2 // SHA256ManagedTest.cs - NUnit Test Cases for SHA256Managed
5 // Sebastien Pouliot <sebastien@ximian.com>
7 // (C) 2002 Motus Technologies Inc. (http://www.motus.com)
8 // (C) 2004 Novell http://www.novell.com
11 using NUnit.Framework;
13 using System.Security.Cryptography;
16 namespace MonoTests.System.Security.Cryptography {
19 // a. FIPS PUB 180-2: Secure Hash Standard
20 // http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf
22 // we inherit from SHA256Test because all SHA256 implementation must return the
23 // same results (hence should run a common set of unit tests).
26 public class SHA256ManagedTest : SHA256Test {
29 protected override void SetUp ()
31 hash = new SHA256Managed ();
35 public override void Create ()
37 // no need to repeat this test
40 // none of those values changes for a particuliar implementation of SHA256
42 public override void StaticInfo ()
44 // test all values static for SHA256
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);
53 public void FIPSCompliance_Test1 ()
55 SHA256 sha = (SHA256) hash;
56 // First test, we hash the string "abc"
61 public void FIPSCompliance_Test2 ()
63 SHA256 sha = (SHA256) hash;
64 // Second test, we hash the string "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu"
69 public void FIPSCompliance_Test3 ()
71 SHA256 sha = (SHA256) hash;
72 // Third test, we hash 1,000,000 times the character "a"