本文選題：醫(yī)療社交網(wǎng)絡(luò) + 隱私保護(hù)　； 參考：《西安電子科技大學(xué)》2014年碩士論文

【摘要】：隨著無線網(wǎng)絡(luò)和醫(yī)療傳感器的發(fā)展,無線醫(yī)療系統(tǒng)的發(fā)展特別迅猛,在為病人提供各種醫(yī)療服務(wù)的同時(shí),也為病人和醫(yī)生都帶來了極大的便利。隨著物質(zhì)文明的不斷發(fā)展,精神文明也不甘落后。病人在接受各種身體上服務(wù)的同時(shí),也需要來自與自己有著相似經(jīng)歷或癥狀的病人的心理安慰與疏導(dǎo)。尤其是當(dāng)病人患有某種特別痛苦或者尷尬的疾病的時(shí)候,病人往往更需要心理上的支持與鼓勵(lì)。醫(yī)療社交網(wǎng)絡(luò)(HSNs)為醫(yī)生和病人共享醫(yī)療信息提供了一個(gè)很有前景的應(yīng)用平臺(tái)。在HSNs中病人之間可以相互鼓勵(lì),交換意見并且共享醫(yī)療信息。由于醫(yī)療數(shù)據(jù)和病人身份的敏感性,所以我們要保證這些信息的機(jī)密性。在這個(gè)環(huán)境中,我們既要保證病人的醫(yī)療數(shù)據(jù)安全,又要保證病人的身份信息不被泄露。因此,我們針對(duì)HSNs中用戶的隱私安全問題,提出了一個(gè)解決方案,并以此為重點(diǎn)展開討論。本文主要研究?jī)?nèi)容如下所示：1.分析了醫(yī)療社交網(wǎng)絡(luò)的研究背景以及國(guó)內(nèi)外發(fā)展現(xiàn)狀,詳細(xì)介紹醫(yī)療社交網(wǎng)絡(luò)的相關(guān)知識(shí)與主要技術(shù)問題,其中重點(diǎn)研究各種醫(yī)療社交網(wǎng)絡(luò)的發(fā)展前景以及目前主要存在的一些隱私安全問題,并對(duì)這些隱私安全問題展開討論。2.介紹基于身份加密的研究背景和意義以及其研究現(xiàn)狀。而基于屬性加密是將用戶身份唯一標(biāo)識(shí)符的概念泛化為表示用戶身份的屬性集合,這些屬性集合由一個(gè)或多個(gè)屬性組成。接著介紹了基于屬性加密的相關(guān)技術(shù)理論和研究背景,以及基于屬性環(huán)簽名的匿名隱私保護(hù)技術(shù)。3.本文介紹一種隱私保護(hù)的基于屬性環(huán)簽密方案,基于對(duì)病人用戶醫(yī)療數(shù)據(jù)和身份特征的研究及其特性分析,提出一種隱私保護(hù)的基于屬性環(huán)簽密方案。HSN用戶被附上一些被歸一化的屬性。我們將一個(gè)用戶隱藏在一個(gè)擁有某些跟他一樣屬性的用戶環(huán)中。在這個(gè)環(huán)中,病人之間可以相互交流,不會(huì)泄露彼此的身份信息,環(huán)外的人不會(huì)得到任何的信息。而且,我們對(duì)信息同時(shí)進(jìn)行了環(huán)簽名和加密操作,即在保護(hù)用戶醫(yī)療數(shù)據(jù)安全的同時(shí),也保證了病人用戶的身份隱私安全。并且,在一個(gè)步驟中同時(shí)進(jìn)行簽名和加密操作會(huì)減小計(jì)算開銷,所以,我們的方案會(huì)節(jié)省資源。在文章的最后,我們通過形式化證明,證明了該方案的正確性和匿名性,并對(duì)方案進(jìn)行了安全性證明,以及計(jì)算開銷和通信開銷作出相應(yīng)分析。最終,我們證明了本方案的可行性,并對(duì)醫(yī)療社交網(wǎng)絡(luò)未來的發(fā)展前景給出了相關(guān)分析。
[Abstract]:With the development of wireless networks and medical sensors, the wireless medical system is developing rapidly. It not only provides various medical services for patients, but also brings great convenience to patients and doctors. With the constant development of material civilization, spiritual civilization is not willing to lag behind. While receiving various physical services, patients also need psychological comfort and guidance from patients with similar experiences or symptoms. Especially when patients suffer from a particularly painful or embarrassing disease, they often need psychological support and encouragement. HSNs provides a promising platform for doctors and patients to share medical information. In HSNs, patients can encourage each other, exchange opinions, and share medical information. Because of the sensitivity of medical data and patient identity, we must ensure that this information is confidential. In this environment, we must not only ensure the patient's medical data security, but also ensure that the patient's identity information is not leaked. Therefore, we propose a solution to the privacy security of users in HSNs, and focus on it. The main contents of this paper are as follows: 1. This paper analyzes the research background of medical social network and its development at home and abroad, and introduces the related knowledge and main technical problems of medical social network in detail. It focuses on the development prospects of various medical social networks and some privacy security problems, and discusses these privacy security issues. This paper introduces the background and significance of ID-based encryption and its research status. Based on attribute encryption, the concept of unique identifier of user identity is generalized into a set of attributes representing user identity, which is composed of one or more attributes. Then it introduces the theory and research background of attribute encryption and the anonymous privacy protection technology based on attribute ring signature. In this paper, a privacy protection scheme based on attribute ring signcryption is introduced, which is based on the research and analysis of the medical data and identity of patients. This paper proposes a privacy protection based on attribute ring signcryption scheme. HSN users are attached with some normalized attributes. We hide a user in a user ring that has some of the same attributes as him. In this ring, patients can communicate with each other, do not reveal each other's identity information, people outside the ring will not get any information. Moreover, the information is signed and encrypted simultaneously, which not only protects the user's medical data security, but also ensures the patient's identity and privacy. Moreover, both signature and encryption in one step can reduce computational overhead, so our scheme will save resources. At the end of the paper, we prove the correctness and anonymity of the scheme through formal proof, and prove the security of the scheme, and analyze the computational overhead and communication overhead accordingly. Finally, we prove the feasibility of this scheme, and give a related analysis on the future development of medical social network.
【學(xué)位授予單位】：西安電子科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TN918.4

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