CN111901302A - 基于区块链的医疗信息属性加密访问控制方法 - Google Patents
基于区块链的医疗信息属性加密访问控制方法 Download PDFInfo
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CN112906032A (zh) * | 2021-03-15 | 2021-06-04 | 上海交通大学 | 基于cp-abe与区块链的文件安全传输方法、系统及介质 |
CN113707256A (zh) * | 2021-08-31 | 2021-11-26 | 平安国际智慧城市科技股份有限公司 | 医疗数据的加密方法、系统及存储介质 |
CN113792301A (zh) * | 2021-03-08 | 2021-12-14 | 北京沃东天骏信息技术有限公司 | 基于区块链的物联网数据访问方法及装置 |
CN114024686A (zh) * | 2021-11-03 | 2022-02-08 | 北京邮电大学 | 基于区块链的智慧社区物联网信息共享模型 |
CN114553437A (zh) * | 2022-03-02 | 2022-05-27 | 安徽师范大学 | 基于医疗区块链的授权验证方法 |
CN114629710A (zh) * | 2022-03-17 | 2022-06-14 | 西安电子科技大学 | 基于区块链的医疗数据可控共享方法 |
CN114745201A (zh) * | 2022-05-07 | 2022-07-12 | 北京航空航天大学 | 基于区块链与属性加密的数据访问隐私保护系统及方法 |
CN114978771A (zh) * | 2022-07-26 | 2022-08-30 | 成都云智数安科技有限公司 | 一种基于区块链技术的数据安全共享方法及系统 |
CN115001730A (zh) * | 2022-03-02 | 2022-09-02 | 上海交通大学 | 分布式场景下基于角色属性的访问控制系统及方法 |
CN115051989A (zh) * | 2022-06-10 | 2022-09-13 | 中国华能集团清洁能源技术研究院有限公司 | 工业物联网中基于区块链的精细化分布式访问控制方法 |
CN115174175A (zh) * | 2022-06-24 | 2022-10-11 | 深圳市北科瑞声科技股份有限公司 | 数据访问方法、装置、电子设备及存储介质 |
CN115996151A (zh) * | 2023-03-22 | 2023-04-21 | 中南大学 | 一种电子医疗数据共享方法、系统、设备及介质 |
CN117270936A (zh) * | 2023-10-10 | 2023-12-22 | 武汉碧涯科技有限公司 | 一种云平台运维方法及系统 |
CN117294496A (zh) * | 2023-09-25 | 2023-12-26 | 湖北工业大学 | 一种基于区块链的智能家庭监控数据安全管理方法 |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106503994A (zh) * | 2016-11-02 | 2017-03-15 | 西安电子科技大学 | 基于属性加密的区块链隐私数据访问控制方法 |
US20180060496A1 (en) * | 2016-08-23 | 2018-03-01 | BBM Health LLC | Blockchain-based mechanisms for secure health information resource exchange |
CN108768988A (zh) * | 2018-05-17 | 2018-11-06 | 深圳前海微众银行股份有限公司 | 区块链访问控制方法、设备及计算机可读存储介质 |
CN109326337A (zh) * | 2018-09-06 | 2019-02-12 | 西安电子科技大学 | 基于区块链的电子医疗记录存储和共享的模型及方法 |
CN109559117A (zh) * | 2018-11-14 | 2019-04-02 | 北京科技大学 | 基于属性基加密的区块链合约隐私保护方法与系统 |
CN109559124A (zh) * | 2018-12-17 | 2019-04-02 | 重庆大学 | 一种基于区块链的云数据安全共享方法 |
CN110321721A (zh) * | 2019-07-02 | 2019-10-11 | 石家庄铁道大学 | 基于区块链的电子病历访问控制方法 |
CN110727737A (zh) * | 2019-10-29 | 2020-01-24 | 南京邮电大学 | 基于多层次区块链体系架构的智慧医疗数据存储方法 |
CN110807189A (zh) * | 2019-11-15 | 2020-02-18 | 内蒙古大学 | 一种区块链访问控制中的权限分割方法 |
US20200084051A1 (en) * | 2018-09-12 | 2020-03-12 | Bitclave Pte. Ltd. | Systems and methods for preserving privacy and incentivizing third-party data sharing |
CN111130757A (zh) * | 2019-12-31 | 2020-05-08 | 华中科技大学 | 一种基于区块链的多云cp-abe访问控制方法 |
CN111324898A (zh) * | 2020-01-20 | 2020-06-23 | 福州大学 | 基于区块链的电子医疗文档双重访问控制系统 |
-
2020
- 2020-06-28 CN CN202010598179.0A patent/CN111901302B/zh active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20180060496A1 (en) * | 2016-08-23 | 2018-03-01 | BBM Health LLC | Blockchain-based mechanisms for secure health information resource exchange |
CN106503994A (zh) * | 2016-11-02 | 2017-03-15 | 西安电子科技大学 | 基于属性加密的区块链隐私数据访问控制方法 |
CN108768988A (zh) * | 2018-05-17 | 2018-11-06 | 深圳前海微众银行股份有限公司 | 区块链访问控制方法、设备及计算机可读存储介质 |
CN109326337A (zh) * | 2018-09-06 | 2019-02-12 | 西安电子科技大学 | 基于区块链的电子医疗记录存储和共享的模型及方法 |
US20200084051A1 (en) * | 2018-09-12 | 2020-03-12 | Bitclave Pte. Ltd. | Systems and methods for preserving privacy and incentivizing third-party data sharing |
CN109559117A (zh) * | 2018-11-14 | 2019-04-02 | 北京科技大学 | 基于属性基加密的区块链合约隐私保护方法与系统 |
CN109559124A (zh) * | 2018-12-17 | 2019-04-02 | 重庆大学 | 一种基于区块链的云数据安全共享方法 |
CN110321721A (zh) * | 2019-07-02 | 2019-10-11 | 石家庄铁道大学 | 基于区块链的电子病历访问控制方法 |
CN110727737A (zh) * | 2019-10-29 | 2020-01-24 | 南京邮电大学 | 基于多层次区块链体系架构的智慧医疗数据存储方法 |
CN110807189A (zh) * | 2019-11-15 | 2020-02-18 | 内蒙古大学 | 一种区块链访问控制中的权限分割方法 |
CN111130757A (zh) * | 2019-12-31 | 2020-05-08 | 华中科技大学 | 一种基于区块链的多云cp-abe访问控制方法 |
CN111324898A (zh) * | 2020-01-20 | 2020-06-23 | 福州大学 | 基于区块链的电子医疗文档双重访问控制系统 |
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CN114978771A (zh) * | 2022-07-26 | 2022-08-30 | 成都云智数安科技有限公司 | 一种基于区块链技术的数据安全共享方法及系统 |
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CN117294496A (zh) * | 2023-09-25 | 2023-12-26 | 湖北工业大学 | 一种基于区块链的智能家庭监控数据安全管理方法 |
CN117294496B (zh) * | 2023-09-25 | 2024-03-29 | 湖北工业大学 | 一种基于区块链的智能家庭监控数据安全管理方法 |
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CN117270936B (zh) * | 2023-10-10 | 2024-03-19 | 武汉碧涯科技有限公司 | 一种云平台运维方法及系统 |
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