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Efficient fair digital-signature exchange based on misbehaviour penalisation

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5 Author(s)
Zhang, N. ; Dept. of Comput. Sci., Univ. of Manchester, UK ; Shi, Q. ; Nenadic, A. ; Merabti, M.
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A protocol is presented for the fair digital-signature exchange commonly seen in e-commerce systems. The protocol incorporates a novel approach for the recovery of a signature with the assistance of an offline trusted third party that can impose a penalty on a misbehaving party. This new approach enables the protocol to achieve fairness in a simpler and more efficient manner than other relevant fair exchange protocols, while being able to deter a dishonest party from misbehaving.

Published in:

Communications, IEE Proceedings-  (Volume:152 ,  Issue: 3 )