SG11201908982QA - Managing sensitive data elements in a blockchain network - Google Patents
Managing sensitive data elements in a blockchain networkInfo
- Publication number
- SG11201908982QA SG11201908982QA SG11201908982QA SG11201908982QA SG 11201908982Q A SG11201908982Q A SG 11201908982QA SG 11201908982Q A SG11201908982Q A SG 11201908982QA SG 11201908982Q A SG11201908982Q A SG 11201908982QA
- Authority
- SG
- Singapore
- Prior art keywords
- blockchain network
- international
- watch list
- node
- consensus
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/20—Network architectures or network communication protocols for network security for managing network security; network security policies in general
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
- H04L9/0637—Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
- G06F21/52—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems during program execution, e.g. stack integrity ; Preventing unwanted data erasure; Buffer overflow
- G06F21/53—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems during program execution, e.g. stack integrity ; Preventing unwanted data erasure; Buffer overflow by executing in a restricted environment, e.g. sandbox or secure virtual machine
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0823—Network architectures or network communication protocols for network security for authentication of entities using certificates
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
- H04L63/101—Access control lists [ACL]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
- H04L9/3239—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Bioethics (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- Databases & Information Systems (AREA)
- Power Engineering (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Storage Device Security (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/080493 WO2019120326A2 (en) | 2019-03-29 | 2019-03-29 | Managing sensitive data elements in a blockchain network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11201908982QA true SG11201908982QA (en) | 2019-10-30 |
Family
ID=66994195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11201908982Q SG11201908982QA (en) | 2019-03-29 | 2019-03-29 | Managing sensitive data elements in a blockchain network |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US10917230B2 (enExample) |
| EP (1) | EP3610606B1 (enExample) |
| JP (1) | JP2020521342A (enExample) |
| KR (1) | KR102227685B1 (enExample) |
| CN (1) | CN110462621B (enExample) |
| AU (1) | AU2019204712B2 (enExample) |
| CA (1) | CA3058013C (enExample) |
| SG (1) | SG11201908982QA (enExample) |
| TW (1) | TWI720727B (enExample) |
| WO (1) | WO2019120326A2 (enExample) |
Families Citing this family (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110445619B (zh) * | 2017-03-30 | 2020-10-16 | 腾讯科技(深圳)有限公司 | 区块链系统、消息处理方法及存储介质 |
| CN108964881B (zh) * | 2017-05-18 | 2021-05-07 | 上海尚往网络科技有限公司 | 一种下发数据的方法及设备 |
| US11734458B2 (en) * | 2019-02-26 | 2023-08-22 | Intel Corporation | Extensible layered trusted computing base for computing devices |
| GB201910000D0 (en) * | 2019-07-12 | 2019-08-28 | Atlas City Global Ltd | Peer-to-peer network and method |
| PL4036744T3 (pl) * | 2019-07-18 | 2024-11-18 | Allfunds Bank, S.A.U | Układ łańcucha bloków (blockchain) z ograniczonymi transakcjami |
| CN110597918B (zh) * | 2019-09-23 | 2024-05-28 | 腾讯科技(深圳)有限公司 | 一种账户管理方法、装置及计算机可读存储介质 |
| CN110929260A (zh) * | 2019-11-29 | 2020-03-27 | 杭州安恒信息技术股份有限公司 | 一种恶意软件检测的方法、装置、服务器及可读存储介质 |
| KR102329376B1 (ko) * | 2020-02-06 | 2021-11-24 | 인제대학교 산학협력단 | 수정 가능한 블록체인 아키텍처 |
| GB2592222A (en) * | 2020-02-19 | 2021-08-25 | Nchain Holdings Ltd | Distributed database |
| CN111355710B (zh) * | 2020-02-19 | 2021-12-24 | 腾讯科技(深圳)有限公司 | 网络服务的数据请求方法及装置 |
| US11184160B2 (en) | 2020-02-26 | 2021-11-23 | International Business Machines Corporation | Channel key loading in a computing environment |
| US11652616B2 (en) | 2020-02-26 | 2023-05-16 | International Business Machines Corporation | Initializing a local key manager for providing secure data transfer in a computing environment |
| US11546137B2 (en) * | 2020-02-26 | 2023-01-03 | International Business Machines Corporation | Generation of a request to initiate a secure data transfer in a computing environment |
| US11489821B2 (en) | 2020-02-26 | 2022-11-01 | International Business Machines Corporation | Processing a request to initiate a secure data transfer in a computing environment |
| US11502834B2 (en) | 2020-02-26 | 2022-11-15 | International Business Machines Corporation | Refreshing keys in a computing environment that provides secure data transfer |
| US11405215B2 (en) | 2020-02-26 | 2022-08-02 | International Business Machines Corporation | Generation of a secure key exchange authentication response in a computing environment |
| CN111192146B (zh) * | 2020-04-10 | 2020-07-17 | 支付宝(杭州)信息技术有限公司 | 区块链数据的订正方法及装置 |
| US11838304B2 (en) * | 2020-08-28 | 2023-12-05 | International Business Machines Corporation | Tracking of sensitive data |
| US11502830B2 (en) * | 2020-10-12 | 2022-11-15 | Kyndryl, Inc. | Ultrasound split key transmission for enhanced security |
| CN112261427B (zh) * | 2020-10-20 | 2022-04-29 | 中国联合网络通信集团有限公司 | 恶意节点的识别方法及装置、电子设备 |
| CN112332980B (zh) * | 2020-11-13 | 2023-04-14 | 浙江数秦科技有限公司 | 一种数字证书签发和验签方法、设备及存储介质 |
| CN112532709A (zh) * | 2020-11-24 | 2021-03-19 | 杭州趣链科技有限公司 | 上链请求的处理方法、装置以及区块链节点设备 |
| CN112615847B (zh) * | 2020-12-14 | 2021-09-17 | 上海交通大学 | 基于区块链的数据共享和隐私保护方法 |
| CN112887948B (zh) * | 2021-01-15 | 2023-04-18 | 英华达(上海)科技有限公司 | 绑定蓝牙装置的方法及其系统 |
| US12395477B2 (en) * | 2021-05-14 | 2025-08-19 | Verizon Patent And Licensing Inc. | Systems and methods for collaborative blockchain establishment for blockchain-based secure key exchange |
| US11979396B2 (en) * | 2021-05-19 | 2024-05-07 | Bank Of America Corporation | Information security system and method for machine-to-machine (M2M) security and validation |
| JP7128335B1 (ja) | 2021-09-16 | 2022-08-30 | 株式会社グリーン・シップ | 案内通知システム、案内通知方法、および案内通知プログラム |
| KR102467441B1 (ko) * | 2021-10-28 | 2022-11-17 | (주)씨큐하이 | 텐더민트 bft를 이용한 비정형 데이터의 암호화 방법, 장치 및 컴퓨터-판독가능 기록매체 |
| CN114338795B (zh) * | 2021-12-23 | 2024-06-14 | 杭州趣链科技有限公司 | 一种区块链客户端的数据通信方法及装置 |
| CN114510737B (zh) * | 2022-04-21 | 2022-07-15 | 浙江数秦科技有限公司 | 一种基于区块链的经营数据限时开放系统 |
| CN114884977B (zh) * | 2022-05-09 | 2023-07-04 | 深圳嘉业产业发展有限公司 | 一种基于区块链的数据共享方法及系统 |
| US12437052B2 (en) * | 2022-06-03 | 2025-10-07 | Apple Inc. | Proving membership using cryptographic identities |
| US20240022429A1 (en) * | 2022-07-14 | 2024-01-18 | Nokia Solutions And Networks Oy | Registering and validating a new validator for a proof-of-origin blockchain |
| US11902435B1 (en) * | 2022-07-20 | 2024-02-13 | CUBE Security Inc. | Access control interfaces for blockchains |
| CN116545766B (zh) * | 2023-06-27 | 2023-12-15 | 积至网络(北京)有限公司 | 基于链式安全的验证方法、系统及设备 |
| KR20250130062A (ko) | 2024-02-23 | 2025-09-01 | 주식회사 에스케어 | 민감데이터 처리를 위한 장치 및 그 장치의 구동방법 |
Family Cites Families (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3905961B2 (ja) * | 1997-11-11 | 2007-04-18 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 臨時署名認証の方法及びそのシステム |
| JP2011060058A (ja) * | 2009-09-11 | 2011-03-24 | Hitachi Kokusai Electric Inc | 撮影装置および監視システム |
| JP5656763B2 (ja) * | 2011-07-08 | 2015-01-21 | 株式会社日立製作所 | 入国審査システム |
| US10158480B1 (en) * | 2015-03-16 | 2018-12-18 | Winklevoss Ip, Llc | Autonomous devices |
| KR20170016537A (ko) | 2015-08-03 | 2017-02-14 | 엔에이치엔엔터테인먼트 주식회사 | 콜택시 서비스 서버, 이를 갖는 콜택시 서비스 시스템 및 이를 이용한 콜택시 서비스 방법 |
| KR20180108566A (ko) * | 2015-10-14 | 2018-10-04 | 캠브리지 블록체인 엘엘씨 | 디지털 아이덴티티를 관리하기 위한 시스템 및 방법 |
| KR101590076B1 (ko) | 2015-11-18 | 2016-02-01 | 주식회사 웨이브스트링 | 개인정보 관리 방법 |
| US10230756B2 (en) * | 2015-11-25 | 2019-03-12 | International Business Machines Corporation | Resisting replay attacks efficiently in a permissioned and privacy-preserving blockchain network |
| US20170213221A1 (en) * | 2016-01-26 | 2017-07-27 | Bank Of America Corporation | System for tracking and validation of multiple instances of an entity in a process data network |
| US10469263B2 (en) * | 2016-06-06 | 2019-11-05 | Refinitiv Us Organization Llc | Systems and methods for providing identity scores |
| US10417217B2 (en) * | 2016-08-05 | 2019-09-17 | Chicago Mercantile Exchange Inc. | Systems and methods for blockchain rule synchronization |
| WO2018046008A1 (zh) | 2016-09-12 | 2018-03-15 | 上海鼎利信息科技有限公司 | 一种区块链加密射频芯片存储设计方法 |
| WO2018069566A1 (en) * | 2016-10-14 | 2018-04-19 | Nokia Technologies Oy | Method, device and system for validating sensitive user data transactions within trusted circle |
| JP7040463B2 (ja) * | 2016-12-22 | 2022-03-23 | 日本電気株式会社 | 解析サーバ、監視システム、監視方法及びプログラム |
| FR3061330B1 (fr) * | 2016-12-28 | 2019-05-24 | Bull Sas | Systeme et procede pour la creation et la gestion d'autorisations decentralisees pour des objets connectes |
| WO2018158936A1 (ja) * | 2017-03-03 | 2018-09-07 | 日本電気株式会社 | ブロックチェーン管理装置、ブロックチェーン管理方法及びプログラム |
| CN111724150B (zh) * | 2017-03-28 | 2023-11-24 | 创新先进技术有限公司 | 一种业务请求的处理方法及装置 |
| US10411895B2 (en) | 2017-05-04 | 2019-09-10 | International Business Machines Corporation | Creating match cohorts and exchanging protected data using blockchain |
| WO2019018776A1 (en) * | 2017-07-21 | 2019-01-24 | Patientory, Inc. | BLOCK CHAIN NETWORK FOR SECURE EXCHANGE OF HEALTH CARE INFORMATION |
| CN107592292B (zh) | 2017-07-26 | 2019-08-09 | 阿里巴巴集团控股有限公司 | 一种区块链节点间通信方法及装置 |
| US11132451B2 (en) | 2017-08-31 | 2021-09-28 | Parity Technologies Ltd. | Secret data access control systems and methods |
| US10373158B1 (en) * | 2018-02-12 | 2019-08-06 | Winklevoss Ip, Llc | System, method and program product for modifying a supply of stable value digital asset tokens |
| US20190295202A1 (en) * | 2018-03-23 | 2019-09-26 | Ca, Inc. | Blockchain records associated with search warrant |
| FR3079323B1 (fr) * | 2018-03-26 | 2020-04-17 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Methode et systeme d'acces a des donnees anonymisees |
| US11295402B2 (en) * | 2018-03-28 | 2022-04-05 | Bank Of America Corporation | Blockchain-based property repair |
| US10958642B2 (en) * | 2018-04-05 | 2021-03-23 | The Toronto-Dominion Bank | Dynamic biometric authentication based on distributed ledger data |
| CN109214197B (zh) | 2018-08-14 | 2021-07-27 | 上海点融信息科技有限责任公司 | 基于区块链来处理隐私数据的方法、装置及存储介质 |
| CN109257336B (zh) * | 2018-08-24 | 2021-03-16 | 维沃移动通信有限公司 | 一种基于区块链的密码信息处理方法、终端设备 |
| CN109326337B (zh) | 2018-09-06 | 2021-09-03 | 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 |
| CN109347941A (zh) * | 2018-10-10 | 2019-02-15 | 南京简诺特智能科技有限公司 | 一种基于区块链的数据共享平台及其实现方法 |
| CN109302405B (zh) | 2018-10-31 | 2020-11-17 | 北京邮电大学 | 基于边缘计算的工业数据检测区块链网络系统及检测方法 |
-
2019
- 2019-03-29 AU AU2019204712A patent/AU2019204712B2/en active Active
- 2019-03-29 JP JP2019553421A patent/JP2020521342A/ja active Pending
- 2019-03-29 CA CA3058013A patent/CA3058013C/en active Active
- 2019-03-29 CN CN201980001578.XA patent/CN110462621B/zh active Active
- 2019-03-29 SG SG11201908982Q patent/SG11201908982QA/en unknown
- 2019-03-29 KR KR1020197028615A patent/KR102227685B1/ko active Active
- 2019-03-29 EP EP19732213.4A patent/EP3610606B1/en active Active
- 2019-03-29 WO PCT/CN2019/080493 patent/WO2019120326A2/en not_active Ceased
- 2019-09-30 US US16/587,641 patent/US10917230B2/en active Active
- 2019-12-12 TW TW108145466A patent/TWI720727B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3610606A2 (en) | 2020-02-19 |
| CA3058013A1 (en) | 2019-06-27 |
| EP3610606B1 (en) | 2022-09-21 |
| WO2019120326A3 (en) | 2020-01-30 |
| WO2019120326A2 (en) | 2019-06-27 |
| JP2020521342A (ja) | 2020-07-16 |
| TWI720727B (zh) | 2021-03-01 |
| CN110462621A (zh) | 2019-11-15 |
| CN110462621B (zh) | 2023-07-04 |
| KR102227685B1 (ko) | 2021-03-16 |
| EP3610606A4 (en) | 2020-05-27 |
| KR20200116014A (ko) | 2020-10-08 |
| CA3058013C (en) | 2021-04-27 |
| US20200313858A1 (en) | 2020-10-01 |
| AU2019204712B2 (en) | 2020-08-13 |
| TW202036348A (zh) | 2020-10-01 |
| US10917230B2 (en) | 2021-02-09 |
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