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    • A Quantum Resistant Anonymous Poxy Signature Scheme

      SWATI RAWAL SAHADEO PADHYE

      Volume 47 Published: 16 February 2022 Article ID 0041

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/sadh/047/0041

    • Keywords

       

      Lattice-based digital signature; proxy signature; anonymous proxy signature.

    • Abstract

       

      Proxy signature was first coined by Mambo et al to carry out the signing procedure even in the absence of the original signer to sign the required document. Moreover, occasionally anonymity of proxy signers is required so that no one can reveal their identity, including the original signer. The paper thus proposes a quantum-safe anonymous proxy signature, which provides anonymity to the proxy signers based on the worstcase hardness of lattice problems. The construction is proved to be unforgeable against the adaptive chosen message attacks against the hardness of the small integer solution problem.

    • Author Affiliations

       

      SWATI RAWAL1 SAHADEO PADHYE1

      1. Department of Mathematics, Motilal Nehru National Institute of Technology Allahabad, Prayagraj 211004, India

    • Dates

       
      Published
      16 February 2022
      Manuscript received
      29 June 2021
      Manuscript revised
      5 December 2021
      Accepted
      6 January 2022

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