Adaptive oblivious transfer with access control from lattice assumptions

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Abstract

Adaptive oblivious transfer (OT) is a protocol where a sender initially commits to a database {Mi}i=1N. Then, a receiver can query the sender up to k times with private indexes ρ1, …, ρk so as to obtain Mρ1,…,Mρk and nothing else. Moreover, for each i∈ [k], the receiver’s choice ρi may depend on previously obtained messages {Mρj}j

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Libert, B., Ling, S., Mouhartem, F., Nguyen, K., & Wang, H. (2017). Adaptive oblivious transfer with access control from lattice assumptions. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 10624 LNCS, pp. 533–563). Springer Verlag. https://doi.org/10.1007/978-3-319-70694-8_19

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