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Update wiki_lorawan_main authored by Guido Voigt's avatar Guido Voigt
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wiki_lorawan_main.md
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......@@ -14,3 +14,7 @@ For each end device you need
* 2byte aka 16bit DevNonce [random byte to prevend relplay attack]
* Workflow
![LoRaWAN-Security](/uploads/b576dc2e6370982ceb3349e9a12f56da/LoRaWAN-Security.png)
* use this key with AppKey to generate a 4-Byte MIC (Message Integrity Code)
* Server accpet only devices with known DevEUI- und AppEUI and check MIC with AppKey.
![DevAddr-FCnt-Payload-MIC](/uploads/7904b8481871ef6a2874d2611bbd0817/DevAddr-FCnt-Payload-MIC.png)
*
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