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//
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// SHA1TestBase.cs - NUnit Test Cases for SHA1
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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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// Copyright (C) 2004, 2007 Novell, Inc (http://www.novell.com)
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//
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using NUnit.Framework;
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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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namespace MonoTests.System.Security.Cryptography
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{
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// References:
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// a. FIPS PUB 180-1: Secure Hash Standard
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// http://csrc.nist.gov/publications/fips/fips180-1/fip180-1.txt
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// SHA1 is a abstract class - so most 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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// we can't make this a [TestFixture] since the class is shared with System.Core
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// and causes issues in XA where these are in the same process.
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public abstract class SHA1TestBase : HashAlgorithmTestBase {
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[SetUp]
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public override void SetUp ()
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{
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hash = SHA1.Create ();
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}
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// test vectors from NIST FIPS 186-2
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private string input1 = "abc";
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private string input2 = "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq";
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public void FIPS186_Test1 (SHA1 hash)
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{
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string className = hash.ToString ();
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byte[] result = { 0xa9, 0x99, 0x3e, 0x36, 0x47, 0x06, 0x81, 0x6a, 0xba, 0x3e, 0x25, 0x71, 0x78, 0x50, 0xc2, 0x6c, 0x9c, 0xd0, 0xd8, 0x9d };
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byte[] input = Encoding.Default.GetBytes (input1);
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string testName = className + " 1";
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FIPS186_a (testName, hash, input, result);
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FIPS186_b (testName, hash, input, result);
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FIPS186_c (testName, hash, input, result);
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FIPS186_d (testName, hash, input, result);
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FIPS186_e (testName, hash, input, result);
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}
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public void FIPS186_Test2 (SHA1 hash)
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{
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string className = hash.ToString ();
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byte[] result = { 0x84, 0x98, 0x3e, 0x44, 0x1c, 0x3b, 0xd2, 0x6e, 0xba, 0xae, 0x4a, 0xa1, 0xf9, 0x51, 0x29, 0xe5, 0xe5, 0x46, 0x70, 0xf1 };
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byte[] input = Encoding.Default.GetBytes (input2);
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string testName = className + " 2";
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FIPS186_a (testName, hash, input, result);
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FIPS186_b (testName, hash, input, result);
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FIPS186_c (testName, hash, input, result);
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FIPS186_d (testName, hash, input, result);
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FIPS186_e (testName, hash, input, result);
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}
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public void FIPS186_Test3 (SHA1 hash)
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{
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string className = hash.ToString ();
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byte[] result = { 0x34, 0xaa, 0x97, 0x3c, 0xd4, 0xc4, 0xda, 0xa4, 0xf6, 0x1e, 0xeb, 0x2b, 0xdb, 0xad, 0x27, 0x31, 0x65, 0x34, 0x01, 0x6f };
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byte[] input = new byte [1000000];
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for (int i = 0; i < 1000000; i++)
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input[i] = 0x61; // a
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string testName = className + " 3";
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FIPS186_a (testName, hash, input, result);
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FIPS186_b (testName, hash, input, result);
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FIPS186_c (testName, hash, input, result);
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FIPS186_d (testName, hash, input, result);
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FIPS186_e (testName, hash, input, result);
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}
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public void FIPS186_a (string testName, SHA1 hash, byte[] input, byte[] result)
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{
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byte[] output = hash.ComputeHash (input);
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Assert.AreEqual (result, output, testName + ".a.1");
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Assert.AreEqual (result, hash.Hash, testName + ".a.2");
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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 FIPS186_b (string testName, SHA1 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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Assert.AreEqual (result, output, testName + ".b.1");
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Assert.AreEqual (result, hash.Hash, testName + ".b.2");
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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 FIPS186_c (string testName, SHA1 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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Assert.AreEqual (result, output, testName + ".c.1");
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Assert.AreEqual (result, hash.Hash, testName + ".c.2");
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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 FIPS186_d (string testName, SHA1 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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// LAMESPEC or FIXME: TransformFinalBlock doesn't return HashValue !
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// AssertEquals( testName + ".d.1", result, output );
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Assert.AreEqual (result, hash.Hash, testName + ".d");
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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 FIPS186_e (string testName, SHA1 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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// LAMESPEC or FIXME: TransformFinalBlock doesn't return HashValue !
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// AssertEquals (testName + ".e.1", result, output);
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Assert.AreEqual (result, hash.Hash, testName + ".e");
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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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[Test]
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public override void Create ()
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{
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// Note: These tests will only be valid without a "machine.config" file
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// or a "machine.config" file that do not modify the default algorithm
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// configuration.
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const string defaultSHA1 = "System.Security.Cryptography.SHA1CryptoServiceProvider";
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// try to build the default implementation
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SHA1 hash = SHA1.Create ();
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Assert.AreEqual (hash.ToString (), defaultSHA1, "SHA1.Create()");
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// try to build, in every way, a SHA1 implementation
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// note that it's not possible to create an instance of SHA1Managed using the Create methods
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hash = SHA1.Create ("SHA");
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Assert.AreEqual (hash.ToString (), defaultSHA1, "SHA1.Create('SHA')");
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hash = SHA1.Create ("SHA1");
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Assert.AreEqual (hash.ToString (), defaultSHA1, "SHA1.Create('SHA1')");
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hash = SHA1.Create ("System.Security.Cryptography.SHA1");
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Assert.AreEqual (hash.ToString (), defaultSHA1, "SHA1.Create('System.Security.Cryptography.SHA1')");
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hash = SHA1.Create ("System.Security.Cryptography.HashAlgorithm" );
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Assert.AreEqual (hash.ToString (), defaultSHA1, "SHA1.Create('System.Security.Cryptography.HashAlgorithm')");
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}
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[Test]
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[ExpectedException (typeof (InvalidCastException))]
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public void CreateIncorrect ()
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{
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// try to build an incorrect (existing) hash algorithms
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hash = SHA1.Create ("MD5");
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}
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[Test]
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public void CreateUnknown ()
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{
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// try to build invalid (unexisting) implementation
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hash = SHA1.Create ("InvalidHash");
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Assert.IsNull (hash, "SHA1.Create('InvalidHash')");
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}
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[Test]
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[ExpectedException (typeof (ArgumentNullException))]
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public override void CreateNull ()
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{
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// try to build null implementation
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hash = SHA1.Create (null);
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}
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// none of those values changes for any implementation of SHA1
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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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Assert.AreEqual (160, hash.HashSize, className + ".HashSize");
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Assert.AreEqual (1, hash.InputBlockSize, className + ".InputBlockSize");
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Assert.AreEqual (1, hash.OutputBlockSize, className + ".OutputBlockSize");
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}
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}
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}
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