wiki_lorawan_main.md

+# LoRaWAN Main Wiki Page
+
+
+
+## Security
+
+### Over-the-Air-Activation (OTAA)
+
+OTAA-Methodebased on Over-the-Air-Messages for Join Requests and Join Accepts.
+For each end device you need
+* 64-Bit-DevEUI [UUID global / like a MAC]
+* 64-Bit-AppEUI [crypto sign to join network]
+* 128-Bit-AppKey 
+* 2byte aka 16bit DevNonce [random byte to prevend relplay attack] 
+* Workflow
+![LoRaWAN-Security](/uploads/b576dc2e6370982ceb3349e9a12f56da/LoRaWAN-Security.png)
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