Journal
IEEE COMMUNICATIONS LETTERS
Volume 16, Issue 8, Pages 1270-1273Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LCOMM.2012.061912.120941
Keywords
Wireless networks; security; privacy; efficiency; handover authentication
Categories
Funding
- Scholarship Award for Excellent Doctoral Student
- Ministry of Education, National Science Foundation of China [61070155]
- Program for New Century Excellent Talents in University [NCET-09-0685]
- Fundamental Research Funds for the Central Universities [2012FZA5017]
- Research Grants Council of the Hong Kong SAR, China [CityU 111208]
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A handover authentication protocol in mobile networks enables mobile nodes to securely and seamlessly roam over multiple access points. Many such protocols have been proposed but shown to be either insecure or inefficient. Very recently, a novel handover authentication protocol named PairHand was proposed, which has been shown to outperform all other protocols in terms of security and efficiency. However, we identify an inherent design weakness in the handover authentication phase of PairHand, and demonstrate that under certain circumstances it is vulnerable to a session key compromised problem. Further, we propose a simple modification to fix the identified security problem without losing any features (such as high efficiency and robust security) of PairHand. Experiments using our implementation on Laptop PCs show that the suggested modification is applicable in real world applications.
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