public async Task AuthenticateValid()
{
var serverPrivID = PrivateIdentity.Create();
var serverPubID = new PublicIdentity(serverPrivID.PublicIdentityInfo);
var clientPrivID = PrivateIdentity.Create();
var serverAuthenticator = new Authenticator(serverPrivID);
var clientAuthenticator = new Authenticator(clientPrivID);
var a = serverAuthenticator.AuthenticateClient(protected1);
var b = clientAuthenticator.AuthenticateServer(protected2, serverPubID.ID);
await Task.WhenAll(a, b);
}