Paper 2022/962

Group Signatures with Designated Traceability over Openers' Attributes

Hiroaki Anada, Aomori University
Masayuki Fukumitsu, University of Nagasaki
Shingo Hasegawa, Tohoku University

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.

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Available format(s)
Public-key cryptography
Publication info
Published elsewhere. CANDAR 2021: The Ninth International Symposium on Computing and Networking
group signature traceability openers attribute-based
Contact author(s)
anada @ aomori-u ac jp
fukumitsu @ sun ac jp
shingo hasegawa b7 @ tohoku ac jp
2022-07-28: approved
2022-07-26: received
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      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},
      note = {\url{}},
      url = {}
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