JP7516425B2 - 知識証明 - Google Patents

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Publication number
JP7516425B2
JP7516425B2 JP2021569311A JP2021569311A JP7516425B2 JP 7516425 B2 JP7516425 B2 JP 7516425B2 JP 2021569311 A JP2021569311 A JP 2021569311A JP 2021569311 A JP2021569311 A JP 2021569311A JP 7516425 B2 JP7516425 B2 JP 7516425B2
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JP
Japan
Prior art keywords
transaction
signature
party
script
ecdsa
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Active
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JP2021569311A
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English (en)
Japanese (ja)
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JP2022533752A5 (https=
JP2022533752A (ja
Inventor
ワハブ，ジェド
ジャン，ウェイ
ドイロン，ブロック
ライト，クレイグ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nchain Holdings Ltd
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Nchain Holdings Ltd
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Publication of JP2022533752A5 publication Critical patent/JP2022533752A5/ja
Application granted granted Critical
Publication of JP7516425B2 publication Critical patent/JP7516425B2/ja
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    • 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
    • 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
    • H04L9/32—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
    • 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
    • H04L9/50—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

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  • 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)
JP2021569311A 2019-05-24 2020-04-21 知識証明 Active JP7516425B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB1907397.2A GB201907397D0 (en) 2019-05-24 2019-05-24 Knowledge proof
GB1907397.2 2019-05-24
PCT/IB2020/053762 WO2020240289A1 (en) 2019-05-24 2020-04-21 Knowledge proof

Publications (3)

Publication Number Publication Date
JP2022533752A JP2022533752A (ja) 2022-07-25
JP2022533752A5 JP2022533752A5 (https=) 2023-03-30
JP7516425B2 true JP7516425B2 (ja) 2024-07-16

Family

ID=67385508

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021569311A Active JP7516425B2 (ja) 2019-05-24 2020-04-21 知識証明

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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100308978A1 (en) 2009-04-30 2010-12-09 Certicom Corp. System and method for authenticating rfid tags
JP2018093434A (ja) 2016-12-06 2018-06-14 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

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100308978A1 (en) 2009-04-30 2010-12-09 Certicom Corp. System and method for authenticating rfid tags
JP2018093434A (ja) 2016-12-06 2018-06-14 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

Also Published As

Publication number Publication date
CN113924748A (zh) 2022-01-11
KR20220012347A (ko) 2022-02-03
EP3977674A1 (en) 2022-04-06
JP2022533752A (ja) 2022-07-25
SG11202112015SA (en) 2021-12-30
WO2020240289A1 (en) 2020-12-03
GB201907397D0 (en) 2019-07-10
US20220239501A1 (en) 2022-07-28

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