mcs/class/System.Core/Test/System.Security.Cryptography/SHA256CngTest.cs

   1 //
   2 // SHA256CngTest.cs - NUnit Test Cases for SHA256Cng
   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 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 SHA256CngTest : SHA256Test {
  27
  28                 [SetUp]
  29                 protected override void SetUp ()
  30                 {
  31                         hash = new SHA256Cng ();
  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                         Assert.IsTrue (hash.CanReuseTransform, className + ".CanReuseTransform");
  48                         Assert.IsTrue (hash.CanTransformMultipleBlocks, className + ".CanTransformMultipleBlocks");
  49                         Assert.AreEqual ("System.Security.Cryptography.SHA256Cng", className, className + ".ToString()");
  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 }