多方互動量子秘密共享方案設計與分析
本文選題:信息安全 + 量子密碼; 參考:《東南大學》2016年碩士論文
【摘要】:隨著通信技術的發(fā)展、計算機的普及,信息安全問題逐步暴露在人們眼前,繼Snowden事件之后:2015年,社保系統(tǒng)被爆漏洞,社保成為了個人信息泄露的“重災區(qū)”;美國第二大醫(yī)療保險公司遭黑客攻擊,8000萬用戶資料受影響;……諸如此類的事件不斷被曝光,安全問題一次又一次被推上風口浪尖,人們因此更加關注信息安全問題,同時對保密通信以及信息的存儲提出了更高的要求。然而,隨著量子計算機的出現(xiàn),基于計算復雜性設計的經(jīng)典加密算法的安全性受到了嚴重威脅,量子密碼學應運而生。量子密碼學的研究基于粒子的“測不準原理”、“不可克隆原理”、“非正交量子態(tài)不可區(qū)分原理”等物理特性,其理論上是無條件安全的,F(xiàn)階段,量子密碼學可以分為量子密鑰分配、量子秘密共享、量子直接通信等重要領域分支。本論文主要研究領域是量子秘密共享,論文提出了一個多方互動量子秘密共享方案(MI-QSS),該方案有以下特性:1、MI-QSS具有良好的擴展性,通過簡單的操作就可以擴展至多方使用;2、MI-QSS同時彌補了現(xiàn)有Hsu等人提出的動態(tài)量子秘密共享方案(DQSS)的一個有關聯(lián)合攻擊的安全性漏洞;3、本論文經(jīng)過理論分析得出,MI-QSS方案可以抵御“截獲重發(fā)攻擊”、“聯(lián)合攻擊”、“糾纏攻擊”;4、MI-QSS方案還保證了每個參與者的平等性,即每個參與者都可以通過該方案發(fā)送需要加密的信息;5、MI-QSS可運用于一種更加公平的無仲裁者的搶答游戲中,即可以有效避免仲裁者徇私舞弊的現(xiàn)象。在今后的工作中,我們將進一步對MI-QSS做改進以擴大其適用性,使其可以在更加復雜的環(huán)境中應用。
[Abstract]:With the development of communication technology and the popularization of computers, the problem of information security is gradually exposed to people's eyes. After the Snowden incident: in 2015, the social security system was exploded, and social security became a "disaster area" where personal information leaked; The second largest health insurance company in the United States was hacked, affecting 80 million users. Such incidents have been exposed and security issues have been pushed to the forefront again and again, thus people pay more attention to information security issues, and put forward higher requirements for secure communication and storage of information. However, with the emergence of quantum computers, the security of classical encryption algorithms based on computational complexity is seriously threatened, and quantum cryptography emerges as the times require. The study of quantum cryptography is based on the physical properties of particle uncertainty principle, non-cloning principle and non-orthogonal quantum state indistinguishable principle, which is theoretically unconditionally secure. At present, quantum cryptography can be divided into quantum key distribution, quantum secret sharing, quantum direct communication and other important branches. The main research field of this thesis is quantum secret sharing. In this paper, a multi-party interactive quantum secret sharing scheme (MI-QSS) is proposed. The scheme has the following characteristics: 1 / 1 / MI-QSS has good expansibility. By simple operation, it can be extended to multiparty use of MI-QSS and make up for a security loophole of the existing dynamic quantum secret sharing scheme (DQSS) proposed by Hsu et al. In this paper, through theoretical analysis, we can get the conclusion of MI-QSS. The scheme can resist "intercepting retransmission attacks", The "joint attack," "entanglement attack," MI-QSS scheme also guarantees equality for each participant, that is, each participant can send messages that need to be encrypted through the scheme. Namely can effectively avoid the phenomenon that arbitrators practice favoritism and malpractice. In future work, we will further improve MI-QSS to extend its applicability to more complex environments.
【學位授予單位】:東南大學
【學位級別】:碩士
【學位授予年份】:2016
【分類號】:TN918.1;O413
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