Group Signatures with Designated Traceability over Openers' Attributes

Hiroaki Anada; Masayuki Fukumitsu; Shingo Hasegawa

Paper 2022/962

Group Signatures with Designated Traceability over Openers' Attributes

Hiroaki Anada

, Meiji Gakuin University

Masayuki Fukumitsu

, University of Nagasaki

Shingo Hasegawa

, Fukushima University

Abstract

We propose a group signature scheme with a function of designated traceability; each opener has attributes, and a signer of a group signature can be traced by only the openers whose attributes satisfy the boolean formula designated by the signer. We describe syntax and security definitions of the scheme. Then we give a generic construction of the scheme by employing a ciphertext-policy attribute-based encryption scheme.

Note: Obvious typos were corrected.

Metadata

Available format(s): PDF
Category: Public-key cryptography
Publication info: Published elsewhere. Major revision. CANDAR 2021: The Ninth International Symposium on Computing and Networking
DOI: 10.1109/CANDAR53791.2021.00017
Keywords: group signatures anonymity traceability accountability openers attribute-based
Contact author(s): hiroaki anada @ mi meijigakuin ac jp
fukumitsu @ sun ac jp
hasegawa @ sss fukushima-u ac jp
History: 2024-10-25: last of 2 revisions; 2022-07-26: received; See all versions
Short URL: https://ia.cr/2022/962
License: CC0

BibTeX

@misc{cryptoeprint:2022/962,
      author = {Hiroaki Anada and Masayuki Fukumitsu and Shingo Hasegawa},
      title = {Group Signatures with Designated Traceability over Openers' Attributes},
      howpublished = {Cryptology {ePrint} Archive, Paper 2022/962},
      year = {2022},
      doi = {10.1109/CANDAR53791.2021.00017},
      url = {https://eprint.iacr.org/2022/962}
}