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
knowledge proof
proof
knowledge
Prior art date
Application number
SG11202112015SA
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; 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
    • 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
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 (en)
EP (1) EP3977674A1 (en)
JP (1) JP2022533752A (en)
KR (1) KR20220012347A (en)
CN (1) CN113924748A (en)
GB (1) GB201907397D0 (en)
SG (1) SG11202112015SA (en)
WO (1) WO2020240289A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111444547B (en) * 2020-03-20 2024-03-19 苏州链原信息科技有限公司 Method, apparatus and computer storage medium for data integrity attestation
CA3091660A1 (en) * 2020-08-31 2021-11-03 Polymath Inc. Method, system, and medium for blockchain-enabled atomic settlement
CN112561701A (en) * 2020-12-15 2021-03-26 长沙理工大学 Transaction creating method, verification method and transaction equipment of blockchain system
GB2622833A (en) * 2022-09-29 2024-04-03 Nchain Licensing Ag Blockchain based read receipt

Family Cites Families (9)

* 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
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
EP3669490A1 (en) * 2017-08-15 2020-06-24 Nchain Holdings Limited Threshold digital signature method and system
KR102209178B1 (en) * 2018-07-17 2021-01-29 이윤경 Method for preserving and utilizing genome and genome information
US11112132B2 (en) * 2018-08-22 2021-09-07 Bao Tran Systems and methods for monitoring water in a building
CN109728910A (en) * 2018-12-27 2019-05-07 北京永恒纪元科技有限公司 A kind of efficient thresholding distribution elliptic curve key generates and endorsement method and system
JP6871380B2 (en) * 2018-12-29 2021-05-12 アドバンスド ニュー テクノロジーズ カンパニー リミテッド Information protection systems and methods

Also Published As

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

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