConverter.ToString (actual), msg); } // test vectors from RFC 3874 (as NIST FIPS 186-2 hasn't yet // been officially updated for SHA224 test vectors). private string input1 = "abc"; private string input2 = "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"; public void FIPS186_Test1 (SHA224 hash) { string className = hash.ToString (); byte[] result = { 0x23, 0x09, 0x7D, 0x22, 0x34, 0x05, 0xD8, 0x22, 0x86, 0x42, 0xA4, 0x77, 0xBD, 0xA2, 0x55, 0xB3, 0x2A, 0xAD, 0xBC, 0xE4, 0xBD, 0xA0, 0xB3, 0xF7, 0xE3, 0x6C, 0x9D, 0xA7 }; byte[] input = Encoding.Default.GetBytes (input1); string testName = className + " 1"; FIPS186_a (testName, hash, input, result); FIPS186_b (testName, hash, input, result); FIPS186_c (testName, hash, input, result); FIPS186_d (testName, hash, input, result); FIPS186_e (testName, hash, input, result); } public void FIPS186_Test2 (SHA224 hash) { string className = hash.ToString (); byte[] result = { 0x75, 0x38, 0x8B, 0x16, 0x51, 0x27, 0x76, 0xCC, 0x5D, 0xBA, 0x5D, 0xA1, 0xFD, 0x89, 0x01, 0x50, 0xB0, 0xC6, 0x45, 0x5C, 0xB4, 0xF5, 0x8B, 0x19, 0x52, 0x52, 0x25, 0x25 }; byte[] input = Encoding.Default.GetBytes (input2); string testName = className + " 2"; FIPS186_a (testName, hash, input, result); FIPS186_b (testName, hash, input, result); FIPS186_c (testName, hash, input, result); FIPS186_d (testName, hash, input, result); FIPS186_e (testName, hash, input, result); } public void FIPS186_Test3 (SHA224 hash) { string className = hash.ToString (); byte [] result = { 0x20, 0x79, 0x46, 0x55, 0x98, 0x0C, 0x91, 0xD8, 0xBB, 0xB4, 0xC1, 0xEA, 0x97, 0x61, 0x8A, 0x4B, 0xF0, 0x3F, 0x42, 0x58, 0x19, 0x48, 0xB2, 0xEE, 0x4E, 0xE7, 0xAD, 0x67 }; byte[] input = new byte [1000000]; for (int i = 0; i < 1000000; i++) input[i] = 0x61; // a string testName = className + " 3"; FIPS186_a (testName, hash, input, result); FIPS186_b (testName, hash, input, result); FIPS186_c (testName, hash, input, result); FIPS186_d (testName, hash, input, result); FIPS186_e (testName, hash, input, result); } public void FIPS186_a (string testName, SHA224 hash, byte[] input, byte[] result) { byte[] output = hash.ComputeHash (input); AssertEquals (testName + ".a.1", result, output); AssertEquals (testName + ".a.2", result, hash.Hash); // required or next operation will still return old hash hash.Initialize (); } public void FIPS186_b (string testName, SHA224 hash, byte[] input, byte[] result) { byte[] output = hash.ComputeHash (input, 0, input.Length); AssertEquals (testName + ".b.1", result, output); AssertEquals (testName + ".b.2", result, hash.Hash); // required or next operation will still return old hash hash.Initialize (); } public void FIPS186_c (string testName, SHA224 hash, byte[] input, byte[] result) { MemoryStream ms = new MemoryStream (input); byte[] output = hash.ComputeHash (ms); AssertEquals (testName + ".c.1", result, output); AssertEquals (testName + ".c.2", result, hash.Hash); // required or next operation will still return old hash hash.Initialize (); } public void FIPS186_d (string testName, SHA224 hash, byte[] input, byte[] result) { hash.TransformFinalBlock (input, 0, input.Length); // Note: TransformFinalBlock doesn't return HashValue ! // AssertEquals( testName + ".d.1", result, output ); AssertEquals (testName + ".d", result, hash.Hash); // required or next operation will still return old hash hash.Initialize (); } public void FIPS186_e (string testName, SHA224 hash, byte[] input, byte[] result) { byte[] copy = new byte [input.Length]; for (int i=0; i < input.Length - 1; i++) hash.TransformBlock (input, i, 1, copy, i); hash.TransformFinalBlock (input, input.Length - 1, 1); // Note: TransformFinalBlock doesn't return HashValue ! // AssertEquals (testName + ".e.1", result, output); AssertEquals (testName + ".e", result, hash.Hash); // required or next operation will still return old hash hash.Initialize (); } [Test] public virtual void Create () { // Note: These tests will only be valid without a "machine.config" file // or a "machine.config" file that do not modify the default algorithm // configuration. // FIXME: Change namespace when (or if) classes are moved into corlib const string defaultSHA224 = "Mono.Security.Cryptography.SHA224Managed"; // try to build the default implementation SHA224 hash = SHA224.Create (); Assert.AreEqual (hash.ToString (), defaultSHA224, "SHA224.Create()"); // try to build, in every way, a SHA224 implementation hash = SHA224.Create ("SHA224"); Assert.AreEqual (hash.ToString (), defaultSHA224, "SHA224.Create('SHA224')"); hash = SHA224.Create ("SHA-224"); Assert.AreEqual (hash.ToString (), defaultSHA224, "SHA224.Create('SHA-224')"); } [Test] [ExpectedException (typeof (InvalidCastException))] public void CreateIncorrect () { // try to build an incorrect hash algorithms hash = SHA224.Create ("MD5"); } /* Uncomment when (or if) the SHA224 classes are moved into corlib [Test] public void CreateInvalid () { // try to build invalid implementation hash = SHA224.Create ("InvalidHash"); Assert.IsNull (hash, "SHA224.Create('InvalidHash')"); }*/ [Test] [ExpectedException (typeof (ArgumentNullException))] public void CreateNull () { // try to build null implementation hash = SHA224.Create (null); } // none of those values changes for any implementation of defaultSHA224 [Test] public virtual void StaticInfo () { string className = hash.ToString (); Assert.AreEqual (224, hash.HashSize, className + ".HashSize"); Assert.AreEqual (1, hash.InputBlockSize, className + ".InputBlockSize"); Assert.AreEqual (1, hash.OutputBlockSize, className + ".OutputBlockSize"); } } }