private void HandleValidateFrame(ServerValidateFrame frame)
{
if (IsMutuallyAuthenticated)
{
List <byte[]> signatureParts = new List <byte[]>();
signatureParts.Add(frame.PublicKey);
signatureParts.Add(ServerNonce);
signatureParts.Add(LocalTag.RawData);
if (!VerifyData(_remoteTag.Holder.Key, frame.Signature, signatureParts.ToArray()))
{
OnExceptionThrown(new InvalidDataException("Invalid signature."));
return;
}
}
InitializeCrypto(frame.PublicKey, true);
BufferFrame(new ServerEchoFrame(), FrameState.ServerEcho);
}
private void SendValidateFrame(byte[] publicKey, Tag remoteTag)
{
byte[] signature = null;
if (IsMutuallyAuthenticated)
{
List <byte[]> signatureParts = new List <byte[]>();
signatureParts.Add(publicKey);
signatureParts.Add(ServerNonce);
signatureParts.Add(remoteTag.RawData);
signature = SignData(LocalTag.Holder.Key, signatureParts.ToArray());
}
ServerValidateFrame frame = new ServerValidateFrame();
frame.PublicKey = publicKey;
frame.Signature = signature;
SendFrame(frame);
}