Changes for page How to send none encryption LoRaWAN Packet
Last modified by Xiaoling on 2023/04/19 17:49
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... ... @@ -50,6 +50,7 @@ 50 50 Decode the packet 51 51 52 52 53 + 53 53 = 3. Difference between OTAA and ABP mode = 54 54 55 55 ... ... @@ -58,8 +58,6 @@ 58 58 * OTAA: Over the air activation. In this mode, the end node will send a Join Request to server, server will reply with a Join Accept and the end node will parse this Join Accept message to get the Dev Addr / APP Session Key(AppSkey / Network Session Key(NwkSKey). Because the AppSkey and NwkSkey is dynamic, OTAA mode provide more security. 59 59 * ABP: Activation by personalization. There is no hand-shake with LoRaWAN server for activition. The end node will use fix Dev Addr / APP Session Key(AppSkey / Network Session Key(NwkSKey) to upload the packet. So the packet can be decode if someone know these fix keys 60 60 61 - 62 - 63 63 = 4. Get and decode the packet = 64 64 65 65 ... ... @@ -66,10 +66,8 @@ 66 66 According to above, it is possible to get the payload from sensor without LoRaWAN server: 67 67 68 68 1. Setting the end node to ABP mode 69 -1. Add decode program and add the keys of the sensor. So to get the payload. There is an example for such application, see [[Communication with ABP End Node>>Communicate with ABP End Node without LoRaWAN Network Server --- LG308]] .68 +1. Add decode program and add the keys of the sensor. So to get the payload. There is an example for such application, see [[Communication with ABP End Node>>Communicate with ABP End Node without LoRaWAN Network Server --- LG308]] 70 70 71 - 72 - 73 73 = 5. Use an unencrypt firmware = 74 74 75 75 ... ... @@ -90,7 +90,6 @@ 90 90 * AT+DECRYPT=0 Encrypt when uploading payload (default) 91 91 92 92 93 - 94 94 = 6. limitation = 95 95 96 96