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Author

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1		-XWiki.Edwin
	1	+XWiki.Xiaoling

Content

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15	15	Unencrypt Network modified from LoRaWAN
16	16
17	17
18		-
19	19	= 2. Analyze the LoRaWAN packet =
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21	21
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50	50	Decode the packet
51	51
52	52
53		-
54	54	= 3. Difference between OTAA and ABP mode =
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56	56
57	57	There are two mode for End Node:
58	58
59		-* 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.
60		-* 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
	57	+* (% style="color:blue" %)**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.
61	61
	59	+* (% style="color:blue" %)**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	+
	61	+
	62	+
62	62	= 4. Get and decode the packet =
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64	64
65	65	According to above, it is possible to get the payload from sensor without LoRaWAN server:
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67		-1. Setting the end node to ABP mode
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]]
	68	+* Setting the end node to ABP mode
69	69
	70	+* 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]].
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	72	+
	73	+
70	70	= 5. Use an unencrypt firmware =
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81	81	Unencrypt packet
82	82
83	83
84		-Note: In some device's firmware . There is a AT Command to Disable Encryption. See below:
	88	+(% style="color:red" %)**Note: In some device's firmware . There is a AT Command to Disable Encryption. See below:**
85	85
86		-* AT+DECRYPT=1 The payload is uploaded without encryption
87		-* AT+DECRYPT=0 Encrypt when uploading payload (default)
	90	+* (% style="color:blue" %)**AT+DECRYPT=1**(%%)  The payload is uploaded without encryption
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	92	+* (% style="color:blue" %)**AT+DECRYPT=0  **(%%) Encrypt when uploading payload (default)
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	94	+
	95	+
90	90	= 6. limitation =
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93	93	* None standard LoRaWAN protocol, it is not compatible with LoRaWAN server.
	100	+
94	94	* No device management / ADR management defined in LoRaWAN protocol
	102	+
95	95	* No security.
	104	+
96	96	* No Downlink
	106	+
97	97	* Only use for ABP
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