public override bool Encrypt(NetOutgoingMessage message)
{
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
int unEncLenBits = message.BitLength;
var ms = new MemoryStream();
using (var encryptor = Algorithm.CreateEncryptor())
using (var cs = new CryptoStream(ms, encryptor, CryptoStreamMode.Write, true))
cs.Write(message.GetBuffer().AsSpan(0, message.ByteLength));
int length = (int)ms.Length;
message.BitPosition = 0;
message.EnsureByteCapacity(length + 4);
message.Write((uint)unEncLenBits);
message.Write(ms.GetBuffer().AsSpan(0, length));
message.ByteLength = length + 4;
return(true);
}