A content authentication method for digital television

  • Authors:

  • Lei Wang;Jinchun Liang;Zhang Naiguang;Xie Jinhui;Guo Peiyu

  • Affiliations:

  • Information Engineering School, Communication University of China, Beijing, China;Information Technology Institute, Academy of Broadcasting Science, SARFT, Beijing, China;Information Technology Institute, Academy of Broadcasting Science, SARFT, Beijing, China;Academy of Broadcasting Planning, SARFT, China, Beijing, China;Information Technology Institute, Academy of Broadcasting Science, SARFT, SARFT, China, Beijing, China

  • Venue:
  • CAR'10 Proceedings of the 2nd international Asia conference on Informatics in control, automation and robotics - Volume 1
  • Year:
  • 2010

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Abstract

MPEG-2 Transport Stream (TS) is the main transmission mode for digital TV programs. This paper provided a MPEG-2 TS authentication method which can authenticate the validity and integrity of digital television content, prevent the illegal attack. This method is based on digital signature theory and ASN.1 (Abstract Syntax Donation One) syntax. We defined a signature information packetization and transmission protocol to realize the authentication of digital television. The authentication information for signed is composed of MPEG video/audio PES packets and additional identification information. From the simulation in Windows system, this authentication method can protect the real-time MPEG-2 content well.