An Identity-Based Signcryption Scheme for Multi-domain Ad Hoc Networks

  • Authors:
  • Fagen Li;Yupu Hu;Chuanrong Zhang

  • Affiliations:
  • Key Laboratory of Computer Networks and Information Security, Xidian University, Xi'an 710071, China and School of Computer Science and Engineering, University of Electronic Science and Technology ...;Key Laboratory of Computer Networks and Information Security, Xidian University, Xi'an 710071, China;Key Laboratory of Computer Networks and Information Security, Xidian University, Xi'an 710071, China and Telecommunication Engineering Institute, Air Force Engineering University, Xi'an 710077, Ch ...

  • Venue:
  • ACNS '07 Proceedings of the 5th international conference on Applied Cryptography and Network Security
  • Year:
  • 2007

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Abstract

As various applications of wireless ad hoc networks have been proposed, security has become one of the big research challenges and is receiving increasing attention. Recently, Several security schemes for wireless ad hoc networks have been proposed using identity-based signcryption schemes. However, almost all identity-based signcryption schemes that have been proposed until now are based on a single private key generator, which is not suitable for multi-domain ad hoc networks. In this paper, we propose a new identity-based signcryption scheme based on multiple private key generators, which is more suitable for multi-domain ad hoc networks. We prove its semantical security under the Decisional Bilinear Diffie-Hellman assumption in the random oracle model.