hello method
This method is called to modify the hello details for a given realm.
Implementation
@override
Future<void> hello(String? realm, Details details) {
details.authextra ??= <String, String?>{};
details.authextra!['pubkey'] = privateKey.publicKey.encode(
Base16Encoder.instance,
);
details.authextra!['channel_binding'] = channelBinding;
return Future.value();
}