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Cryptanalysis and improvement of a semi-quantum private comparison protocol based on Bell states

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14330%2F21%3A00129839" target="_blank" >RIV/00216224:14330/21:00129839 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1007/s11128-021-03178-x" target="_blank" >http://dx.doi.org/10.1007/s11128-021-03178-x</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1007/s11128-021-03178-x" target="_blank" >10.1007/s11128-021-03178-x</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Cryptanalysis and improvement of a semi-quantum private comparison protocol based on Bell states

  • Original language description

    Semi-quantum private comparison (SQPC) allows two participants with limited quantum ability to securely compare the equality of their secrets with the help of a semi-dishonest third party (TP). Recently, Jiang (Quantum Inf Process 19(6): 180, 2020) proposed a SQPC protocol based on Bell states and claimed it is secure. In this paper, we present two types of attack on Jiang's SQPC protocol. In the first type of attack, an outside eavesdropper can make participants accept a wrong result. In the second type of attack, a malicious participant not only can make the other participant accept an incorrect result, but also can learn the secret of the honest participant. Neither type of attack is possible to be detected. In addition, we propose an improved SQPC protocol that can resist these two types of attack.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10201 - Computer sciences, information science, bioinformathics (hardware development to be 2.2, social aspect to be 5.8)

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2021

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Quantum Information Processing

  • ISSN

    1570-0755

  • e-ISSN

  • Volume of the periodical

    20

  • Issue of the periodical within the volume

    7

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    16

  • Pages from-to

    1-16

  • UT code for WoS article

    000691583700002

  • EID of the result in the Scopus database

    2-s2.0-85110833818