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@article{1406992, author = {Plesch, Martin and Pawlowski, Marcin and Pivoluska, Matej}, article_number = {4}, doi = {http://dx.doi.org/10.1103/PhysRevA.95.042324}, keywords = {cryptography; oblivious transfer; quantum cryptography}, language = {eng}, issn = {2469-9926}, journal = {Physical Review A}, title = {1-out-of-2 oblivious transfer using a flawed bit-string quantum protocol}, url = {http://dx.doi.org/10.1103/PhysRevA.95.042324}, volume = {95}, year = {2017} }
TY - JOUR ID - 1406992 AU - Plesch, Martin - Pawlowski, Marcin - Pivoluska, Matej PY - 2017 TI - 1-out-of-2 oblivious transfer using a flawed bit-string quantum protocol JF - Physical Review A VL - 95 IS - 4 SP - "042324-1"-"042324-6" EP - "042324-1"-"042324-6" SN - 24699926 KW - cryptography KW - oblivious transfer KW - quantum cryptography UR - http://dx.doi.org/10.1103/PhysRevA.95.042324 N2 - Oblivious transfer (OT) is an important tool in cryptography. It serves as a subroutine to other complex procedures of both theoretical and practical significance. A common attribute of OT protocols is that one party (Alice) has to send a message to another party (Bob) and has to stay oblivious to whether Bob did receive the message. Specific (OT) protocols vary by exact definition of the task—in the all-or-nothing protocol, Alice sends a single bit-string message, which Bob is able to read with only 50% probability, whereas in a 1-out-of-2 OT protocol Bob reads one out of two messages sent by Alice. These two flavors of protocol are known to be equivalent. Recently, a computationally secure all-or-nothing OT protocol based on quantum states was developed by A. Souto et al. [Phys. Rev. A91,042306(2015)], which, however, cannot be reduced to a 1-out-of-2 OT protocol by standard means. Here we present an elaborate reduction of this protocol that retains the security of the original. ER -
PLESCH, Martin, Marcin PAWLOWSKI a Matej PIVOLUSKA. 1-out-of-2 oblivious transfer using a flawed bit-string quantum protocol. \textit{Physical Review A}. 2017, roč.~95, č.~4, s.~''042324-1''-''042324-6'', 6 s. ISSN~2469-9926. Dostupné z: https://dx.doi.org/10.1103/PhysRevA.95.042324.
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