| With the pushing forward of China's "Broadband China" and "Triple Play” policy,compared with the operators' original voice,short message and color message functions,the video as a new business form,has been more and more integrated into the ordinary users' s daily work and life with its rich and colorful rendering ability.By the end of 2014,the video has occupied about 55% of operators' pipe-flow.By 2020,the video traffic flow will account for 95% of all traffic,and will be the main carrier of information involving the user entertainment,work and all aspects of communication.The problem which the operators have to face is how to make use of their own advantages of the pipeline and how to excavate the wealth from video information STB(Set-Top-Box)as a part of video solution plays a important role in the video industry.The main work of this paper is divided into the following three aspects:(1)In order to support a better security level,we research the STB'S structure and complete both the hardware-level security design and the system-level security management and control design.Also the paper introduces the STB's UI design to meet the MSO(Mixed-signaloscilloscopes)and Operators' requirements.(2)This paper focuses on STB's boot process,involving powering,checking and upgrading.The digital signature function in different chips systems and middlewares system is unified and implemented.With the graphical editing tool,Launcher system can maintain and manage the new demands easily.The signature's checking plan with the good security performance is provided based on the chips,the design method of the Launcher desk system is also presented.(3)the methods in paper has been carried out by Hebei Uniom company,the result shows that the design method totally meet the operators' requirement for the system. |
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