Quantum designated verifier signature without third party

Based on Bell states, a quantum designated verifier signature (QDVS) scheme without a third party is proposed. In this scheme, the signer and the designated verifier (DV) generate their private keys with the entangled system in the initial stage, then the signer performs quantum gate operations to g...

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Bibliographic Details
Published in:Quantum information processing 2023-12, Vol.22 (12), Article 452
Main Authors: Zhang, Ling, Zhang, Jia-Hao, Xin, Xiang-Jun, Li, Chao-Yang
Format: Article
Language:English
Subjects:
Data Structures and Information Theory
Mathematical Physics
Physics
Physics and Astronomy
Quantum Computing
Quantum Information Technology
Quantum Physics
Spintronics
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Summary:Based on Bell states, a quantum designated verifier signature (QDVS) scheme without a third party is proposed. In this scheme, the signer and the designated verifier (DV) generate their private keys with the entangled system in the initial stage, then the signer performs quantum gate operations to generate the signature; lastly, the DV recovers the digest and verifies the signature with the corresponding quantum gate operations. Security analysis shows that our QDVS scheme has the property of the designated verifier signature. At the same time, it can resist various attacks. What is more, compared with the similar schemes without third party, our scheme has relatively lower cost, higher efficiency, and more security.
ISSN:1573-1332
1573-1332
DOI:10.1007/s11128-023-04183-y