On the existence of loss-tolerant quantum oblivious transfer protocols

Oblivious transfer is the cryptographic primitive where Alice sends one of two bits to Bob but is oblivious to the bit received. Using quantum communication, we can build oblivious transfer protocols with security provably better than any protocol built using classical communication. However, with imperfect apparatus one needs to consider other attacks. In this paper we present an oblivious transfer protocol which is impervious to lost messages.

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