using System;

using NUnit.Framework;

using Org.BouncyCastle.Crypto.Engines;
using Org.BouncyCastle.Crypto.Parameters;
using Org.BouncyCastle.Utilities.Encoders;
using Org.BouncyCastle.Utilities.Test;

namespace Org.BouncyCastle.Crypto.Tests
{

	[TestFixture]
	public class Threefish1024Test
		: CipherTest
	{
		// Test cases from skein_golden_kat_internals.txt in Skein 1.3 NIST CD
		static SimpleTest[] tests =
		{
			new BlockCipherVectorTest(0, new ThreefishEngine(ThreefishEngine.BLOCKSIZE_1024),
			                          new TweakableBlockCipherParameters(
				new KeyParameter(new byte[128]),
				new byte[16]),
			                          "0000000000000000000000000000000000000000000000000000000000000000" +
			                          "0000000000000000000000000000000000000000000000000000000000000000" +
			                          "0000000000000000000000000000000000000000000000000000000000000000" +
			                          "0000000000000000000000000000000000000000000000000000000000000000",
			                          "f05c3d0a3d05b304f785ddc7d1e036015c8aa76e2f217b06c6e1544c0bc1a90d" +
			                          "f0accb9473c24e0fd54fea68057f43329cb454761d6df5cf7b2e9b3614fbd5a2" +
			                          "0b2e4760b40603540d82eabc5482c171c832afbe68406bc39500367a592943fa" +
			                          "9a5b4a43286ca3c4cf46104b443143d560a4b230488311df4feef7e1dfe8391e"),
			new BlockCipherVectorTest(1, new ThreefishEngine(ThreefishEngine.BLOCKSIZE_1024),
			                          new TweakableBlockCipherParameters(
				new KeyParameter(Hex.Decode(
				"101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f" +
				"303132333435363738393a3b3c3d3e3f404142434445464748494a4b4c4d4e4f" +
				"505152535455565758595a5b5c5d5e5f606162636465666768696a6b6c6d6e6f" +
				"707172737475767778797a7b7c7d7e7f808182838485868788898a8b8c8d8e8f")),
				Hex.Decode("000102030405060708090a0b0c0d0e0f")),
			                          "fffefdfcfbfaf9f8f7f6f5f4f3f2f1f0efeeedecebeae9e8e7e6e5e4e3e2e1e0" +
			                          "dfdedddcdbdad9d8d7d6d5d4d3d2d1d0cfcecdcccbcac9c8c7c6c5c4c3c2c1c0" +
			                          "bfbebdbcbbbab9b8b7b6b5b4b3b2b1b0afaeadacabaaa9a8a7a6a5a4a3a2a1a0" +
			                          "9f9e9d9c9b9a999897969594939291908f8e8d8c8b8a89888786858483828180",
			                          "a6654ddbd73cc3b05dd777105aa849bce49372eaaffc5568d254771bab85531c" +
			                          "94f780e7ffaae430d5d8af8c70eebbe1760f3b42b737a89cb363490d670314bd" +
			                          "8aa41ee63c2e1f45fbd477922f8360b388d6125ea6c7af0ad7056d01796e90c8" +
			                          "3313f4150a5716b30ed5f569288ae974ce2b4347926fce57de44512177dd7cde")
		};

		public Threefish1024Test()
			: base(tests, new ThreefishEngine(ThreefishEngine.BLOCKSIZE_1024), new KeyParameter(new byte[128]))
		{
		}

		public override string Name
		{
			get { return "Threefish-1024"; }
		}

		public static void Main(
			string[] args)
		{
			RunTest(new Threefish1024Test());
		}

		[Test]
		public void TestFunction()
		{
			string resultText = Perform().ToString();

			Assert.AreEqual(Name + ": Okay", resultText);
		}
	}
}
