An authentication and key exchange protocol for secure credential services

Authors:
SeongHan Shin;Kazukuni Kobara;Hideki Imai
Affiliations:
Research Center for Information Security (RCIS), National Institute of Advanced Industrial Science and Technology (AIST), Tokyo, Japan;Research Center for Information Security (RCIS), National Institute of Advanced Industrial Science and Technology (AIST), Tokyo, Japan;Research Center for Information Security (RCIS), National Institute of Advanced Industrial Science and Technology (AIST), Tokyo, Japan
Venue:
ISC'06 Proceedings of the 9th international conference on Information Security
Year:
2006

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Abstract

In this paper, we propose a leakage-resilient and proactive authenticated key exchange (called LRP-AKE) protocol for credential services which provides not only a higher level of security against leakage of stored secrets but also secrecy of private key with respect to the involving server. The LRP-AKE protocol is provably secure in the random oracle model with the reduction to the computational Diffie-Hellman problem.