public void Write_Encrypted_ResultBytesAreExpected()
{
//Arrange
var expectedBytes = GetProtectedMessageHex();
var buffer = new byte[PacketBuffer.MaxPacketSize];
var version = PacketVersion.CreateByDraft(32);
var connectionIds = GetConnectionIdsHex();
var sourceConnectionId = PacketConnectionId.Parse(Utils.ParseHexString(connectionIds.SourceConnectionIdHex));
var destConnectionId = PacketConnectionId.Parse(Utils.ParseHexString(connectionIds.DestConnectionIdHex));
var packetNumber = PacketNumber.Parse(Utils.ParseHexString(GetPacketNumberHex()));
var token = PacketToken.Empty;
var clientHelloBytes = Utils.ParseHexString(GetTlsClientHelloHex());
var secrets = GetSecrets();
var aead = Cipher.TLS_AES_128_GCM_SHA256.CreateAead(Utils.ParseHexString(secrets.Iv), Utils.ParseHexString(secrets.Key));
var cipher = Cipher.TLS_AES_128_GCM_SHA256.CreateCipher(Utils.ParseHexString(secrets.Hp));
//Act
var cursor = new MemoryCursor(buffer);
using (InitialPacket.StartProtectedWriting(aead, cipher, cursor, version, destConnectionId, sourceConnectionId, packetNumber, token))
{
using (PaddingFrame.EnsureLength(cursor, 1162))
{
using (CryptoFrame.StartWriting(cursor, 0))
{
clientHelloBytes.CopyTo(cursor);
}
}
}
//Assert
Assert.Equal(expectedBytes, Utils.ToHexString(cursor.PeekStart().ToArray()), true);
}
public void Read_Protected_ResultsAreExpected()
{
//Arrange
var messageBytes = Utils.ParseHexString(GetProtectedMessageHex());
var version = PacketVersion.CreateByDraft(32);
var connectionIds = GetConnectionIdsHex();
var sourceConnectionId = PacketConnectionId.Parse(Utils.ParseHexString(connectionIds.SourceConnectionIdHex));
var destConnectionId = PacketConnectionId.Parse(Utils.ParseHexString(connectionIds.DestConnectionIdHex));
var packetNumber = PacketNumber.Parse(Utils.ParseHexString(GetPacketNumberHex()));
var token = PacketToken.Empty;
var clientHelloBytes = GetTlsClientHelloHex();
var cryptoFrame = new CryptoFrame();
var paddingFrameCount = 0;
var secrets = GetSecrets();
var aead = Cipher.TLS_AES_128_GCM_SHA256.CreateAead(Utils.ParseHexString(secrets.Iv), Utils.ParseHexString(secrets.Key));
var cipher = Cipher.TLS_AES_128_GCM_SHA256.CreateCipher(Utils.ParseHexString(secrets.Hp));
//Act
var cursor = new MemoryCursor(messageBytes);
var result = InitialPacket.TryParseProtected(aead, cipher, cursor, out var packet);
using (packet.Payload.SetCursor(cursor))
{
result &= CryptoFrame.TryParse(cursor, out cryptoFrame);
paddingFrameCount = PaddingFrame.SkipRange(cursor);
result &= cursor.IsEnd();
}
result &= cursor.IsEnd();
//Assert
Assert.True(result);
Assert.Equal(917, paddingFrameCount);
Assert.Equal(version, packet.Version);
Assert.Equal(sourceConnectionId, packet.SourceConnectionId);
Assert.Equal(destConnectionId, packet.DestinationConnectionId);
Assert.Equal(packetNumber, packet.Number);
Assert.Equal(token, packet.Token);
Assert.Equal(0, cryptoFrame.Offset);
Assert.Equal(clientHelloBytes, Utils.ToHexString(cryptoFrame.Data.Read(cursor).ToArray()), true);
}
public Frame GetFrame()
{
Frame result;
byte frameType = _array.PeekByte();
switch (frameType)
{
case 0x00: result = new PaddingFrame(); break;
case 0x01: result = new RSTStreamFrame(); break;
case 0x02: result = new ConnectionCloseFrame(); break;
case 0x06: result = new MaxStreamIdFrame(); break;
case 0x10: result = new StreamFrame(); break;
case 0x11: result = new StreamFrame(); break;
case 0x12: result = new StreamFrame(); break;
case 0x13: result = new StreamFrame(); break;
case 0x14: result = new StreamFrame(); break;
case 0x15: result = new StreamFrame(); break;
case 0x16: result = new StreamFrame(); break;
case 0x17: result = new StreamFrame(); break;
default: result = null; break;
}
if (result != null)
{
result.Decode(_array);
}
return(result);
}
public static void SetImage(this IPreviewFrame previewFrame)
{
Grid holder = previewFrame.Holder;
if (HasChild <PaddingFrame>(holder))
{
// There is already an image on here.
RemoveVideo(holder);
return;
}
RemoveChildren(holder);
PreviewWindowViewModel viewModel;
var paddingFrame = new PaddingFrame();
paddingFrame.SetBinding(PaddingFrame.SourceProperty, nameof(viewModel.PreviewImageServiceClient) + "." + nameof(viewModel.PreviewImageServiceClient.PreviewImage));
paddingFrame.SetBinding(PaddingFrame.OutputSizeProperty, nameof(viewModel.PreviewImageService) + "." + nameof(viewModel.PreviewImageService.OutputSizeInfo));
paddingFrame.SetBinding(PaddingFrame.PadColorProperty, nameof(viewModel.PreviewImageService) + "." + nameof(viewModel.PreviewImageService.PadColor));
previewFrame.Holder.Children.Add(paddingFrame);
}
//[Fact]
public void Test1()
{
var buff = new byte[PacketBuffer.MaxPacketSize];
var pBuff = Utils.ParseHexString("060040f1010000ed0303ebf8fa56f12939b9584a3896472ec40bb863cfd3e86804fe3a47f06a2b69484c00000413011302010000c000000010000e00000b6578616d706c652e636f6dff01000100000a00080006001d0017001800100007000504616c706e000500050100000000003300260024001d00209370b2c9caa47fbabaf4559fedba753de171fa71f50f1ce15d43e994ec74d748002b0003020304000d0010000e0403050306030203080408050806002d00020101001c00024001ffa500320408ffffffffffffffff05048000ffff07048000ffff0801100104800075300901100f088394c8f03e51570806048000ffff");
var hBuff = Utils.ParseHexString("c3ff000020088394c8f03e5157080000449e00000002");
Array.Resize(ref pBuff, 1162);
Array.Copy(hBuff, buff, hBuff.Length);
Array.Copy(pBuff, 0, buff, hBuff.Length, pBuff.Length);
Array.Resize(ref buff, hBuff.Length + pBuff.Length);
var encryptedBuff = new byte[PacketBuffer.MaxPacketSize];
var aead = Cipher.TLS_AES_128_GCM_SHA256.CreateAead(Utils.ParseHexString("6b26114b9cba2b63a9e8dd4f"), Utils.ParseHexString("175257a31eb09dea9366d8bb79ad80ba"));
//var token = aead.StartEncryption(pBuff, encryptedBuff);
//token.UseSequenceNumber(2);
//token.UseAssociatedData(hBuff);
//aead.Finish(token);
//var encryptedHex = Utils.ToHexString(token.Result.ToArray());
var c = new MemoryCursor(buff);
var res1 = InitialPacket.TryParse(c, out var p);
using (p.Payload.SetCursor(c))
{
var res2 = CryptoFrame.TryParse(c, out var f);
}
var res3 = c.IsEnd();
var buffer = new byte[PacketBuffer.MaxPacketSize];
var cursor = new MemoryCursor(buffer);
using (InitialPacket.StartWriting(
cursor,
PacketVersion.CreateByDraft(29),
PacketConnectionId.Generate(),
PacketConnectionId.Generate(),
PacketNumber.Initial,
PacketToken.Empty))
{
using (CryptoFrame.StartWriting(cursor, 0))
{
using (ClientHello.StartWriting(cursor, HandshakeRandom.Generate(), Cipher.Supported, SessionId.Generate()))
{
using (cursor.StartSupportedGroupsWriting())
{
foreach (var group in NamedGroup.Supported.Span)
{
group.WriteBytes(cursor);
}
}
using (cursor.StartSignatureAlgorithmsWriting())
{
foreach (var scheme in SignatureScheme.Supported.Span)
{
scheme.WriteBytes(cursor);
}
}
using (cursor.StartKeySharesWriting())
{
using (KeyShareEntry.StartWriting(cursor, NamedGroup.X25519))
{
Utils.ParseHexString("358072d6365880d1aeea329adf9121383851ed21a28e3b75e965d0d2cd166254").CopyTo(cursor);
}
}
using (cursor.StartPskKeyExchangeModesWriting())
{
PskKeyExchangeMode.PskDheKe.WriteBytes(cursor);
}
using (cursor.StartSupportedVersionsWriting())
{
ProtocolVersion.Tls13.WriteBytes(cursor);
}
cursor.StartTransportParametersWriting().Dispose();
}
for (int i = 0; i < 1000; i++)
{
PaddingFrame.WriteBytes(cursor);
}
}
}
var t = Utils.ParseHexString("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");
var client = new UdpClient(0);
var endPoint = new IPEndPoint(IPAddress.Parse("52.55.120.73"), 443);
client.Send(t, t.Length, endPoint);
IPEndPoint ep = null;
var response = client.Receive(ref ep);
var h1 = Utils.ToHexString(response);
cursor = new MemoryCursor(response);
var result = InitialPacket.TryParse(cursor, out var packet);
using (packet.Payload.SetCursor(cursor))
{
var h2 = Utils.ToHexString(cursor.PeekEnd().ToArray());
CryptoFrame.TryParse(cursor, out var cryptoFrame);
using (cryptoFrame.Data.SetCursor(cursor))
{
ServerHello.TryParse(cursor, out var sh);
}
}
Assert.True(true);
//var snBuff = new byte[100];
//var snIter = snBuff.AsSpan();
//ServerNameExtension.WriteHostName(ref snIter, "example.ulfheim.net");
//var snResult = Parse(snBuff.AsSpan().Slice(0, snBuff.Length - snIter.Length).ToArray());
//var keyShareBuff = new byte[1000];
//var keyShareSpan = keyShareBuff.AsSpan();
//var privateKey = Parse("202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f");
//var publicKey = NamedGroup.X25519.GeneratePublicKey(privateKey);
//KeyShareExtension.WriteClientEntry(ref keyShareSpan, NamedGroup.X25519, publicKey);
//var keyShareData = Parse(keyShareBuff.AsSpan().Slice(0, keyShareBuff.Length - keyShareSpan.Length).ToArray());
//var secret = Parse("ff0e5b965291c608c1e8cd267eefc0afcc5e98a2786373f0db47b04786d72aea");
//var hash = Parse("22844b930e5e0a59a09d5ac35fc032fc91163b193874a265236e568077378d8b");
//var expected = Parse("976017a77ae47f1658e28f7085fe37d149d1e9c91f56e1aebbe0c6bb054bd92b");
//var verifyData = Hash.Sha256.CreateVerifyData(secret, hash);
//var result = verifyData.Span.SequenceEqual(expected);
//var bytes = GetData();
//InitialPacket.TryParse(bytes, out var initial, out var remainings);
//CryptoFrame.TryParse(initial.Payload, out var crypto, out var afterCrypto);
//ClientHello.TryParse(crypto.Data, out var hello, out var afterHello);
//KeyShareExtension.TryParse(hello.Payload, out var keyShare, out var afterKeyShare);
//var unknownBytes = UnknownExtension.SliceBytes(afterKeyShare, out var afterUnknown);
//AlpnExtension.TryParse(afterUnknown, out var alpn, out var afterAlpn);
//SupportedVersionExtension.TryParse(afterAlpn, out var supportedVersion, out var afterSupportedVersion);
//SignatureAlgorithmsExtension.TryParse(afterSupportedVersion, out var signatureAlgorithms, out var afterSignatureAlgorithms);
//SupportedGroupsExtension.TryParse(afterSignatureAlgorithms, out var supportedGroups, out var afterSupportedGroups);
//TransportParametersExtension.TryParse(afterSupportedGroups, out var transportParametersExtension, out var afterTransportParametersExtension);
//PskKeyExchangeModesExtension.TryParse(afterTransportParametersExtension, out var pskKeyExchangeModes, out var afterPsk);
////----------------------------------------------------------------
//var buffer = new byte[65000];
//var destination = buffer.AsSpan();
//var initialContext = InitialPacket.StartWriting(ref destination, initial.Version, initial.DestinationConnectionId, initial.SourceConnectionId, initial.Number, initial.Token);
//var cryptoContext = CryptoFrame.StartWriting(ref destination, 0);
//var clientHelloContext = ClientHello.StartWriting(ref destination, hello.Random, hello.CipherSuite, hello.SessionId);
//keyShare.WriteBytes(ref destination);
//unknownBytes.Span.CopyTo(destination);
//destination = destination.Slice(unknownBytes.Length);
//alpn.WriteBytes(ref destination);
//supportedVersion.WriteBytes(ref destination);
//signatureAlgorithms.WriteBytes(ref destination);
//supportedGroups.WriteBytes(ref destination);
//var transportParametersContext = TransportParametersExtension.StartWriting(ref destination);
//transportParametersExtension.Data.Span.CopyTo(destination);
//destination = destination.Slice(transportParametersExtension.Data.Length);
//transportParametersContext.Complete(ref destination);
//pskKeyExchangeModes.WriteBytes(ref destination);
//clientHelloContext.Complete(ref destination);
//cryptoContext.Complete(ref destination);
//for (int i = 0; i < 1000; i++)
//{
// PaddingFrame.WriteBytes(ref destination);
//}
//initialContext.Complete(ref destination);
////----------------------------------------------------------------
//InitialPacket.TryParse(buffer.ToArray(), out var initial1, out var remainings1);
//CryptoFrame.TryParse(initial1.Payload, out var crypto1, out var afterCrypto1);
//ClientHello.TryParse(crypto1.Data, out var hello1, out var afterHello1);
//KeyShareExtension.TryParse(hello1.Payload, out var keyShare1, out var afterKeyShare1);
//var unknownBytes1 = UnknownExtension.SliceBytes(afterKeyShare1, out var afterUnknown1);
//AlpnExtension.TryParse(afterUnknown1, out var alpn1, out var afterAlpn1);
//SupportedVersionExtension.TryParse(afterAlpn1, out var supportedVersion1, out var afterSupportedVersion1);
//SignatureAlgorithmsExtension.TryParse(afterSupportedVersion1, out var signatureAlgorithms1, out var afterSignatureAlgorithms1);
//SupportedGroupsExtension.TryParse(afterSignatureAlgorithms1, out var supportedGroups1, out var afterSupportedGroups1);
//TransportParametersExtension.TryParse(afterSupportedGroups1, out var transportParametersExtension1, out var afterTransportParametersExtension1);
//PskKeyExchangeModesExtension.TryParse(afterTransportParametersExtension1, out var pskKeyExchangeModes1, out var afterPsk1);
//var client = DatagramChannel.Start(opt =>
//{
// opt.ListeningPoint = new IPEndPoint(IPAddress.Any, 50000);
//});
//var addr = Dns.GetHostAddresses("litespeedtech.com"); //443
////var addr = Dns.GetHostAddresses("test.privateoctopus.com"); //4433
////var addr = Dns.GetHostAddresses("quant.eggert.org"); //4433
////var addr = Dns.GetHostAddresses("f5quic.com"); //4433
//var dgram = new Datagram().WithAddress(addr[0]).WithPort(443).WithBuffer(buffer.ToArray());
//client.Writer.TryWrite(dgram);
//var response = client.Reader.ReadAsync().AsTask().Result;
}
public Frame GetFrame()
{
Frame result;
var frameType = _array.PeekByte();
switch (frameType)
{
case 0x00:
result = new PaddingFrame();
break;
case 0x01:
result = new PingFrame();
break;
case 0x02:
result = new AckFrame();
break;
case 0x03:
result = new AckFrame();
break;
case 0x04:
result = new ResetStreamFrame();
break;
case 0x05:
result = new StopSendingFrame();
break;
case 0x06:
result = new CryptoFrame();
break;
case 0x07:
result = new NewTokenFrame();
break;
case 0x08:
result = new StreamFrame();
break;
case 0x09:
result = new StreamFrame();
break;
case 0x0a:
result = new StreamFrame();
break;
case 0x0b:
result = new StreamFrame();
break;
case 0x0c:
result = new StreamFrame();
break;
case 0x0d:
result = new StreamFrame();
break;
case 0x0e:
result = new StreamFrame();
break;
case 0x0f:
result = new StreamFrame();
break;
case 0x10:
result = new MaxDataFrame();
break;
case 0x11:
result = new MaxStreamDataFrame();
break;
case 0x12:
result = new MaxStreamsFrame();
break;
case 0x13:
result = new MaxStreamsFrame();
break;
case 0x14:
result = new DataBlockedFrame();
break;
case 0x15:
result = new StreamDataBlockedFrame();
break;
case 0x16:
result = new StreamsBlockedFrame();
break;
case 0x17:
result = new StreamsBlockedFrame();
break;
case 0x18:
result = new NewConnectionIdFrame();
break;
case 0x19:
result = new RetireConnectionIdFrame();
break;
case 0x1a:
result = new PathChallengeFrame();
break;
case 0x1b:
result = new PathResponseFrame();
break;
case 0x1c:
result = new ConnectionCloseFrame();
break;
case 0x1d:
result = new ConnectionCloseFrame();
break;
default:
result = null;
break;
}
if (result != null)
{
result.Decode(_array);
}
return(result);
}
