Design and Implementation of SimulCrypt Synchronization Control Software in DTV Conditional Access System

Xiu Zhi Yang; Hua Ping Zeng; Jian Chen

doi:10.4028/www.scientific.net/AMR.433-440.5020

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 433-440Design and Implementation of SimulCrypt...

Design and Implementation of SimulCrypt Synchronization Control Software in DTV Conditional Access System

Abstract:

SimulCrypt Synchronizer is one of the key equipments to make up of DTV Condition Access system. This article is based on Specification of Conditional Access System for Digital Television Broadcasting, It has proposed the methods of reduplicated SCG_ID processing, synchronization of control word and crypto period, as well as circular communication of multi-stream. Moreover, using these methods it has realized SimulCrypt synchronization control System on embedded CPU “Nios II”.

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Periodical:

Advanced Materials Research (Volumes 433-440)

Pages:

5020-5024

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.433-440.5020

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Online since:

January 2012

Authors:

Xiu Zhi Yang, Hua Ping Zeng, Jian Chen

Keywords:

CAS, DTV, SCS

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References

[1] GY/Z 175-2001. Specification of Conditional Access System for Digital Television Broadcasting.

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[2] Peng Chenglian. Challenge SOPC—SOPC Design and Practice Based on NIOS[M]. Trad: Tsinghua Univercity, Beijin, (2004).

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[3] ISO/IEC 13818-1-1995, generic coding of moving picture and associated audio: system, Recommendation H222. 0. (1) Informations obtained from user's scrambling configuration interfac (2) Obtainment of CW (3) Synchron of CW and construction of CW_provision information.

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