public static Record Create(Span <byte> bytes)
{
if (bytes == null)
{
throw new ArgumentNullException(nameof(bytes));
}
if (bytes.Length < 5)
{
throw new ArgumentException("A minimum of 5 bytes is needed to parse a TLS record.");
}
RecordContentTypes type = (RecordContentTypes)bytes[0];
switch (type)
{
case RecordContentTypes.Alert:
AlertProtocol alertRecord = new AlertProtocol();
alertRecord.Deserialize(bytes);
return(alertRecord);
case RecordContentTypes.ApplicationData:
throw new NotImplementedException("Can't yet handle 'Application Data' content.");
case RecordContentTypes.ChangeCipherSpec:
throw new NotImplementedException("Can't yet handle 'Change Cipher Spec' content.");
case RecordContentTypes.Handshake:
HandshakeType handshakeType = (HandshakeType)bytes[5];
switch (handshakeType)
{
case HandshakeType.ServerHello:
ServerHello serverHello = new ServerHello();
serverHello.Deserialize(bytes);
return(serverHello);
default:
throw new NotImplementedException($"Can't yet handle 'Handshake' content of type '{handshakeType}'.");
}
default:
throw new ArgumentException($"Unknown record content type: {type}");
}
}
public Record(RecordContentTypes contentType, ProtocolVersion protocolVersion)
{
this.ContentType = contentType;
this.ProtocolVersion = protocolVersion;
}
