Wireless Communications and Mobile Computing

Research Article

A Privacy Protection User Authentication and Key Agreement Scheme Tailored for the Internet of Things Environment: PriAuth

Table 5

Login and authentication phase.
UserSensorGateway
User: inserts into terminal  
User: input and   
SC:   
SC:   
SC: random ,   
SC: gets timestamp   
SC:   
SC:   
SC: checks the freshness of  
random ,   
gets timestamp 		 
 checks the freshness of ,
   
  
  
  checks if:
  checks if:
  
  
 checks if:   
Checks if: