message AuthRequest {
    enum LoginMethod {
        PASSWORD = 0x0;
        TOKEN = 0x3;
    }

    message Credentials {
        optional string username = 0x0a;
        required LoginMethod method = 0x14;
        required bytes  password = 0x1e;
    }
    required Credentials credentials = 0x0a;

    message Data1 {
        required uint32 data0 = 0x0a;
        required uint32 data1 = 0x3c;
        required string partner = 0x5a; // "Partner %s %s;%s" % ("lenbrook_bluesound", brand, model)
        required string deviceid = 0x64; // sha1(os_device_id).hexdigest()
    }
    required Data1 data1 = 0x32;

    required string version = 0x46;

    message Data3 {
        required uint32 data0 = 0x01;
        required bytes  appkey1 = 0x02;
        required bytes  appkey2 = 0x03;
        required string data3 = 0x04;
        required bytes  data4 = 0x05;
    }
    required Data3 data3 = 0x50;
}

message AuthSuccess {
    required string username = 0x0a;
    required uint32 data1 = 0x14;
    required uint32 data2 = 0x19;
    required uint32 data3 = 0x1e;
    required bytes  data4 = 0x28;
    required bytes  data5 = 0x32;
}

message AuthFailure {
    required uint32 code = 0x0a;
    required Data1 data1 = 0x32;

    message Data1 {
        required string data0 = 0x01;
    }
}