政大機構典藏-National Chengchi University Institutional Repository(NCCUR):Item 140.119/139000

政大機構典藏-National Chengchi University Institutional Repository(NCCUR):Item 140.119/139000

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政大機構典藏 > 資訊學院 > 資訊科學系碩士在職專班 > 學位論文 > Item 140.119/139000

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题名:	應用ECQV自簽名憑證於遠距醫療之研究 A Study on ECQV Selfsigned Certificate on Telemedicine
作者:	洪士晟 Hung, Shih-Sheng
贡献者:	左瑞麟 Tso, Ray-lin 洪士晟 Hung, Shih-Sheng
关键词:	遠距醫療 Hyperledger Fabric 隱式憑證 Elliptic Curve Qu-Vanstone（ECQV） Telemedicine Hyperledger Fabric Implicit certificate Elliptic Curve Qu-Vanstone(ECQV)
日期:	2021
上传时间:	2022-02-10 13:21:43 (UTC+8)
摘要:	隨著科技與通訊技術發展，遠距醫療改善醫療資源分配不均的問題，縮短醫療機構與病人的距離。遠距醫療服務除了提供優質的醫療品質，如何保障病人資料隱私性、通訊設備資料傳輸安全與有限度的共享醫療資料，也是重要的課題。 Hewa 等人（2020）提出「遠距醫療平台」，於物聯網裝置與網路傳輸能力有限之場景，使用具有儲存空間較小、計算速度較快的 Elliptic Curve QuVanstone （ECQV）隱式憑證作為安全性標準。醫院與病人間，透過各自的 ECQV 憑證另外產生聯合公鑰，以建立醫療連結關係，但此方式金鑰需各自保管，將額外增加金鑰管理的負擔。本研究以 Hewa 方案之金鑰管理機制為基礎發展遠距醫療系統，採用雲端與多接取邊緣運算架構（Multi-access Edge Computing , MEC）技術並結合物聯網裝置，將病人醫療數據加密儲存於雲端資料庫；Hyperledger Fabric 與智能合約，負責管理角色權限、資料取用歷程與憑證資訊紀錄。並結合蘇等人（2018）的代理憑證機制，透過原始憑證使用者能自行產生代理憑證並分發給隸屬成員，且每張代理憑證皆能代表使用者的身分。本文將由醫院與 MEC 平台向憑證認證中心（CA）申請 ECQV 憑證，藉以減少各自申請憑證的成本，病人代理憑證為醫院產生的緣故，憑證本身已建立醫療連結關係，因此達到無需使用聯合公鑰的優點。 With the advancements of science and communication technology, telemedicine improves the issue of distribution of medical resources and shorten the distance between medical institutions and patients. Telemedicine also provides excellent medical quality. Ensuring the privacy of data, the security of data transmission and limited sharing of medical data are important issues. Hewa’s (2020)”telemedicine platform” used smaller storage and faster computation of Elliptic Curve Qu-Vanstone(ECQV) implicit certificate as security standard.Joint public key establish medical relationship between hospital and patients through generated their own ECQV. It needs to be kept separately.It will increase the loading of key management. This study based on Hewa’s key management mechanism to develop telemedicine platform. We adopted cloud service, Multi-access Edge Computing(MEC) architecture, combining Internet of things(IoT) devices to encrypt data.Hyperledger Fabric and smart contracts manage roles,permissions, data access audit log and certificate information.Combined with Su’s(2018) proxy certificate mechanism, certificate generated from original certificate and distributed to their members. To reduce cost of network transmission,hospital and MEC apply for ECQV from CA. Hospital generated patient’s proxy certificate to establish medical relationship, so joint public key do not required to be used.
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描述:	碩士國立政治大學資訊科學系碩士在職專班 108971018
資料來源:	http://thesis.lib.nccu.edu.tw/record/#G0108971018
数据类型:	thesis
DOI:	10.6814/NCCU202200009
显示于类别:	[資訊科學系碩士在職專班] 學位論文

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