On key distribution and authentication in mobile radio networks

  • Authors:
  • Choonsik Park;Kaoru Kurosawa;Tatsuaki Okamoto;Shigeo Tsujii

  • Affiliations:
  • Tokyo Institute of Technology, Japan;Tokyo Institute of Technology, Japan;Nippon Telegraph and Telephone Corporation, Japan;Tokyo Institute of Technology, Japan

  • Venue:
  • EUROCRYPT '93 Workshop on the theory and application of cryptographic techniques on Advances in cryptology
  • Year:
  • 1994

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Abstract

Mobile communication networks need public key cryptosystems that offer both low computation cost and user authentication. Tatebayashi et al. showed such a key distribution protocol for such networks at CRYPTO'89 based on low exponent RSA. This paper shows that their protocol is not secure. We also present a new secure and efficient key distribution protocol.