KR102215245B1 - 준동형 암호화를 사용하는 블록체인 데이터 보호 - Google Patents

준동형 암호화를 사용하는 블록체인 데이터 보호 Download PDF

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KR102215245B1
KR102215245B1 KR1020197011576A KR20197011576A KR102215245B1 KR 102215245 B1 KR102215245 B1 KR 102215245B1 KR 1020197011576 A KR1020197011576 A KR 1020197011576A KR 20197011576 A KR20197011576 A KR 20197011576A KR 102215245 B1 KR102215245 B1 KR 102215245B1
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KR20200054128A (ko
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바올리 마
웬빈 장
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어드밴스드 뉴 테크놀로지스 씨오., 엘티디.
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    • G06Q20/30Payment architectures, schemes or protocols characterised by the use of specific devices or networks
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    • H04L9/3247Cryptographic 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
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KR1020197011576A 2018-11-07 2018-11-07 준동형 암호화를 사용하는 블록체인 데이터 보호 Active KR102215245B1 (ko)

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PCT/CN2018/114344 WO2019072264A2 (en) 2018-11-07 2018-11-07 PROTECTION OF BLOCK CHAIN DATA USING A HOMOMORPHIC ENCRYPTION

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KR102215245B1 true KR102215245B1 (ko) 2021-02-16

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US (1) US10664835B2 (https=)
EP (1) EP3545483B1 (https=)
JP (2) JP2020502864A (https=)
KR (1) KR102215245B1 (https=)
CN (1) CN110073633B (https=)
AU (1) AU2018348317B2 (https=)
BR (1) BR112019008148B1 (https=)
CA (1) CA3041200C (https=)
ES (1) ES2881319T3 (https=)
MX (1) MX385270B (https=)
PH (1) PH12019500898B1 (https=)
PL (1) PL3545483T3 (https=)
RU (1) RU2727161C1 (https=)
SG (1) SG11201903553VA (https=)
TW (1) TWI695613B (https=)
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Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12309127B2 (en) 2017-01-20 2025-05-20 Enveil, Inc. End-to-end secure operations using a query vector
US11196541B2 (en) 2017-01-20 2021-12-07 Enveil, Inc. Secure machine learning analytics using homomorphic encryption
US10903976B2 (en) 2017-01-20 2021-01-26 Enveil, Inc. End-to-end secure operations using a query matrix
US11777729B2 (en) 2017-01-20 2023-10-03 Enveil, Inc. Secure analytics using term generation and homomorphic encryption
US11290252B2 (en) 2017-01-20 2022-03-29 Enveil, Inc. Compression and homomorphic encryption in secure query and analytics
US11507683B2 (en) 2017-01-20 2022-11-22 Enveil, Inc. Query processing with adaptive risk decisioning
CN112929181B (zh) * 2018-05-08 2024-01-02 维萨国际服务协会 抗Sybil攻击身份的生成
US10902133B2 (en) 2018-10-25 2021-01-26 Enveil, Inc. Computational operations in enclave computing environments
KR102348768B1 (ko) * 2018-11-07 2022-01-06 어드밴스드 뉴 테크놀로지스 씨오., 엘티디. 동형 암호화를 이용한 블록체인 데이터 보호
US10817262B2 (en) 2018-11-08 2020-10-27 Enveil, Inc. Reduced and pipelined hardware architecture for Montgomery Modular Multiplication
DE102019002731A1 (de) 2019-04-15 2020-10-15 Giesecke+Devrient Gesellschaft mit beschränkter Haftung Gerät zum direkten Übertragen von elektronischen Münzdatensätzen an ein anderes Gerät sowie Bezahlsystem
CN110020541B (zh) * 2019-04-19 2020-11-03 北京理工大学 一种基于区块链的隐私保护的声誉评价方法及系统
CN110224985B (zh) * 2019-05-07 2022-07-08 平安科技(深圳)有限公司 数据处理的方法及相关装置
CN110276684B (zh) * 2019-05-20 2021-04-23 创新先进技术有限公司 结合交易类型和事件函数类型的收据存储方法和节点
CN110348231B (zh) * 2019-06-18 2020-08-14 阿里巴巴集团控股有限公司 实现隐私保护的数据同态加解密方法及装置
US10778410B2 (en) 2019-06-18 2020-09-15 Alibaba Group Holding Limited Homomorphic data encryption method and apparatus for implementing privacy protection
GB201913704D0 (en) * 2019-09-23 2019-11-06 Nchain Holdings Ltd Computer implemented method and system for storing certified data on a blockchain
CN110827121B (zh) * 2019-10-22 2023-08-18 全链通有限公司 基于区块链的电子投标方法、设备及存储介质
CN110766407A (zh) * 2019-10-22 2020-02-07 全链通有限公司 基于区块链的交易验证方法、记账节点及介质
CN110730187A (zh) * 2019-10-22 2020-01-24 全链通有限公司 基于区块链的交易验证方法、记账节点及介质
CN110830452A (zh) * 2019-10-22 2020-02-21 全链通有限公司 基于区块链的电子投标方法、设备及存储介质
CN110768979B (zh) * 2019-10-22 2021-12-24 吕春芳 一种基于蚂蚁算法的区块链大数据处理方法及系统
US11328080B2 (en) 2019-11-18 2022-05-10 Frostbyte, Llc Cryptographic key management
CN111194066B (zh) * 2020-01-10 2022-02-11 中国联合网络通信集团有限公司 一种基站联盟方法及装置
US12099997B1 (en) 2020-01-31 2024-09-24 Steven Mark Hoffberg Tokenized fungible liabilities
CN111417945B (zh) 2020-02-03 2022-06-17 支付宝(杭州)信息技术有限公司 基于区块链的可信保函
CN111357026B (zh) 2020-02-03 2022-06-07 支付宝(杭州)信息技术有限公司 基于区块链的可信保函
SG11202012851YA (en) 2020-02-03 2021-01-28 Alipay Hangzhou Inf Tech Co Ltd Blockchain-based trustable guarantees
CN111433799B (zh) 2020-02-03 2022-03-25 支付宝(杭州)信息技术有限公司 基于区块链的可信保函
SG11202013145YA (en) 2020-02-03 2021-01-28 Alipay Hangzhou Inf Tech Co Ltd Blockchain-based trustable guarantees
CN111418184B (zh) 2020-02-03 2022-09-09 支付宝(杭州)信息技术有限公司 基于区块链的可信保函
CN111160913B (zh) * 2020-04-02 2020-07-17 支付宝(杭州)信息技术有限公司 区块链账户余额的存证、恢复方法及装置
SG11202102366SA (en) 2020-06-08 2021-04-29 Alipay Labs Singapore Pte Ltd User management of blockchain-based custom clearance service platform
EP3844655B1 (en) 2020-06-08 2023-05-03 Alipay Labs (Singapore) Pte. Ltd. Managing user authorizations for blockchain-based custom clearance services
EP3844699B1 (en) 2020-06-08 2026-04-15 Antchain Technology Pte. Ltd. Blockchain-based import custom clearance data processing
WO2020169124A2 (en) 2020-06-08 2020-08-27 Alipay Labs (singapore) Pte. Ltd. Distributed storage of custom clearance data
SG11202102583UA (en) 2020-06-08 2021-04-29 Alipay Labs Singapore Pte Ltd Blockchain-based document registration for custom clearance
EP3841491B1 (en) 2020-06-08 2023-08-02 Alipay Labs (Singapore) Pte. Ltd. Blockchain-based smart contract pools
DE102020004122A1 (de) 2020-07-08 2022-01-13 Giesecke+Devrient Gesellschaft mit beschränkter Haftung Bezahlsystem, münzregister, teilnehmereinheit, transaktionsregister, überwachungsregister und verfahren zum bezahlen mit elektronischen münzdatensätzen
US11601258B2 (en) 2020-10-08 2023-03-07 Enveil, Inc. Selector derived encryption systems and methods
US12457102B2 (en) * 2020-11-12 2025-10-28 University Of South Florida Systems and methods for energy efficient and useful blockchain proof of work
CN113627911A (zh) * 2021-09-03 2021-11-09 杭州复杂美科技有限公司 一种基于区块链匿名收发红包的方法、设备及储存介质
US12200129B2 (en) * 2021-12-23 2025-01-14 Visa International Service Association Zero-knowledge interaction processing system and method
US12401507B2 (en) * 2021-12-29 2025-08-26 International Business Machines Corporation Future asset reclamation via blockchain
EP4466872A1 (en) * 2022-01-21 2024-11-27 Qualcomm Incorporated Reference signal security
US20250182109A1 (en) 2023-12-05 2025-06-05 Ava Labs, Inc. Encrypted transfers in a distributed ledger
US12608704B2 (en) * 2023-12-20 2026-04-21 Zkrypto Inc. Method of contracting reserves with single transaction in response to a plurality of contract requests
CN117726421B (zh) * 2024-02-07 2024-06-21 湖南三湘银行股份有限公司 一种应用于银行的权益管理方法
US20260094156A1 (en) * 2024-10-02 2026-04-02 Block, Inc. Secure verification of blinded elements for authentication

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008176192A (ja) 2007-01-22 2008-07-31 Nippon Telegr & Teleph Corp <Ntt> 暗号変換方法および装置、並びにプログラム
US8861716B2 (en) 2010-03-30 2014-10-14 International Business Machines Corporation Efficient homomorphic encryption scheme for bilinear forms

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3619486B2 (ja) * 2001-10-30 2005-02-09 日本電信電話株式会社 電子マッチング方法、その装置のプログラム及びその記録媒体
US7434726B2 (en) * 2006-05-15 2008-10-14 Pitney Bowes Inc. Method and system for postdating of financial transactions
US20090327141A1 (en) * 2007-04-18 2009-12-31 Rabin Michael O Highly efficient secrecy-preserving proofs of correctness of computation
WO2011088912A1 (en) * 2010-01-22 2011-07-28 International Business Machines Corporation Unlinkable priced oblivious transfer with rechargeable wallets
US20120317034A1 (en) * 2011-06-13 2012-12-13 Microsoft Corporation Transparent virtual currency using verifiable tokens
US10096008B2 (en) * 2012-09-10 2018-10-09 Mastercard International Incorporated Methods and systems for processing electronic disbursements
WO2016120826A2 (fr) * 2015-01-30 2016-08-04 Enrico Maim Systèmes et procédés pour la gestion d'engagements en réseau d'entités sécurisées
WO2016200885A1 (en) * 2015-06-08 2016-12-15 Blockstream Corporation Cryptographically concealing amounts transacted on a ledger while preserving a network's ability to verify the transaction
EP3166251B1 (en) * 2015-11-09 2020-10-28 Certsign S.A. Fully homomorphic encryption from monoid algebras
US10791123B2 (en) * 2015-11-25 2020-09-29 Yaron Gvili Selectivity in privacy and verification with applications
US10713731B2 (en) * 2016-07-22 2020-07-14 Nec Corporation Method for secure ledger distribution and computer system using secure distributed ledger technology
US10333715B2 (en) * 2016-11-14 2019-06-25 International Business Machines Corporation Providing computation services with privacy
WO2018115567A1 (en) * 2016-12-19 2018-06-28 Nokia Technologies Oy Method and apparatus for private data transfer between parties
CN106910072A (zh) * 2017-02-15 2017-06-30 捷德(中国)信息科技有限公司 数字货币管理方法和系统
CN107240018A (zh) * 2017-07-25 2017-10-10 成都励睿德企业管理有限公司 一种用于支付区块链网络中交易费用的方法和系统
CN108418783B (zh) * 2017-09-01 2021-03-19 矩阵元技术(深圳)有限公司 一种保护区块链智能合约隐私的方法、介质
CN108021821A (zh) * 2017-11-28 2018-05-11 北京航空航天大学 多中心区块链交易隐私保护系统及方法
US11257077B2 (en) * 2017-11-30 2022-02-22 Visa International Service Association Blockchain system for confidential and anonymous smart contracts
CN108335106A (zh) * 2018-01-24 2018-07-27 深圳壹账通智能科技有限公司 基于区块链的零知识多账本兑换转账方法、装置及存储介质
CN108377189B (zh) * 2018-05-09 2021-01-26 深圳壹账通智能科技有限公司 区块链上用户通信加密方法、装置、终端设备及存储介质
CN108632293B (zh) * 2018-05-16 2021-08-06 山东建筑大学 基于区块链技术的建筑设备物联网系统与方法
CN108764874B (zh) * 2018-05-17 2021-09-07 深圳前海微众银行股份有限公司 基于区块链的匿名转账方法、系统及存储介质
CN111833186B (zh) * 2018-09-20 2024-11-01 蚂蚁链技术有限公司 基于区块链的交易方法、装置和节点设备

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008176192A (ja) 2007-01-22 2008-07-31 Nippon Telegr & Teleph Corp <Ntt> 暗号変換方法および装置、並びにプログラム
US8861716B2 (en) 2010-03-30 2014-10-14 International Business Machines Corporation Efficient homomorphic encryption scheme for bilinear forms

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Acar, Abbas, et al. "A survey on homomorphic encryption schemes: Theory and implementation." ACM Computing Surveys (CSUR) 51.4 (2018): 1-35.
Fanca, B. F. "Homomorphic mini-blockchain scheme." (2015).
Wang, Qin, et al. "Preserving transaction privacy in bitcoin." Future Generation Computer Systems (2017).).

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