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Attribute-Based Encryption for Commercial Content Distribution

  • Hyoseung Kim
  • Seunghwan Park
  • Jong Hwan Park
  • Dong Hoon Lee
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 215)

Abstract

There is growing need for digital content distribution system in the IPTV market so that the content providers can make digital content available to users in a controlled manner. Digital right management technologies allow being able to restrict access to a content giving an access policy so content is available only to fair user. However, such a previous system has some problem in terms of management of user’s access information and computational cost for server. One of solutions to overcome the abovementioned problem is attribute-based encryption scheme providing access control to the encryption system. In this paper, we propose attribute based encryption scheme which is useful in contents distribution for IPTV, DVD and access control in encrypted file systems. Our attribute based encryption scheme allows for AND, OR, threshold and wildcard operations over attribute. Furthermore, our scheme achieves 0(1) pairings for decryption, regardless of any number of attributes.

Keywords

Attribute based encryption Content distribution Digital content Access control 

Notes

Acknowledgments

This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (No. 2012-0008697).

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Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  • Hyoseung Kim
    • 1
  • Seunghwan Park
    • 1
  • Jong Hwan Park
    • 1
  • Dong Hoon Lee
    • 1
  1. 1.Graduate School of Information SecurityKorea UniversitySeongbuk-guSouth Korea

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