Secret Sharing on Evolving Multi-level Access Structure

Sabyasachi Dutta, Partha Sarathi Roy, Kazuhide Fukushima, Shinsaku Kiyomoto, Kouichi Sakurai

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

2 被引用数 (Scopus)

抄録

Secret sharing is a process that allows storing secret information in a distributed manner among several participants. In the original setting of secret sharing schemes, it was assumed that the total number of participants is fixed from the very beginning. However, to meet the state of the art needs, it is required to consider the scenario where any time a new participant can join and the total number of participants is (possibly) unbounded. Evolving secret sharing solves the problem. Secret sharing for evolving threshold access structure has been considered in the last few years. Here, we consider the Multi-level access structures. More specifically, we consider evolving compartmental and hierarchical access structures. We provide constructions with the estimation of share sizes.

本文言語英語
ホスト出版物のタイトルInformation Security Applications - 20th International Conference, WISA 2019, Revised Selected Papers
編集者Ilsun You
出版社Springer
ページ180-191
ページ数12
ISBN(印刷版)9783030393021
DOI
出版ステータス出版済み - 2020
イベント20th World Conference on Information Security Applications, WISA 2019 - Jeju Island, 大韓民国
継続期間: 8 21 20198 24 2019

出版物シリーズ

名前Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
11897 LNCS
ISSN(印刷版)0302-9743
ISSN(電子版)1611-3349

会議

会議20th World Conference on Information Security Applications, WISA 2019
国/地域大韓民国
CityJeju Island
Period8/21/198/24/19

All Science Journal Classification (ASJC) codes

  • 理論的コンピュータサイエンス
  • コンピュータ サイエンス(全般)

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