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Analysis of a Key-Escrow Free Multi-Signature Scheme

Mehbub Alam and Subhas Chandra Sahana

Early research work — cryptanalysis of multi-signature schemes, 2017

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Abstract

The abstract for this paper is available on the publisher's page.

Research Highlights

  1. Analyzed an existing key-escrow free multi-signature scheme formulated from bilinear pairings and the blinding-binding technique.
  2. Found that the sequential multi-signature scheme proposed by the authors does not follow the characteristics of an ideal sequential multi-signature scheme, leading to inefficiency.
  3. Moreover, the existing parallel multi-signature scheme is not verifiable.
  4. We modified both schemes and designed an efficient new sequential multi-signature scheme and a parallel multi-signature scheme.

Record note. No record for this work was found on any publisher or DOI platform; it is listed here as early research work rather than as a formally indexed publication.