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Authentication protocols with nonrepudiation services in personal communication systems

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2 Author(s)
Hung-Yu Lin ; Comput. Sci. Dept., California State Univ., San Marcos, CA, USA ; Lein Harn

Through the combination of public-key digital signature and hash-chaining techniques, a new set of authentication protocols is proposed with the capability of arbitrating disputed bills. These protocols provide security services required by regular authentication protocols and are efficient in consideration of the specific personal communication systems (PCS) environment. They protect subscribers from incorrect service charges and provide service providers legal evidence to collect bills that are denied. They also help identify whether an accounting error, an internal fraud, or a security breach of the service provider causes the incorrect service charge.

Published in:

IEEE Communications Letters  (Volume:3 ,  Issue: 8 )