internal static byte[] Encode(PacketHeader header, ReadOnlySpan <byte> encrypted)
{
var bHeader = header.ToByteArray();
var len = HeaderOffset + bHeader.Length + encrypted.Length;
Span <byte> data = stackalloc byte[len];
data[0] = 0xAB;
data[1] = 0xCD;
data[2] = 0x00;
data[3] = 0x01;
var(packetLength, bodyLength) = EncodeLengths(bHeader.Length, encrypted.Length);
Copy(packetLength, 0, data, 4, packetLength.Length);
Copy(bodyLength, 0, data, 8, bodyLength.Length);
Copy(bHeader, 0, data, HeaderOffset, bHeader.Length);
Copy(encrypted, 0, data, HeaderOffset + bHeader.Length, encrypted.Length);
//Dump(data);
//Decode<UpstreamPayload>(data, key, key, out _);
return(data.ToArray());
}
public static byte[] Encode(PacketHeader header, ByteString body, string key)
{
var bHeader = header.ToByteArray();
var encrypt = Encrypt(key, body);
var len = HeaderOffset + bHeader.Length + encrypt.Length;
Span <byte> data = stackalloc byte[len];
data[0] = 0xAB;
data[1] = 0xCD;
data[2] = 0x00;
data[3] = 0x01;
var(packetLength, bodyLength) = EncodeLengths(bHeader.Length, encrypt.Length);
Copy(packetLength, 0, data, 4, packetLength.Length);
Copy(bodyLength, 0, data, 8, bodyLength.Length);
Copy(bHeader, 0, data, HeaderOffset, bHeader.Length);
Copy(encrypt, 0, data, HeaderOffset + bHeader.Length, encrypt.Length);
return(data.ToArray());
}