| With the rapid development of the society,people's demand for home entertainment equipment is getting higher and higher.The arrival of the mobile Internet era has impacted the use of traditional equipment TVs and computers in the home.Smartphones have become the highest frequency of use in the home because of their portability.But the smartphone also has limitations such as small screen,poor chip performance,and small storage capacity.The combination of smart phones,computers and TVs can meet the higher quality requirements of home entertainment systems.However,the current home entertainment system protocols and standards do not conform to specific home scenarios,including device coordination and communication interactions in the system,and many protocols do not take into account security issues when communicating.Although the system exists in the home wireless network,the access and connection of the wireless network is not limited to the physical location,and it is extremely dangerous to expose the devices in the home without security protection to the wireless network.This thesis is aimed at this situation and the specific distributed home entertainment system.The system uses the mobile terminal as the control center,connects the computer end and the TV end to complete the corresponding functions,and designs and implements a collaboration system based on the system.The collaboration system enables devices in the home network to be securely connected to each other by means of an identity-based shared key mechanism,and secure communication interaction with symmetric encryption using the mobile device as a control center,and users of each family can also pass through the external network.The server communicates securely using the SSL protocol.This paper first introduces the current development status of collaborative communication in home entertainment systems,analyzes the advantages and disadvantages of current universal protocol standards,and therefore proposes this security protocol system.Next,the data serialization and information security encryption related technologies were analyzed and introduced,and the requirements analysis of the system from the application scenario and the overall goal is carried out.Based on the requirements analysis,the overall design,communication interaction design,protocol format design,and protocol design of the whole system are completed.The design of the protocol security design and other aspects,and then completed the design and implementation of the main module of the whole system,and finally tested its communication interaction implementation,protocol performance and security.The final test shows that the collaborative system of distributed home entertainment system designed in this paper successfully combines the mobile devices,display devices and resource devices in the home,allowing them to discover each other and secure communication interactions to complete multimedia management,device management and other functions.And let the devices in the home communicate with the statistics and the user server to complete the functions of self-information statistics,registration and login,the communication and performance of the protocol are also satisfied,and the distributed interaction of the mobile device,the display device and the resource device is realized.To meet the entertainment needs of today's social home users. |
