SG11202003719QA - System and method for providing privacy and security protection in blockchain-based private transactions - Google Patents

System and method for providing privacy and security protection in blockchain-based private transactions

Info

Publication number
SG11202003719QA
SG11202003719QA SG11202003719QA SG11202003719QA SG11202003719QA SG 11202003719Q A SG11202003719Q A SG 11202003719QA SG 11202003719Q A SG11202003719Q A SG 11202003719QA SG 11202003719Q A SG11202003719Q A SG 11202003719QA SG 11202003719Q A SG11202003719Q A SG 11202003719QA
Authority
SG
Singapore
Prior art keywords
blockchain
security protection
based private
providing privacy
private transactions
Prior art date
Application number
SG11202003719QA
Inventor
Dayi Yang
Ning Xia
Kang Li
Original Assignee
Advanced New Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Advanced New Technologies Co Ltd filed Critical Advanced New Technologies Co Ltd
Publication of SG11202003719QA publication Critical patent/SG11202003719QA/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/04—Payment circuits
    • G06Q20/06—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme
    • G06Q20/065—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme using e-cash
    • G06Q20/0658—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme using e-cash e-cash managed locally
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3825—Use of electronic signatures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
    • G06Q20/405—Establishing or using transaction specific rules
    • 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]
    • 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
    • H04L9/32—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
    • H04L9/3255—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 using group based signatures, e.g. ring or threshold signatures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash
SG11202003719QA 2019-05-31 2019-05-31 System and method for providing privacy and security protection in blockchain-based private transactions SG11202003719QA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/089486 WO2019170167A2 (en) 2019-05-31 2019-05-31 System and method for providing privacy and security protection in blockchain-based private transactions

Publications (1)

Publication Number Publication Date
SG11202003719QA true SG11202003719QA (en) 2020-05-28

Family

ID=67847527

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202003719QA SG11202003719QA (en) 2019-05-31 2019-05-31 System and method for providing privacy and security protection in blockchain-based private transactions

Country Status (6)

Country Link
US (1) US20200118096A1 (en)
EP (1) EP3688929B1 (en)
CN (1) CN111164935B (en)
SG (1) SG11202003719QA (en)
TW (1) TWI740423B (en)
WO (1) WO2019170167A2 (en)

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US11405182B2 (en) 2018-12-03 2022-08-02 Ebay Inc. Adaptive security for smart contracts using high granularity metrics
US11250125B2 (en) 2018-12-03 2022-02-15 Ebay Inc. Highly scalable permissioned block chains
US11263315B2 (en) 2018-12-03 2022-03-01 Ebay Inc. System level function based access control for smart contract execution on a blockchain
KR102372422B1 (en) * 2019-11-26 2022-03-07 한양대학교 산학협력단 Leaderless block-chain consensus method and device
US11362808B2 (en) * 2019-12-06 2022-06-14 Sasken Technologies Ltd Method and system for consensus in a permissioned blockchain
CN113128999B (en) * 2019-12-31 2024-04-12 航天信息股份有限公司 Block chain privacy protection method and device
CN111598701B (en) * 2020-05-22 2023-09-19 深圳市迅雷网络技术有限公司 Information monitoring method, system, equipment and storage medium
CN111652724A (en) * 2020-06-03 2020-09-11 中国银行股份有限公司 Cross-bank transaction method and system based on block chain
CN111866085B (en) * 2020-06-28 2021-12-14 北京沃东天骏信息技术有限公司 Data storage method, system and device based on block chain
WO2022000482A1 (en) 2020-07-03 2022-01-06 Alipay (Hangzhou) Information Technology Co., Ltd. System and method for providing privacy and security protection in blockchain-based private transactions
CN111988402B (en) * 2020-08-20 2022-06-24 支付宝(杭州)信息技术有限公司 Data verification method and device and electronic equipment
CN112036878B (en) * 2020-08-28 2023-08-22 平安科技（深圳）有限公司 Data processing method and device
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CN112488680B (en) * 2020-12-04 2024-02-20 深圳前海微众银行股份有限公司 Private transaction processing method and device based on blockchain
CN112636929B (en) * 2020-12-29 2023-01-17 北京百度网讯科技有限公司 Group service implementation method, device, equipment and storage medium
US11689355B2 (en) * 2021-03-04 2023-06-27 Mastercard International Incorporated Method and system for the atomic exchange of blockchain assets using transient key pairs
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CN113486120B (en) * 2021-07-23 2022-05-20 湖南航天捷诚电子装备有限责任公司 Data processing method and data communication system thereof
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Also Published As

Publication number Publication date
EP3688929A2 (en) 2020-08-05
US20200118096A1 (en) 2020-04-16
TWI740423B (en) 2021-09-21
CN111164935B (en) 2023-08-22
WO2019170167A2 (en) 2019-09-12
CN111164935A (en) 2020-05-15
WO2019170167A3 (en) 2020-04-02
EP3688929A4 (en) 2020-09-09
TW202046223A (en) 2020-12-16
EP3688929B1 (en) 2022-03-30

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