All existing quantum oblivious transfer protocols can be achieved when all the members have to be quantum. So what will happen if not all the members are quantum? In this paper, we propose two novel protocols for all-or-nothing oblivious transfer and one-out-of-two oblivious transfer respectively by using single qubit states. Our contribution lies in the fact that the message receiver Bob can use fewer quantum resources so that our protocols relax the requirements of protocol implementation in practice. We analyze the security of the protocols and prove that they are secure against Bob who even has the quantum attack capability.
Quantum Information Processing – Springer Journals
Published: May 23, 2015
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