mcs/class/System.Core/Test/System.Security.Cryptography/SHA256CryptoServiceProviderTest.cs

   1 //
   2 // SHA256CryptoServiceProviderTest.cs - NUnit Test Cases for SHA256CryptoServiceProvider
   3 //
   4 // Author:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //
   7 // (C) 2002 Motus Technologies Inc. (http://www.motus.com)
   8 // Copyright (C) 2004, 2007-2008 Novell, Inc (http://www.novell.com)
   9 //
  10
  11 #if !MOBILE
  12
  13 using NUnit.Framework;
  14 using System;
  15 using System.Security.Cryptography;
  16 using System.Text;
  17
  18 namespace MonoTests.System.Security.Cryptography {
  19
  20         // References:
  21         // a.   FIPS PUB 180-2: Secure Hash Standard
  22         //      http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf
  23
  24         // we inherit from SHA256Test because all SHA256 implementation must return the
  25         // same results (hence should run a common set of unit tests).
  26
  27         [TestFixture]
  28         public class SHA256CryptoServiceProviderTest : SHA256Test {
  29
  30                 [SetUp]
  31                 public override void SetUp ()
  32                 {
  33                         hash = new SHA256CryptoServiceProvider ();
  34                 }
  35
  36                 [Test]
  37                 public override void Create ()
  38                 {
  39                         // no need to repeat this test
  40                 }
  41
  42                 // none of those values changes for a particuliar implementation of SHA256
  43                 [Test]
  44                 public override void StaticInfo ()
  45                 {
  46                         // test all values static for SHA256
  47                         base.StaticInfo ();
  48                         string className = hash.ToString ();
  49                         Assert.IsTrue (hash.CanReuseTransform, className + ".CanReuseTransform");
  50                         Assert.IsTrue (hash.CanTransformMultipleBlocks, className + ".CanTransformMultipleBlocks");
  51                         Assert.AreEqual ("System.Security.Cryptography.SHA256CryptoServiceProvider", className, className + ".ToString()");
  52                 }
  53
  54                 [Test]
  55                 public void FIPSCompliance_Test1 ()
  56                 {
  57                         SHA256 sha = (SHA256) hash;
  58                         // First test, we hash the string "abc"
  59                         FIPS186_Test1 (sha);
  60                 }
  61
  62                 [Test]
  63                 public void FIPSCompliance_Test2 ()
  64                 {
  65                         SHA256 sha = (SHA256) hash;
  66                         // Second test, we hash the string "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu"
  67                         FIPS186_Test2 (sha);
  68                 }
  69
  70                 [Test]
  71                 public void FIPSCompliance_Test3 ()
  72                 {
  73                         SHA256 sha = (SHA256) hash;
  74                         // Third test, we hash 1,000,000 times the character "a"
  75                         FIPS186_Test3 (sha);
  76                 }
  77         }
  78 }
  79
  80 #endif