[Resource Topic] 2022/962: Group Signatures with Designated Traceability over Openers' Attributes

Welcome to the resource topic for 2022/962

Title:
Group Signatures with Designated Traceability over Openers’ Attributes

Authors: Hiroaki Anada, Masayuki Fukumitsu, and Shingo Hasegawa

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.

ePrint: https://eprint.iacr.org/2022/962

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