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Physica Scripta

A group signature scheme based on quantum teleportation

Xiaojun Wen, Yuan Tian, Liping Ji, Xiamu Niu

Published Apr 9, 2010• 89 citations
Publisher

Abstract

In this paper, we present a group signature scheme using quantum teleportation. Different from classical group signature and current quantum signature schemes, which could only deliver either group signature or unconditional security, our scheme guarantees both by adopting quantum key preparation, quantum encryption algorithm and quantum teleportation. Security analysis proved that our scheme has the characteristics of group signature, non-counterfeit, non-disavowal, blindness and traceability. Our quantum group signature scheme has a foreseeable application in the e-payment system, e-government, e-business, etc.

DOI
10.1088/0031-8949/81/05/055001

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In this paper, we present a group signature scheme using quantum teleportation. Different from classical group signature and current quantum signature schemes, which could only deliver either group signature or unconditional security, our scheme guarantees both by adopting quantum key preparation, quantum encryption algorithm and quantum teleportation. Security analysis proved that our scheme has the characteristics of group signature, non-counterfeit, non-disavowal, blindness and traceability. Our quantum group signature scheme has a foreseeable application in the e-payment system, e-government, e-business, etc.
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A new e-payment system based on quantum blind and group signature is proposed.Existed e-payment systems which based on the classical cryptography cannot guarantee the security because of the unsecure of classical blind and group signature.Compared with the classical e-payment system,this quantum e-payment scheme can realize not only the function of e-payment but also the unconditionally security.To achieve that,quantum key distribution,one-time pad and quantum blind and group signatures are adopted in this scheme.Moreover,the mechanism of audit is introduced to detect the forgery.
In this paper, a new E-payment system based on quantum blind and group signature is proposed. Existing E-payment systems based on classical cryptography cannot guarantee the security with the emergency of quantum computers. Compared to the existing E-payment system, our quantum E-payment scheme could protect not only the user's anonymity but also the inner structure of customer group. In addition, our system adopts quantum key distribution, one-time pad, and audit mechanism to ensure unconditional security.
Security and anonymity are essential to E-payment systems. However, existing E-payment systems will easily be broken into soon with the emergence of quantum computers. In this paper, we propose an E-payment system based on quantum group signature. In contrast to classical E-payment systems, our quantum E-payment system can protect not only the users' anonymity but also the inner structure of customer groups. Because of adopting the two techniques of quantum key distribution, a one-time pad and quantum group signature, unconditional security of our E-payment system is guaranteed.
In this paper, we propose a multi-group e-commerce signature scheme based on quantum teleportation and Bell states. Compared with the recent quantum group signature scheme, what our scheme has optimised is the traditional signature model with only one group manager and the utilisation of quantum resources. By setting up different group managers in different groups, the scheme promotes the traditional signature model into a more practical situation and can be easily used in e-payment system. In addition, the quantum teleportation and Pauli operations based on the Bell states are used in the transaction process, and these techniques can also be easily implemented under practical situations. Finally, the security analysis shows that the scheme can defend against different attacks from internal and external sources, including intercepting resend attacks and entanglement attacks. It also proves that the scheme is reliable, safe and effective facing with denial and forgery.
This paper introduces a secure quantum group blind signature (QGBS) based on entanglement swapping. The scheme designed in this article ensures group blind signature and unconditional security by using quantum key distribution (QKD), quantum encryption algorithm, XOR operation and entanglement swapping. The results show that the protocol is not only completely blind, unforgeability, and non-repudiation, but also capable of resisting eavesdropper attacks. In addition, the analysis of the scheme's resistance to various attacks reveals that it demonstrates both efficiency and security.