mcs/class/corlib/Test/System.Security.Cryptography/SHA256ManagedTest.cs

   1 //
   2 // SHA256ManagedTest.cs - NUnit Test Cases for SHA256Managed
   3 //
   4 // Author:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //
   7 // (C) 2002 Motus Technologies Inc. (http://www.motus.com)
   8 // (C) 2004 Novell  http://www.novell.com
   9 //
  10
  11 using NUnit.Framework;
  12 using System;
  13 using System.Security.Cryptography;
  14 using System.Text;
  15
  16 namespace MonoTests.System.Security.Cryptography {
  17
  18 // References:
  19 // a.   FIPS PUB 180-2: Secure Hash Standard
  20 //      http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf
  21
  22 // we inherit from SHA256Test because all SHA256 implementation must return the
  23 // same results (hence should run a common set of unit tests).
  24
  25 [TestFixture]
  26 public class SHA256ManagedTest : SHA256Test {
  27
  28         [SetUp]
  29         protected override void SetUp ()
  30         {
  31                 hash = new SHA256Managed ();
  32         }
  33
  34         [Test]
  35         public override void Create ()
  36         {
  37                 // no need to repeat this test
  38         }
  39
  40         // none of those values changes for a particuliar implementation of SHA256
  41         [Test]
  42         public override void StaticInfo ()
  43         {
  44                 // test all values static for SHA256
  45                 base.StaticInfo ();
  46                 string className = hash.ToString ();
  47                 AssertEquals (className + ".CanReuseTransform", true, hash.CanReuseTransform);
  48                 AssertEquals (className + ".CanTransformMultipleBlocks", true, hash.CanTransformMultipleBlocks);
  49                 AssertEquals (className + ".ToString()", "System.Security.Cryptography.SHA256Managed", className);
  50         }
  51
  52         [Test]
  53         public void FIPSCompliance_Test1 ()
  54         {
  55                 SHA256 sha = (SHA256) hash;
  56                 // First test, we hash the string "abc"
  57                 FIPS186_Test1 (sha);
  58         }
  59
  60         [Test]
  61         public void FIPSCompliance_Test2 ()
  62         {
  63                 SHA256 sha = (SHA256) hash;
  64                 // Second test, we hash the string "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu"
  65                 FIPS186_Test2 (sha);
  66         }
  67
  68         [Test]
  69         public void FIPSCompliance_Test3 ()
  70         {
  71                 SHA256 sha = (SHA256) hash;
  72                 // Third test, we hash 1,000,000 times the character "a"
  73                 FIPS186_Test3 (sha);
  74         }
  75 }
  76
  77 }