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Deniable ring signature scheme based on the ISRSAC digital signature algorithm.
Yanshuo Zhang1, Yuqi Yuan1, Ning Liu1
1Department of Cryptology Science and Technology, Beijing Electronic Science & Technology Institute, Beijing, China.
Peerj. Computer Science
|December 17, 2024
Summary
This study presents a novel deniable ring signature scheme for secure anonymous communication. The scheme allows signers to deny their role, enhancing privacy while enabling accountability in regulated environments.
Area of Science:
- Cryptography
- Information Security
- Computer Science
Background:
- Ring signatures offer anonymity but lack deniability.
- Existing deniable schemes may not meet regulatory oversight needs.
- Balancing privacy with accountability is essential in digital systems.
Purpose of the Study:
- Introduce a novel deniable ring signature scheme.
- Enable signers to assert or deny their role without a trusted third party.
- Provide a mechanism for accountability in regulated environments.
Main Methods:
- Developed a deniable ring signature scheme based on the ISRSAC digital signature.
- Formally validated correctness, unforgeability, anonymity, traceability, and non-frameability.
- Conducted comparative analysis of communication and computational overheads.
Main Results:
- The proposed scheme offers robust security properties including anonymity and traceability.
- Demonstrated superiority in practical scenarios compared to existing methods.
- Achieved a balance between privacy protection and regulatory oversight.
Conclusions:
- The novel deniable ring signature scheme effectively addresses the need for privacy and accountability.
- The scheme is suitable for applications like electronic auctions and anonymous reporting.
- This work advances the field of applied cryptography for secure digital interactions.
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