scholarly journals A Verifiable Arbitrated Quantum Signature Scheme Based on Controlled Quantum Teleportation

Entropy ◽  
2022 ◽  
Vol 24 (1) ◽  
pp. 111
Author(s):  
Dianjun Lu ◽  
Zhihui Li ◽  
Jing Yu ◽  
Zhaowei Han

In this paper, we present a verifiable arbitrated quantum signature scheme based on controlled quantum teleportation. The five-qubit entangled state functions as a quantum channel. The proposed scheme uses mutually unbiased bases particles as decoy particles and performs unitary operations on these decoy particles, applying the functional values of symmetric bivariate polynomial. As such, eavesdropping detection and identity authentication can both be executed. The security analysis shows that our scheme can neither be disavowed by the signatory nor denied by the verifier, and it cannot be forged by any malicious attacker.

Optik ◽  
2019 ◽  
Vol 189 ◽  
pp. 23-31 ◽  
Author(s):  
Xiangjun Xin ◽  
Qianqian He ◽  
Zhuo Wang ◽  
Qinglan Yang ◽  
Fagen Li

2016 ◽  
Vol 14 (08) ◽  
pp. 1650041 ◽  
Author(s):  
F. L. Chen ◽  
Z. F. Han

Group signature scheme is a method of allowing a member of a group to sign a message anonymously on behalf of the group. The group administrator is in charge of adding group members and has the ability to reveal the original signer in the event of disputes. Based on controlled quantum teleportation with three-particle entangled W states, we propose a new quantum group signature scheme with designated receiver. Security analysis proves that the proposed scheme possesses the characteristics of group signature and resists the usual attacks. Compared with previous proposed schemes, this scheme follows security definition of group signature fully and meets its basic requirements.


2021 ◽  
pp. 2150249
Author(s):  
Vikram Verma

In this paper, by utilizing a nine-qubit entangled state as a quantum channel, we propose new schemes for symmetric and asymmetric cyclic controlled quantum teleportation (CYCQT). In our proposed schemes, four participants Alice, Bob, Charlie and David teleport their unknown quantum states cyclically among themselves with the help of a controller Eve. No participants can reconstruct the original states sent from the respective senders without the permission of the controller. Also, by considering same nine-qubit entangled state as a quantum channel, we propose a generalized scheme for CYCQT of multi-qubit states. In contrast to the previous CYCQT schemes involving three communicators and a controller, there are four communicators and a controller in the proposed schemes. Also, compared with previous CYCQT schemes, our proposed CYCQT schemes require less consumption of quantum resource and the intrinsic efficiency of the generalized scheme increases with the increase of number of qubits in the information states.


2014 ◽  
Vol 23 (6) ◽  
pp. 060309 ◽  
Author(s):  
Chao Wang ◽  
Jian-Wei Liu ◽  
Tao Shang

2019 ◽  
Vol 18 (5) ◽  
Author(s):  
Yanyan Feng ◽  
Ronghua Shi ◽  
Jinjing Shi ◽  
Jian Zhou ◽  
Ying Guo

Sign in / Sign up

Export Citation Format

Share Document