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using System;
using NUnit.Framework;
using Org.BouncyCastle.Crypto;
using Org.BouncyCastle.Crypto.Digests;
namespace Org.BouncyCastle.Security.Tests
{
[TestFixture]
public class TestDigestUtilities
{
private static readonly byte[] TestBytes = new byte[100];
static TestDigestUtilities()
{
new SecureRandom().NextBytes(TestBytes);
}
[Test]
public void TestAlgorithms()
{
CheckAlgorithm("GOST3411", new Gost3411Digest());
CheckAlgorithm("MD2", new MD2Digest());
CheckAlgorithm("MD4", new MD4Digest());
CheckAlgorithm("MD5", new MD5Digest());
CheckAlgorithm("RipeMD128", new RipeMD128Digest());
CheckAlgorithm("RipeMD160", new RipeMD160Digest());
CheckAlgorithm("RipeMD256", new RipeMD256Digest());
CheckAlgorithm("RipeMD320", new RipeMD320Digest());
CheckAlgorithm("SHA-1", new Sha1Digest());
CheckAlgorithm("SHA-224", new Sha224Digest());
CheckAlgorithm("SHA-256", new Sha256Digest());
CheckAlgorithm("SHA-384", new Sha384Digest());
CheckAlgorithm("SHA-512", new Sha512Digest());
CheckAlgorithm("Tiger", new TigerDigest());
CheckAlgorithm("Whirlpool", new WhirlpoolDigest());
}
private void CheckAlgorithm(
string name,
IDigest digest)
{
byte[] hash1 = MakeTestHash(digest);
byte[] hash2 = MakeTestHash(DigestUtilities.GetDigest(name));
Assert.AreEqual(hash1, hash2, name);
}
private byte[] MakeTestHash(
IDigest digest)
{
for (int i = 0; i < digest.GetDigestSize(); ++i)
{
digest.Update((byte) i);
}
digest.BlockUpdate(TestBytes, 0, TestBytes.Length);
return DigestUtilities.DoFinal(digest);
}
}
}
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