CN107453865B - 一种保护数据发送源隐私的多方数据共享方法及系统 - Google Patents
一种保护数据发送源隐私的多方数据共享方法及系统 Download PDFInfo
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PCT/CN2018/095782 WO2019015547A1 (zh) | 2017-07-18 | 2018-07-16 | 数据共享方法及数据共享系统 |
KR1020197022438A KR20190105027A (ko) | 2017-07-18 | 2018-07-16 | 데이터 공유 방법 및 데이터 공유 시스템 |
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Publication number | Priority date | Publication date | Assignee | Title |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104980437A (zh) * | 2015-06-12 | 2015-10-14 | 电子科技大学 | 一种基于身份的授权第三方数据完整性证明方法 |
CN106779704A (zh) * | 2016-12-06 | 2017-05-31 | 杭州趣链科技有限公司 | 一种基于环签名的区块链匿名交易方法 |
CN106897879A (zh) * | 2017-03-06 | 2017-06-27 | 广东工业大学 | 基于pki‑clc异构聚合签密算法的区块链加密方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7086086B2 (en) * | 1999-02-27 | 2006-08-01 | Alonzo Ellis | System and method for maintaining N number of simultaneous cryptographic sessions using a distributed computing environment |
US6978367B1 (en) * | 1999-10-21 | 2005-12-20 | International Business Machines Corporation | Selective data encryption using style sheet processing for decryption by a client proxy |
US8972746B2 (en) * | 2010-12-17 | 2015-03-03 | Intel Corporation | Technique for supporting multiple secure enclaves |
US9660978B1 (en) * | 2016-08-08 | 2017-05-23 | ISARA Corporation | Using a digital certificate with multiple cryptosystems |
US10389518B2 (en) * | 2017-01-27 | 2019-08-20 | Entit Software Llc | Blockchain hash value recomputation |
US10747905B2 (en) * | 2017-05-11 | 2020-08-18 | Microsoft Technology Licensing, Llc | Enclave ring and pair topologies |
CN107453865B (zh) * | 2017-07-18 | 2020-09-11 | 众安信息技术服务有限公司 | 一种保护数据发送源隐私的多方数据共享方法及系统 |
-
2017
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-
2018
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- 2018-07-16 KR KR1020197022438A patent/KR20190105027A/ko not_active Application Discontinuation
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2019
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104980437A (zh) * | 2015-06-12 | 2015-10-14 | 电子科技大学 | 一种基于身份的授权第三方数据完整性证明方法 |
CN106779704A (zh) * | 2016-12-06 | 2017-05-31 | 杭州趣链科技有限公司 | 一种基于环签名的区块链匿名交易方法 |
CN106897879A (zh) * | 2017-03-06 | 2017-06-27 | 广东工业大学 | 基于pki‑clc异构聚合签密算法的区块链加密方法 |
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WO2019015547A1 (zh) | 2019-01-24 |
US20190273620A1 (en) | 2019-09-05 |
CN107453865A (zh) | 2017-12-08 |
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