The New Method of Sensor Data Privacy Protection for IoT

Table 3

Node returns sensor data.

#	Field	Type	Explanation
1	Type	String	Message type and value: state_response
2	Payload	Bytes	The message payload is as follows: (i) Encrypted sensor data
			(ii) Data re-encryption key
			(iii) Data decryption key (encrypted by the requester’s public key)