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- Title
Public-key quantum signature based on phase shift operation.
- Authors
Qin, Huawang; Xu, Hao; Tang, Wallace K. S.
- Abstract
A public-key quantum signature (QS) scheme is proposed, in which the phase shift is the private key and the quantum state after the phase shift operation is the public key. The signatory uses the private key to encode the quantum state, and uses the Bell measurement to generate the signature. The receiver performs the unitary operation according to the signature, and then compares the quantum state with the public key to verify the signature. Our scheme does not need a trusted arbitrator, and the signature can be verified by the receiver publicly. Compared to the existing arbitrated QS scheme, our scheme will be more practical.
- Subjects
QUANTUM states; QUANTUM cryptography; ARBITRATORS
- Publication
Modern Physics Letters B, 2020, Vol 34, Issue 6, pN.PAG
- ISSN
0217-9849
- Publication type
Article
- DOI
10.1142/S0217984920500840