private void CompleteInitiatorHandshake(ReadOnlySpan <byte> re, IBufferWriter <byte> output)
{
//act three initiator
Span <byte> outputText = output.GetSpan(66);
Span <byte> cipher = outputText.Slice(1, 49);
_aeadConstruction.EncryptWithAd(HandshakeContext.Hash,
_keyGenerator.GetPublicKey(HandshakeContext.PrivateKey).ToArray(), cipher);
_hasher.Hash(HandshakeContext.Hash, cipher, HandshakeContext.Hash);
var se = _curveActions.Multiply(HandshakeContext.PrivateKey, re);
ExtractNextKeys(se);
_aeadConstruction.EncryptWithAd(HandshakeContext.Hash, new byte[0],
outputText.Slice(50, 16));
ExtractFinalChannelKeysForInitiator();
output.Advance(66);
}
public int WriteMessage(ReadOnlySequence <byte> message, IBufferWriter <byte> output)
{
if (message.Length + Aead.TAG_SIZE > LightningNetworkConfig.MAX_MESSAGE_LENGTH)
{
throw new ArgumentException($"Noise message must be less than or equal to {LightningNetworkConfig.MAX_MESSAGE_LENGTH} bytes in length.");
}
_logger.LogDebug($"Write message {message.Length} to encrypted");
int numOfBytesWritten = _writer.EncryptWithAd(null, message.ToArray(), // TODO David here we call to array should be replaced
output.GetSpan((int)message.Length + Aead.TAG_SIZE));
output.Advance(numOfBytesWritten);
KeyRecycle(_writer, _writerChainingKey);
return(numOfBytesWritten);
}
