Quantum anonymous veto: A set of new protocols

Mishra, Sandeep; Thapliyal, Kishore; Parakh, Abhishek; Pathak, Anirban

doi:10.48550/arxiv.2109.06260

Cited by 2 publications

(2 citation statements)

References 53 publications

(75 reference statements)

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“…Such issues were raised for the classical cryptographic schemes, too, but the advent of quantum cryptography [14] provided a new way forward for unconditionally secure cryptography [15,16,17]. The use of quantum states is currently being explored for providing unconditional security in various applications such as bit commitment [18,19,20], auctions [21,22], voting [23,24,25,26], multi-party computation [27]. Lottery is inherently related to quantum states as quantum mechanics has intrinsic randomness and lottery demands a complete randomization of the outcome [28].…”

Section: Introductionmentioning

confidence: 99%

Quantum and Semi-Quantum Lottery: Strategies and Advantages

Mishra¹,

Pathak²

2022

Preprint

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Lottery is a game in which multiple players take chances in the hope of getting some rewards in cash or kind. In addition, from the time of the early civilizations, lottery has also been considered as an apposite method to allocate scarce resources. Technically, any scheme for lottery needs to be fair and secure, but none of the classical schemes for lottery are unconditionally secure and fair. As fairness demands complete unpredictability of the outcome of the lottery, it essentially requires perfect randomness. Quantum mechanics not only guarantees the generation of perfect randomness, it can also provide unconditional security. Motivated by these facts, a set of strategies for performing lottery using different type of quantum resources (e.g., single photon states, and entangled states) are proposed here, and it's established that the proposed strategies leads to unconditionally secure and fair lottery schemes. A scheme for semi-quantum lottery that allows some classical users to participate in the lottery involving quantum resources is also proposed and the merits and demerits of all the proposed schemes are critically analysed. Its also established that the level of security is intrinsically related to the type of quantum resources being utilized. Further, its shown that the proposed schemes can be experimentally realized using currently available technology, and that may herald a new era of commercial lottery.

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Section: Introductionmentioning

confidence: 99%

Quantum and Semi-Quantum Lottery: Strategies and Advantages

Mishra¹,

Pathak²

2022

Preprint

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“…First semi-quantum protocol for QKD was proposed by Boyer et al in 2007 [70]. Subsequently, semi-quantum schemes have been proposed for various tasks [71][72][73][74]. However, no semi-quantum authentication protocol was proposed until 2019, although that was a basic requirement of semi-quantum QKD and other semi-quantum cryptographic schemes.…”

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A short review on quantum identity authentication protocols: How would Bob know that he is talking with Alice?

Dutta¹,

Pathak²

2021

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Secure communication has achieved a new dimension with the advent of the schemes of quantum key distribution (QKD) as in contrast to classical cryptography, quantum cryptography can provide unconditional security. However, a successful implementation of a scheme of QKD requires identity authentication as a prerequisite. A security loophole in the identity authentication scheme may lead to the vulnerability of the entire secure communication scheme. Consequently, identity authentication is extremely important and in the last three decades several schemes for identity authentication, using quantum resources have been proposed. The chronological development of these protocols, which are now referred to as quantum identity authentication (QIA) protocols, are briefly reviewed here with specific attention to the causal connection involved in their development. The existing protocols are classified on the basis of the required quantum resources and their relative merits and demerits are analyzed. Further, in the process of the classification of the protocols for QIA, it's observed that the existing protocols can also be classified in a few groups based on the [inherent computational tasks used to design the protocols. Realization of these symmetries has led to the possibility of designing a set of new protocols for quantum identity authentication, which are based on the existing schemes of the secure computational and communication tasks. The security of such protocols is also critically analyzed.

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Quantum anonymous veto: A set of new protocols

Cited by 2 publications

References 53 publications

Quantum and Semi-Quantum Lottery: Strategies and Advantages

Quantum and Semi-Quantum Lottery: Strategies and Advantages

A short review on quantum identity authentication protocols: How would Bob know that he is talking with Alice?

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