A Note on Security Definitions for Secret Sharing with Certified Deletion

Dominique Bazin; Ryo Nishimaki

Paper 2024/1690

A Note on Security Definitions for Secret Sharing with Certified Deletion

Dominique Bazin, DIENS, ENS, PSL University

Ryo Nishimaki

, NTT Social Informatics Laboratories

Abstract

Bartusek and Raizes (CRYPTO 2024) proposed two security definitions for secret sharing, no-signaling certified deletion and adaptive certified deletion. We prove that adaptive certified deletion does not imply no-signaling certified deletion.

Metadata

Available format(s): PDF
Category: Foundations
Publication info: Preprint.
Keywords: Secret sharing Certified deletion
Contact author(s): dominique bazin @ ens psl eu
ryo nishimaki @ ntt com
History: 2024-10-18: approved; 2024-10-17: received; See all versions
Short URL: https://ia.cr/2024/1690
License: CC BY

BibTeX

@misc{cryptoeprint:2024/1690,
      author = {Dominique Bazin and Ryo Nishimaki},
      title = {A Note on Security Definitions for Secret Sharing with Certified Deletion},
      howpublished = {Cryptology {ePrint} Archive, Paper 2024/1690},
      year = {2024},
      url = {https://eprint.iacr.org/2024/1690}
}