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Identity-based key distribution for mobile Ad Hoc networks

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Abstract

An identity-based cryptosystem can make a special contribution to building key distribution and management architectures in resource-constrained mobile ad hoc networks since it does not suffer from certificate management problems. In this paper, based on a lightweight cryptosystem, elliptic curve cryptography (ECC), we propose an identity-based distributed key-distribution protocol for mobile ad hoc networks. In this protocol, using secret sharing, we build a virtual private key generator which calculates one part of a user’s secret key and sends it to the user via public channels, while, the other part of the secret key is generated by the user. So, the secret key of the user is generated collaboratively by the virtual authority and the user. Each has half of the secret information about the secret key of the user. Thus there is no secret key distribution problem. In addition, the user’s secret key is known only to the user itself, therefore there is no key escrow.

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Authors and Affiliations

  1. State Key Laboratory of Integrated Service Networks, Xidian University, Xi’an, 710071, China

    Xixiang Lv, Hui Li & Baocang Wang

  2. State Key Laboratory of Information Security, Institute of Software, Chinese Academy of Sciences, Beijing, 100049, China

    Baocang Wang

Authors
  1. Xixiang Lv
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  2. Hui Li
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  3. Baocang Wang
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Corresponding author

Correspondence to Xixiang Lv.

Additional information

Dr. Xixiang Lv studied in Xidian University from 1997 to 2007 and received her respective MSc and PhD in cryptography in 2004 and 2007. She is now an associate professor of Xidian University. Her research interests lie in information security and wireless network security.

Dr. Hui Li received his BE from Fudan University in 1990, and his PhD in Communication and Electronic Engineering from Xidian University in 1998. He has published around 30 academic papers in the areas of information security and coding theory. His research interests include information security, coding theory and wireless network security.

Dr. Baocang Wang received his BSc in Computational Mathematics and their Application Software in 2001, his MSc in 2004 and PhD 2006, both in Cryptology, all from Xidian University. Currently, he is an associate professor in the Department of Telecommunication Engineering, Xidian University. His research interests lie in cryptography and network security.

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Lv, X., Li, H. & Wang, B. Identity-based key distribution for mobile Ad Hoc networks. Front. Comput. Sci. China 5, 442–447 (2011). https://doi.org/10.1007/s11704-011-0197-5

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  • DOI: https://doi.org/10.1007/s11704-011-0197-5

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