Journal of Korea Multimedia Society (한국멀티미디어학회논문지)

Korea Multimedia Society (한국멀티미디어학회)
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Flexible Video Authentication based on Aggregate Signature

  • Shin, Weon (Department of Information Security, Tongmyong University) ;
  • Hong, Young-Jin (Department of Electrical & Electronic Engineering, Tongmyong University) ;
  • Lee, Won-Young (Department of Information Security, Pukyong National University) ;
  • Rhee, Kyung-Hyune (Division of Electronic, Computer and Telecommunications Engineering, Pukyong National University)
  • Published : 2009.06.30
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Abstract

In this paper we propose a flexible video authentication scheme based on aggregate signature, which provides authenticity of a digital video by means of cryptographic signature to guarantee right of users. In contrast to previous works, the proposed scheme provides flexible usages on content distribution system, and it allows addition of new contents to the signed contents and deletion of some parts of the signed contents. A modification can be done by content owner or others. Although contents are modified by one or more users, our scheme can guarantee each user's right by aggregation of the each user's signatures. Moreover, proposed scheme has half size of Digital Signature Algorithm (DSA) with comparable security.

Keywords

References

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