A Trust-Game-Based Access Control Model for Cloud Service

Table 4

Symbols of game parameter.

Symbol	Definition
	The average loss of the service provider in accepting the user’s deception access
	The average benefit of the service provider in accepting the user’s honest access
	The average loss of the service provider in rejecting an honest access of the user
	The user’s extra benefit of deception access
	The average benefit of user of honest access
	The cost of deception for a user
	The punishment of user for deception
	Payment matrix of service provider
	Payment matrix of user
	Parameter factor of the game
	Deception probability of user
	Acceptation probability of provider