Fix XML comment

Detabify

1 files changed, 307 insertions, 306 deletions

diff --git a/crypto/test/src/crypto/test/ChaChaTest.cs b/crypto/test/src/crypto/test/ChaChaTest.cs
index fea88ca85..0b394c91e 100644
--- a/crypto/test/src/crypto/test/ChaChaTest.cs
+++ b/crypto/test/src/crypto/test/ChaChaTest.cs
@@ -9,310 +9,311 @@ using Org.BouncyCastle.Utilities.Test;
 
 namespace Org.BouncyCastle.Crypto.Tests
 {
-	/**
-	 * ChaCha Test
-	 * <p>
-	 * Test cases generated using ref version of ChaCha20 in estreambench-20080905.
-	 */
-	[TestFixture]
-	public class ChaChaTest
-		: SimpleTest
-	{
-		private static readonly byte[] zeroes = Hex.Decode(
-			"00000000000000000000000000000000"
-			+ "00000000000000000000000000000000"
-			+ "00000000000000000000000000000000"
-			+ "00000000000000000000000000000000");
-
-		private static readonly string set1v0_0 =
-			"FBB87FBB8395E05DAA3B1D683C422046"
-			+ "F913985C2AD9B23CFC06C1D8D04FF213"
-			+ "D44A7A7CDB84929F915420A8A3DC58BF"
-			+ "0F7ECB4B1F167BB1A5E6153FDAF4493D";
-
-		private static readonly string set1v0_192 =
-			"D9485D55B8B82D792ED1EEA8E93E9BC1"
-			+ "E2834AD0D9B11F3477F6E106A2F6A5F2"
-			+ "EA8244D5B925B8050EAB038F58D4DF57"
-			+ "7FAFD1B89359DAE508B2B10CBD6B488E";
-
-		private static readonly string set1v0_256 =
-			"08661A35D6F02D3D9ACA8087F421F7C8"
-			+ "A42579047D6955D937925BA21396DDD4"
-			+ "74B1FC4ACCDCAA33025B4BCE817A4FBF"
-			+ "3E5D07D151D7E6FE04934ED466BA4779";
-
-		private static readonly string set1v0_448 =
-			"A7E16DD38BA48CCB130E5BE9740CE359"
-			+ "D631E91600F85C8A5D0785A612D1D987"
-			+ "90780ACDDC26B69AB106CCF6D866411D"
-			+ "10637483DBF08CC5591FD8B3C87A3AE0";
-
-		private static readonly string set1v9_0 =
-			"A276339F99316A913885A0A4BE870F06"
-			+ "91E72B00F1B3F2239F714FE81E88E00C"
-			+ "BBE52B4EBBE1EA15894E29658C4CB145"
-			+ "E6F89EE4ABB045A78514482CE75AFB7C";
-
-		private static readonly string set1v9_192 =
-			"0DFB9BD4F87F68DE54FBC1C6428FDEB0"
-			+ "63E997BE8490C9B7A4694025D6EBA2B1"
-			+ "5FE429DB82A7CAE6AAB22918E8D00449"
-			+ "6FB6291467B5AE81D4E85E81D8795EBB";
-
-		private static readonly string set1v9_256 =
-			"546F5BB315E7F71A46E56D4580F90889"
-			+ "639A2BA528F757CF3B048738BA141AF3"
-			+ "B31607CB21561BAD94721048930364F4"
-			+ "B1227CFEB7CDECBA881FB44903550E68";
-
-		private static readonly string set1v9_448 =
-			"6F813586E76691305A0CF048C0D8586D"
-			+ "C89460207D8B230CD172398AA33D19E9"
-			+ "2D24883C3A9B0BB7CD8C6B2668DB142E"
-			+ "37A97948A7A01498A21110297984CD20";
-
-		private static readonly string set6v0_0 =
-			"57459975BC46799394788DE80B928387"
-			+ "862985A269B9E8E77801DE9D874B3F51"
-			+ "AC4610B9F9BEE8CF8CACD8B5AD0BF17D"
-			+ "3DDF23FD7424887EB3F81405BD498CC3";
-
-		private static readonly string set6v0_65472 =
-			"EF9AEC58ACE7DB427DF012B2B91A0C1E"
-			+ "8E4759DCE9CDB00A2BD59207357BA06C"
-			+ "E02D327C7719E83D6348A6104B081DB0"
-			+ "3908E5186986AE41E3AE95298BB7B713";
-
-		private static readonly string set6v0_65536 =
-			"17EF5FF454D85ABBBA280F3A94F1D26E"
-			+ "950C7D5B05C4BB3A78326E0DC5731F83"
-			+ "84205C32DB867D1B476CE121A0D7074B"
-			+ "AA7EE90525D15300F48EC0A6624BD0AF";
-
-		private static readonly string set6v1_0 =
-			"92A2508E2C4084567195F2A1005E552B"
-			+ "4874EC0504A9CD5E4DAF739AB553D2E7"
-			+ "83D79C5BA11E0653BEBB5C116651302E"
-			+ "8D381CB728CA627B0B246E83942A2B99";
-
-		private static readonly string set6v1_65472 =
-			"E1974EC3063F7BD0CBA58B1CE34BC874"
-			+ "67AAF5759B05EA46682A5D4306E5A76B"
-			+ "D99A448DB8DE73AF97A73F5FBAE2C776"
-			+ "35040464524CF14D7F08D4CE1220FD84";
-
-		private static readonly string set6v1_65536 =
-			"BE3436141CFD62D12FF7D852F80C1344"
-			+ "81F152AD0235ECF8CA172C55CA8C031B"
-			+ "2E785D773A988CA8D4BDA6FAE0E493AA"
-			+ "71DCCC4C894D1F106CAC62A9FC0A9607";
-
-		// ChaCha12
-		private static readonly string chacha12_set1v0_0 =
-			"36CF0D56E9F7FBF287BC5460D95FBA94"
-			+ "AA6CBF17D74E7C784DDCF7E0E882DDAE"
-			+ "3B5A58243EF32B79A04575A8E2C2B73D"
-			+ "C64A52AA15B9F88305A8F0CA0B5A1A25";
-
-		private static readonly string chacha12_set1v0_192 =
-			"83496792AB68FEC75ADB16D3044420A4"
-			+ "A00A6E9ADC41C3A63DBBF317A8258C85"
-			+ "A9BC08B4F76B413A4837324AEDF8BC2A"
-			+ "67D53C9AB9E1C5BC5F379D48DF9AF730";
-
-		private static readonly string chacha12_set1v0_256 = 
-			"BAA28ED593690FD760ADA07C95E3B888"
-			+ "4B4B64E488CA7A2D9BDC262243AB9251"
-			+ "394C5037E255F8BCCDCD31306C508FFB"
-			+ "C9E0161380F7911FCB137D46D9269250";
-
-		private static readonly string chacha12_set1v0_448 =
-			"B7ECFB6AE0B51915762FE1FD03A14D0C"
-			+ "9E54DA5DC76EB16EBA5313BC535DE63D"
-			+ "C72D7F9F1874E301E99C8531819F4E37"
-			+ "75793F6A5D19C717FA5C78A39EB804A6";
-
-		// ChaCha8
-		private static readonly string chacha8_set1v0_0 =
-			"BEB1E81E0F747E43EE51922B3E87FB38"
-			+ "D0163907B4ED49336032AB78B67C2457"
-			+ "9FE28F751BD3703E51D876C017FAA435"
-			+ "89E63593E03355A7D57B2366F30047C5";
-
-		private static readonly string chacha8_set1v0_192 =
-			"33B8B7CA8F8E89F0095ACE75A379C651"
-			+ "FD6BDD55703C90672E44C6BAB6AACDD8"
-			+ "7C976A87FD264B906E749429284134C2"
-			+ "38E3B88CF74A68245B860D119A8BDF43";
-
-		private static readonly string chacha8_set1v0_256 =
-			"F7CA95BF08688BD3BE8A27724210F9DC"
-			+ "16F32AF974FBFB09E9F757C577A245AB"
-			+ "F35F824B70A4C02CB4A8D7191FA8A5AD"
-			+ "6A84568743844703D353B7F00A8601F4";
-
-		private static readonly string chacha8_set1v0_448 =
-			"7B4117E8BFFD595CD8482270B08920FB"
-			+ "C9B97794E1809E07BB271BF07C861003"
-			+ "4C38DBA6ECA04E5474F399A284CBF6E2"
-			+ "7F70142E604D0977797DE5B58B6B25E0";
-
-		public override string Name
-		{
-			get { return "ChaCha"; }
-		}
-
-		public override void PerformTest()
-		{
-			chachaTest1(20, new ParametersWithIV(new KeyParameter(Hex.Decode("80000000000000000000000000000000")), Hex.Decode("0000000000000000")),
-					set1v0_0, set1v0_192,  set1v0_256,  set1v0_448);
-			chachaTest1(20, new ParametersWithIV(new KeyParameter(Hex.Decode("00400000000000000000000000000000")), Hex.Decode("0000000000000000")),
-					set1v9_0, set1v9_192,  set1v9_256,  set1v9_448);
-			chachaTest1(12, new ParametersWithIV(new KeyParameter(Hex.Decode("80000000000000000000000000000000")), Hex.Decode("0000000000000000")),
-		            chacha12_set1v0_0, chacha12_set1v0_192,  chacha12_set1v0_256,  chacha12_set1v0_448);
-			chachaTest1(8, new ParametersWithIV(new KeyParameter(Hex.Decode("80000000000000000000000000000000")), Hex.Decode("0000000000000000")),
-		            chacha8_set1v0_0, chacha8_set1v0_192,  chacha8_set1v0_256,  chacha8_set1v0_448);
-			chachaTest2(new ParametersWithIV(new KeyParameter(Hex.Decode("0053A6F94C9FF24598EB3E91E4378ADD3083D6297CCF2275C81B6EC11467BA0D")), Hex.Decode("0D74DB42A91077DE")),
-					set6v0_0, set6v0_65472, set6v0_65536);
-			chachaTest2(new ParametersWithIV(new KeyParameter(Hex.Decode("0558ABFE51A4F74A9DF04396E93C8FE23588DB2E81D4277ACD2073C6196CBF12")), Hex.Decode("167DE44BB21980E7")),
-					set6v1_0, set6v1_65472, set6v1_65536);
-			reinitBug();
-		}
-
-		private void chachaTest1(
-			int rounds,
-			ICipherParameters	parameters,
-			string				v0,
-			string				v192,
-			string				v256,
-			string				v448)
-		{
-			IStreamCipher salsa = new ChaChaEngine(rounds);
-			byte[]       buf = new byte[64];
-
-			salsa.Init(true, parameters);
-
-			for (int i = 0; i != 7; i++)
-			{
-				salsa.ProcessBytes(zeroes, 0, 64, buf, 0);
-				switch (i)
-				{
-				case 0:
-					if (!AreEqual(buf, Hex.Decode(v0)))
-					{
-						mismatch("v0/" + rounds, v0, buf);
-					}
-					break;
-				case 3:
-					if (!AreEqual(buf, Hex.Decode(v192)))
-					{
-						mismatch("v192/" + rounds, v192, buf);
-					}
-					break;
-				case 4:
-					if (!AreEqual(buf, Hex.Decode(v256)))
-					{
-						mismatch("v256/" + rounds, v256, buf);
-					}
-					break;
-				default:
-					// ignore
-					break;
-				}
-			}
-
-			for (int i = 0; i != 64; i++)
-			{
-				buf[i] = salsa.ReturnByte(zeroes[i]);
-			}
-
-			if (!AreEqual(buf, Hex.Decode(v448)))
-			{
-				mismatch("v448", v448, buf);
-			}       
-		}
-
-		private void chachaTest2(
-			ICipherParameters	parameters,
-			string				v0,
-			string				v65472,
-			string				v65536)
-		{
-			IStreamCipher salsa = new ChaChaEngine();
-			byte[]       buf = new byte[64];
-
-			salsa.Init(true, parameters);
-
-			for (int i = 0; i != 1025; i++)
-			{
-				salsa.ProcessBytes(zeroes, 0, 64, buf, 0);
-				switch (i)
-				{
-				case 0:
-					if (!AreEqual(buf, Hex.Decode(v0)))
-					{
-						mismatch("v0", v0, buf);
-					}
-					break;
-				case 1023:
-					if (!AreEqual(buf, Hex.Decode(v65472)))
-					{
-						mismatch("v65472", v65472, buf);
-					}
-					break;
-				case 1024:
-					if (!AreEqual(buf, Hex.Decode(v65536)))
-					{
-						mismatch("v65536", v65536, buf);
-					}
-					break;
-				default:
-					// ignore
-					break;
-				}
-			}
-		}
-
-		private void mismatch(
-			string	name,
-			string	expected,
-			byte[]	found)
-		{
-			Fail("mismatch on " + name, expected, Hex.ToHexString(found));
-		}
-
-		private void reinitBug()
-		{
-			KeyParameter key = new KeyParameter(Hex.Decode("80000000000000000000000000000000"));
-			ParametersWithIV parameters = new ParametersWithIV(key, Hex.Decode("0000000000000000"));
-
-			IStreamCipher chacha = new ChaChaEngine();
-
-			chacha.Init(true, parameters);
-
-			try
-			{
-				chacha.Init(true, key);
-				Fail("ChaCha should throw exception if no IV in Init");
-			}
-			catch (ArgumentException)
-			{
-			}
-		}
-
-		public static void Main(
-			string[] args)
-		{
-			RunTest(new ChaChaTest());
-		}
-
-		[Test]
-		public void TestFunction()
-		{
-			string resultText = Perform().ToString();
-
-			Assert.AreEqual(Name + ": Okay", resultText);
-		}
-	}
+    /**
+     * ChaCha Test
+     * <p>
+     * Test cases generated using ref version of ChaCha20 in estreambench-20080905.
+     * </p>
+     */
+    [TestFixture]
+    public class ChaChaTest
+        : SimpleTest
+    {
+        private static readonly byte[] zeroes = Hex.Decode(
+            "00000000000000000000000000000000"
+            + "00000000000000000000000000000000"
+            + "00000000000000000000000000000000"
+            + "00000000000000000000000000000000");
+
+        private static readonly string set1v0_0 =
+            "FBB87FBB8395E05DAA3B1D683C422046"
+            + "F913985C2AD9B23CFC06C1D8D04FF213"
+            + "D44A7A7CDB84929F915420A8A3DC58BF"
+            + "0F7ECB4B1F167BB1A5E6153FDAF4493D";
+
+        private static readonly string set1v0_192 =
+            "D9485D55B8B82D792ED1EEA8E93E9BC1"
+            + "E2834AD0D9B11F3477F6E106A2F6A5F2"
+            + "EA8244D5B925B8050EAB038F58D4DF57"
+            + "7FAFD1B89359DAE508B2B10CBD6B488E";
+
+        private static readonly string set1v0_256 =
+            "08661A35D6F02D3D9ACA8087F421F7C8"
+            + "A42579047D6955D937925BA21396DDD4"
+            + "74B1FC4ACCDCAA33025B4BCE817A4FBF"
+            + "3E5D07D151D7E6FE04934ED466BA4779";
+
+        private static readonly string set1v0_448 =
+            "A7E16DD38BA48CCB130E5BE9740CE359"
+            + "D631E91600F85C8A5D0785A612D1D987"
+            + "90780ACDDC26B69AB106CCF6D866411D"
+            + "10637483DBF08CC5591FD8B3C87A3AE0";
+
+        private static readonly string set1v9_0 =
+            "A276339F99316A913885A0A4BE870F06"
+            + "91E72B00F1B3F2239F714FE81E88E00C"
+            + "BBE52B4EBBE1EA15894E29658C4CB145"
+            + "E6F89EE4ABB045A78514482CE75AFB7C";
+
+        private static readonly string set1v9_192 =
+            "0DFB9BD4F87F68DE54FBC1C6428FDEB0"
+            + "63E997BE8490C9B7A4694025D6EBA2B1"
+            + "5FE429DB82A7CAE6AAB22918E8D00449"
+            + "6FB6291467B5AE81D4E85E81D8795EBB";
+
+        private static readonly string set1v9_256 =
+            "546F5BB315E7F71A46E56D4580F90889"
+            + "639A2BA528F757CF3B048738BA141AF3"
+            + "B31607CB21561BAD94721048930364F4"
+            + "B1227CFEB7CDECBA881FB44903550E68";
+
+        private static readonly string set1v9_448 =
+            "6F813586E76691305A0CF048C0D8586D"
+            + "C89460207D8B230CD172398AA33D19E9"
+            + "2D24883C3A9B0BB7CD8C6B2668DB142E"
+            + "37A97948A7A01498A21110297984CD20";
+
+        private static readonly string set6v0_0 =
+            "57459975BC46799394788DE80B928387"
+            + "862985A269B9E8E77801DE9D874B3F51"
+            + "AC4610B9F9BEE8CF8CACD8B5AD0BF17D"
+            + "3DDF23FD7424887EB3F81405BD498CC3";
+
+        private static readonly string set6v0_65472 =
+            "EF9AEC58ACE7DB427DF012B2B91A0C1E"
+            + "8E4759DCE9CDB00A2BD59207357BA06C"
+            + "E02D327C7719E83D6348A6104B081DB0"
+            + "3908E5186986AE41E3AE95298BB7B713";
+
+        private static readonly string set6v0_65536 =
+            "17EF5FF454D85ABBBA280F3A94F1D26E"
+            + "950C7D5B05C4BB3A78326E0DC5731F83"
+            + "84205C32DB867D1B476CE121A0D7074B"
+            + "AA7EE90525D15300F48EC0A6624BD0AF";
+
+        private static readonly string set6v1_0 =
+            "92A2508E2C4084567195F2A1005E552B"
+            + "4874EC0504A9CD5E4DAF739AB553D2E7"
+            + "83D79C5BA11E0653BEBB5C116651302E"
+            + "8D381CB728CA627B0B246E83942A2B99";
+
+        private static readonly string set6v1_65472 =
+            "E1974EC3063F7BD0CBA58B1CE34BC874"
+            + "67AAF5759B05EA46682A5D4306E5A76B"
+            + "D99A448DB8DE73AF97A73F5FBAE2C776"
+            + "35040464524CF14D7F08D4CE1220FD84";
+
+        private static readonly string set6v1_65536 =
+            "BE3436141CFD62D12FF7D852F80C1344"
+            + "81F152AD0235ECF8CA172C55CA8C031B"
+            + "2E785D773A988CA8D4BDA6FAE0E493AA"
+            + "71DCCC4C894D1F106CAC62A9FC0A9607";
+
+        // ChaCha12
+        private static readonly string chacha12_set1v0_0 =
+            "36CF0D56E9F7FBF287BC5460D95FBA94"
+            + "AA6CBF17D74E7C784DDCF7E0E882DDAE"
+            + "3B5A58243EF32B79A04575A8E2C2B73D"
+            + "C64A52AA15B9F88305A8F0CA0B5A1A25";
+
+        private static readonly string chacha12_set1v0_192 =
+            "83496792AB68FEC75ADB16D3044420A4"
+            + "A00A6E9ADC41C3A63DBBF317A8258C85"
+            + "A9BC08B4F76B413A4837324AEDF8BC2A"
+            + "67D53C9AB9E1C5BC5F379D48DF9AF730";
+
+        private static readonly string chacha12_set1v0_256 = 
+            "BAA28ED593690FD760ADA07C95E3B888"
+            + "4B4B64E488CA7A2D9BDC262243AB9251"
+            + "394C5037E255F8BCCDCD31306C508FFB"
+            + "C9E0161380F7911FCB137D46D9269250";
+
+        private static readonly string chacha12_set1v0_448 =
+            "B7ECFB6AE0B51915762FE1FD03A14D0C"
+            + "9E54DA5DC76EB16EBA5313BC535DE63D"
+            + "C72D7F9F1874E301E99C8531819F4E37"
+            + "75793F6A5D19C717FA5C78A39EB804A6";
+
+        // ChaCha8
+        private static readonly string chacha8_set1v0_0 =
+            "BEB1E81E0F747E43EE51922B3E87FB38"
+            + "D0163907B4ED49336032AB78B67C2457"
+            + "9FE28F751BD3703E51D876C017FAA435"
+            + "89E63593E03355A7D57B2366F30047C5";
+
+        private static readonly string chacha8_set1v0_192 =
+            "33B8B7CA8F8E89F0095ACE75A379C651"
+            + "FD6BDD55703C90672E44C6BAB6AACDD8"
+            + "7C976A87FD264B906E749429284134C2"
+            + "38E3B88CF74A68245B860D119A8BDF43";
+
+        private static readonly string chacha8_set1v0_256 =
+            "F7CA95BF08688BD3BE8A27724210F9DC"
+            + "16F32AF974FBFB09E9F757C577A245AB"
+            + "F35F824B70A4C02CB4A8D7191FA8A5AD"
+            + "6A84568743844703D353B7F00A8601F4";
+
+        private static readonly string chacha8_set1v0_448 =
+            "7B4117E8BFFD595CD8482270B08920FB"
+            + "C9B97794E1809E07BB271BF07C861003"
+            + "4C38DBA6ECA04E5474F399A284CBF6E2"
+            + "7F70142E604D0977797DE5B58B6B25E0";
+
+        public override string Name
+        {
+            get { return "ChaCha"; }
+        }
+
+        public override void PerformTest()
+        {
+            chachaTest1(20, new ParametersWithIV(new KeyParameter(Hex.Decode("80000000000000000000000000000000")), Hex.Decode("0000000000000000")),
+                    set1v0_0, set1v0_192,  set1v0_256,  set1v0_448);
+            chachaTest1(20, new ParametersWithIV(new KeyParameter(Hex.Decode("00400000000000000000000000000000")), Hex.Decode("0000000000000000")),
+                    set1v9_0, set1v9_192,  set1v9_256,  set1v9_448);
+            chachaTest1(12, new ParametersWithIV(new KeyParameter(Hex.Decode("80000000000000000000000000000000")), Hex.Decode("0000000000000000")),
+                    chacha12_set1v0_0, chacha12_set1v0_192,  chacha12_set1v0_256,  chacha12_set1v0_448);
+            chachaTest1(8, new ParametersWithIV(new KeyParameter(Hex.Decode("80000000000000000000000000000000")), Hex.Decode("0000000000000000")),
+                    chacha8_set1v0_0, chacha8_set1v0_192,  chacha8_set1v0_256,  chacha8_set1v0_448);
+            chachaTest2(new ParametersWithIV(new KeyParameter(Hex.Decode("0053A6F94C9FF24598EB3E91E4378ADD3083D6297CCF2275C81B6EC11467BA0D")), Hex.Decode("0D74DB42A91077DE")),
+                    set6v0_0, set6v0_65472, set6v0_65536);
+            chachaTest2(new ParametersWithIV(new KeyParameter(Hex.Decode("0558ABFE51A4F74A9DF04396E93C8FE23588DB2E81D4277ACD2073C6196CBF12")), Hex.Decode("167DE44BB21980E7")),
+                    set6v1_0, set6v1_65472, set6v1_65536);
+            reinitBug();
+        }
+
+        private void chachaTest1(
+            int rounds,
+            ICipherParameters	parameters,
+            string				v0,
+            string				v192,
+            string				v256,
+            string				v448)
+        {
+            IStreamCipher salsa = new ChaChaEngine(rounds);
+            byte[]       buf = new byte[64];
+
+            salsa.Init(true, parameters);
+
+            for (int i = 0; i != 7; i++)
+            {
+                salsa.ProcessBytes(zeroes, 0, 64, buf, 0);
+                switch (i)
+                {
+                case 0:
+                    if (!AreEqual(buf, Hex.Decode(v0)))
+                    {
+                        mismatch("v0/" + rounds, v0, buf);
+                    }
+                    break;
+                case 3:
+                    if (!AreEqual(buf, Hex.Decode(v192)))
+                    {
+                        mismatch("v192/" + rounds, v192, buf);
+                    }
+                    break;
+                case 4:
+                    if (!AreEqual(buf, Hex.Decode(v256)))
+                    {
+                        mismatch("v256/" + rounds, v256, buf);
+                    }
+                    break;
+                default:
+                    // ignore
+                    break;
+                }
+            }
+
+            for (int i = 0; i != 64; i++)
+            {
+                buf[i] = salsa.ReturnByte(zeroes[i]);
+            }
+
+            if (!AreEqual(buf, Hex.Decode(v448)))
+            {
+                mismatch("v448", v448, buf);
+            }       
+        }
+
+        private void chachaTest2(
+            ICipherParameters	parameters,
+            string				v0,
+            string				v65472,
+            string				v65536)
+        {
+            IStreamCipher salsa = new ChaChaEngine();
+            byte[]       buf = new byte[64];
+
+            salsa.Init(true, parameters);
+
+            for (int i = 0; i != 1025; i++)
+            {
+                salsa.ProcessBytes(zeroes, 0, 64, buf, 0);
+                switch (i)
+                {
+                case 0:
+                    if (!AreEqual(buf, Hex.Decode(v0)))
+                    {
+                        mismatch("v0", v0, buf);
+                    }
+                    break;
+                case 1023:
+                    if (!AreEqual(buf, Hex.Decode(v65472)))
+                    {
+                        mismatch("v65472", v65472, buf);
+                    }
+                    break;
+                case 1024:
+                    if (!AreEqual(buf, Hex.Decode(v65536)))
+                    {
+                        mismatch("v65536", v65536, buf);
+                    }
+                    break;
+                default:
+                    // ignore
+                    break;
+                }
+            }
+        }
+
+        private void mismatch(
+            string	name,
+            string	expected,
+            byte[]	found)
+        {
+            Fail("mismatch on " + name, expected, Hex.ToHexString(found));
+        }
+
+        private void reinitBug()
+        {
+            KeyParameter key = new KeyParameter(Hex.Decode("80000000000000000000000000000000"));
+            ParametersWithIV parameters = new ParametersWithIV(key, Hex.Decode("0000000000000000"));
+
+            IStreamCipher chacha = new ChaChaEngine();
+
+            chacha.Init(true, parameters);
+
+            try
+            {
+                chacha.Init(true, key);
+                Fail("ChaCha should throw exception if no IV in Init");
+            }
+            catch (ArgumentException)
+            {
+            }
+        }
+
+        public static void Main(
+            string[] args)
+        {
+            RunTest(new ChaChaTest());
+        }
+
+        [Test]
+        public void TestFunction()
+        {
+            string resultText = Perform().ToString();
+
+            Assert.AreEqual(Name + ": Okay", resultText);
+        }
+    }
 }