Efficient certificate-based signcryption scheme from bilinear pairings

  • Authors:
  • F. Li;X. Xin;Y. Hu

  • Affiliations:
  • University of Electronic Science and Technology of China, Chengdu, P.R. China;Zhengzhou University of Light Industry, Zhengzhou, P.R. China;Xidian University, Xi'an, P.R. China

  • Venue:
  • International Journal of Computers and Applications
  • Year:
  • 2008

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Abstract

Signcryption is a public key cryptographic primitive that performs digital signature and public key encryption simultaneously, at lower computational costs and communication overheads than the signature-then-encryption approach. In this paper, an efficient certificate-based signcryption scheme based on bilinear pairings is proposed. As compared to traditional and identity-based signcryption schemes, the proposed scheme has the following advantages: it provides implicit certification; it does not have the private key escrow feature of identity-based signcryption schemes, we also analyze the proposed scheme from security and performance points of view.