SG11202112015SA - Knowledge proof - Google Patents

Knowledge proof

Info

Publication number
SG11202112015SA
SG11202112015SA SG11202112015SA SG11202112015SA SG11202112015SA SG 11202112015S A SG11202112015S A SG 11202112015SA SG 11202112015S A SG11202112015S A SG 11202112015SA SG 11202112015S A SG11202112015S A SG 11202112015SA SG 11202112015S A SG11202112015S A SG 11202112015SA
Authority
SG
Singapore
Prior art keywords
transaction
signature
transactions
party
code
Prior art date
Application number
SG11202112015SA
Other languages
English (en)
Inventor
Jad Wahab
Wei Zhang
Brock Doiron
Craig Wright
Original Assignee
Nchain Holdings 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 Nchain Holdings Ltd filed Critical Nchain Holdings Ltd
Publication of SG11202112015SA publication Critical patent/SG11202112015SA/en

Links

Classifications

    • 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
    • H04L9/3218—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 proof of knowledge, e.g. Fiat-Shamir, GQ, Schnorr, ornon-interactive zero-knowledge proofs
    • 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
    • H04L9/3271—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 challenge-response
    • 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
    • H04L9/3252—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 DSA or related signature schemes, e.g. elliptic based signatures, ElGamal or Schnorr schemes
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
    • G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
    • 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
    • H04L67/104—Peer-to-peer [P2P] networks
    • 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
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
    • 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
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Finance (AREA)
  • Accounting & Taxation (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • Algebra (AREA)
  • Strategic Management (AREA)
  • Development Economics (AREA)
  • Marketing (AREA)
  • General Business, Economics & Management (AREA)
  • Technology Law (AREA)
  • Economics (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
SG11202112015SA 2019-05-24 2020-04-21 Knowledge proof SG11202112015SA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB1907397.2A GB201907397D0 (en) 2019-05-24 2019-05-24 Knowledge proof
PCT/IB2020/053762 WO2020240289A1 (en) 2019-05-24 2020-04-21 Knowledge proof

Publications (1)

Publication Number Publication Date
SG11202112015SA true SG11202112015SA (en) 2021-12-30

Family

ID=67385508

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202112015SA SG11202112015SA (en) 2019-05-24 2020-04-21 Knowledge proof

Country Status (8)

Country Link
US (1) US20220239501A1 (https=)
EP (1) EP3977674A1 (https=)
JP (1) JP7516425B2 (https=)
KR (1) KR20220012347A (https=)
CN (1) CN113924748A (https=)
GB (1) GB201907397D0 (https=)
SG (1) SG11202112015SA (https=)
WO (1) WO2020240289A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111444547B (zh) * 2020-03-20 2024-03-19 苏州链原信息科技有限公司 用于数据完整性证明的方法、设备及计算机存储介质
CA3091660A1 (en) * 2020-08-31 2021-11-03 Polymath Inc. Method, system, and medium for blockchain-enabled atomic settlement
CN112561701B (zh) * 2020-12-15 2024-07-19 长沙理工大学 一种区块链系统的交易创建方法、验证方法及交易设备
US12587488B2 (en) * 2021-10-11 2026-03-24 Citibank, N.A. Systems and methods for executing multi-party validations for complex communications across multiple computer networks using bifurcated digital signing processes
US20230130347A1 (en) * 2021-10-26 2023-04-27 Mastercard Asia/Pacific Pte. Ltd. Methods and systems for generating and validating transactions on a distributed ledger
GB2622833A (en) * 2022-09-29 2024-04-03 Nchain Licensing Ag Blockchain based read receipt

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010124390A1 (en) * 2009-04-30 2010-11-04 Certicom Corp. System and method for authenticating rfid tags
KR102753021B1 (ko) * 2016-02-23 2025-01-14 엔체인 홀딩스 리미티드 블록체인에서 교환을 구현하기 위한 토큰화 방법 및 시스템
US20170345011A1 (en) * 2016-05-26 2017-11-30 Hitfin, Inc. System and method executed on a blockchain network
JP6729334B2 (ja) 2016-12-06 2020-07-22 富士通株式会社 トランザクション管理方法、トランザクション管理プログラム及びトランザクション管理装置
EP3385894B1 (en) * 2017-04-03 2021-07-21 PLC Group AG Method for producing a cryptographically signed transaction
US10530585B2 (en) * 2017-06-07 2020-01-07 Bar-Ilan University Digital signing by utilizing multiple distinct signing keys, distributed between two parties
WO2019034951A1 (en) * 2017-08-15 2019-02-21 nChain Holdings Limited METHOD AND SYSTEM FOR DIGITAL THRESHOLD SIGNATURE
KR102209178B1 (ko) * 2018-07-17 2021-01-29 이윤경 유전체 및 유전체 정보의 보존 및 활용을 위한 방법
US11112132B2 (en) * 2018-08-22 2021-09-07 Bao Tran Systems and methods for monitoring water in a building
CN109559122B (zh) * 2018-12-07 2021-02-02 北京瑞卓喜投科技发展有限公司 区块链数据传输方法及区块链数据传输系统
CN109728910A (zh) * 2018-12-27 2019-05-07 北京永恒纪元科技有限公司 一种高效的门限分布式椭圆曲线密钥生成及签名方法和系统
MX2019006095A (es) * 2018-12-29 2019-08-14 Alibaba Group Holding Ltd Sistema y metodo para proteccion de informacion.

Also Published As

Publication number Publication date
CN113924748A (zh) 2022-01-11
KR20220012347A (ko) 2022-02-03
EP3977674A1 (en) 2022-04-06
JP7516425B2 (ja) 2024-07-16
JP2022533752A (ja) 2022-07-25
WO2020240289A1 (en) 2020-12-03
GB201907397D0 (en) 2019-07-10
US20220239501A1 (en) 2022-07-28

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