respond method
Responds to the authentication challenge
.
Implementation
@override
Future<Uint8List> respond(Uint8List challenge) async {
final build = BytesBuilder(copy: false);
build.addByte(0);
build.add(utf8.encode(username));
build.addByte(0);
build.add(utf8.encode(password));
return castBytes(build.toBytes());
}