Hi everyone, I have a question regarding the onboarding process of an end-devices into ttn. Often LoraWan devices( from the LoraWan-Alliance) have a QR-Code on them to simplfy the onboarding process. Taken from here: https://lora-alliance.org/wp-content/uploads/2020/11/TR005_LoRaWAN_Device_Identi…

The AppKey is a large random number used for the encryption - both ends need to know it, but it’s not something that has to be generated by the manufacturer, so can be left to the stack to do when the device is provisioned.

As far as I know the QR code for on boarding relies on the manufacturer storing the combination of the DevEUI, JoinEUI and AppKey (and for LoRaWAN 1.1 NwkKey) on a globally available Join Server. This join server will be used during the join process to generate the session keys. The QR code can also…

Thank you for replying. @descartes @kersing However i’m still confused. My current understanding is that a device can only connect to ttn when the device is already registered on there and further the device needs to know the AppEUI,DeviceEUI and AppKey to be able to connect. So i have to “hardcode…

[image] daniel_hobi: So you are saying the AppKey should also be included in the QR-Code? (according to the link i provided it isn’t) Please read again as I said nothing like that. The key(s) are stored on a Join server the manufacturer chooses. That server might be controlled by TTN or by an…

@kersing Sorry misread your first sentence. Thank you again for answering.

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