一种基于量子超密编码的代理盲签名方案的研究  

Research on a Proxy Blind Signature Scheme Based on Quantum Superdense Coding

作　　者：王辉[1] 石润华[1] 仲红[1] 汪开婷 

机构地区：[1]安徽大学计算机科学与技术学院,安徽合肥230601

出　　处：《信息网络安全》2016年第11期28-32,共5页Netinfo Security

基　　金：国家自然科学基金[61173187;61173188;11301002];高等学校博士学科点专项科研基金[20133401110004];安徽省自然科学基金[11040606M141;1408085QF107];安徽大学博士科研启动经费项目[33190187];安徽大学"信息安全"新专业项目[17110099]

摘　　要：代理盲签名在电子投票系统、电子商务系统和网络环境等方面有着广泛的应用。文章结合当下电子银行支付的情况,综合考虑现实情形下的通信开销、量子操作复杂性、验证效率等相关因素,首次提出一种基于单粒子超密编码来盲化经典双比特信息的量子代理盲签名方案。该方案原理是利用单粒子在不同测量基下的测量,将经典比特信息传送到量子系统中。消息拥有者先将秘密盲化,代理签名者在经过授权后对盲化消息进行有效签名。与现今其他主流方案相比,该方案最大的优势是使用的量子资源大大减少,在不考虑检测粒子的情形下,至少节省了一半的粒子。此外,签名方在签名时仅需要单粒子测量,签名长度适宜,验证方在验证时也仅需要进行比对验证,不需要进行粒子操作,这使得验证签名效率和通信效率都有所提高。Proxy blind signature is widely applied to electronic voting, electronic commerce, and other network settings, etc. Combined with the situation of electronic bank payment, considering the correlative factors of the communication cost, the quantum operation complexity, and the verification efficiency, etc, the paper proposes a proxy blind signature scheme based on the single particle superdense coding to blind the classical double bits information. The principle of the scheme is that the classical bit information is transmitted to the quantum system using the measurement of single particle in different measurement bases, in which the owner of the message blinds the secret message first and then the proxy signer signs the blinded message after authorized. Under the situation of without considering the particles detection, compared with other current well-known schemes, the biggest advantage of the scheme is to save half of the particles at least. In addition, signature party only needs to measure single particle and the length of the signature is appropriate.The verification party only needs to verify by contrast, and not needs to carry out the particle operation. The efficiencies of the signature verification and communication are all improved.

关 键 词：量子信息 GHZ态 酉变换 代理盲签名 

分 类 号：TN918.91[电子电信—通信与信息系统]