An arbitrated quantum signature protocol based on the chained CNOT operations encryption

被引：34

作者：

Li, Feng-Guang ^{[1
]}

Shi, Jian-Hong ^{[1
,2
]}

机构：

[1] Zhengzhou Informat Sci & Technol Inst, Zhengzhou 450004, Peoples R China

[2] Sci & Technol Informat Assurance Lab, Beijing 100072, Peoples R China

来源：

QUANTUM INFORMATION PROCESSING | 2015年 / 14卷 / 06期

关键词：

Arbitrated quantum signature; Quantum one-time pad; Chained CNOT operations; UNCONDITIONAL SECURITY;

D O I：

10.1007/s11128-015-0981-5

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

At present, the encryption scheme used by most arbitrated quantum signature (AQS) protocols is quantum one-time pad (QOTP) which encrypts data qubit by qubit. Though QOTP can achieve high security for data encryption, it is not suitable for AQS. There are many attacks on AQS using QOTP. In this paper, we propose an AQS protocol based on another encryption scheme called the chained CNOT operations, which encrypts quantum message ensemble. Our protocol preserves all merits in the similar AQS schemes and has better security. Security analysis shows that our protocol cannot be forged and disavowed under the existing attacks.

引用

页码：2171 / 2181

页数：11