SG11202112908VA - Knowledge proof - Google Patents

Knowledge proof

Info

Publication number
SG11202112908VA
SG11202112908VA SG11202112908VA SG11202112908VA SG11202112908VA SG 11202112908V A SG11202112908V A SG 11202112908VA SG 11202112908V A SG11202112908V A SG 11202112908VA SG 11202112908V A SG11202112908V A SG 11202112908VA SG 11202112908V A SG11202112908V A SG 11202112908VA
Authority
SG
Singapore
Prior art keywords
knowledge proof
proof
knowledge
Prior art date
Application number
SG11202112908VA
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 SG11202112908VA publication Critical patent/SG11202112908VA/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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/085—Secret sharing or secret splitting, e.g. threshold 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
    • H04L9/3218—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
    • H04L9/3236—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
SG11202112908VA 2019-05-24 2020-05-13 Knowledge proof SG11202112908VA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB1907394.9A GB201907394D0 (en) 2019-05-24 2019-05-24 Knowledge proof
PCT/IB2020/054515 WO2020240320A1 (en) 2019-05-24 2020-05-13 Knowledge proof

Publications (1)

Publication Number Publication Date
SG11202112908VA true SG11202112908VA (en) 2021-12-30

Family

ID=67385539

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202112908VA SG11202112908VA (en) 2019-05-24 2020-05-13 Knowledge proof

Country Status (8)

Country Link
US (1) US20220239486A1 (en)
EP (2) EP4333368A3 (en)
JP (1) JP2022533845A (en)
KR (1) KR20220024124A (en)
CN (1) CN113875185A (en)
GB (1) GB201907394D0 (en)
SG (1) SG11202112908VA (en)
WO (1) WO2020240320A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB202108385D0 (en) * 2021-06-11 2021-07-28 Nchain Licensing Ag A computer implemented method and system
GB2618094A (en) * 2022-04-26 2023-11-01 Nchain Licensing Ag Blockchain transaction

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3027177B1 (en) * 2014-10-13 2016-11-04 Morpho METHOD OF AUTHENTICATING A CLIENT DEVICE FROM A SERVER USING A SECRET ELEMENT
US11107048B2 (en) * 2017-04-17 2021-08-31 International Business Machines Corporation Providing out-of-band verification for blockchain transactions
US10530585B2 (en) * 2017-06-07 2020-01-07 Bar-Ilan University Digital signing by utilizing multiple distinct signing keys, distributed between two parties
US10761877B2 (en) * 2017-07-21 2020-09-01 Intel Corporation Apparatuses, methods, and systems for blockchain transaction acceleration
US20190044725A1 (en) * 2017-08-05 2019-02-07 Proclus Technologies Limited Method and System for Securing a Blockchain with Proof-of-Transactions
WO2019052184A1 (en) 2017-09-12 2019-03-21 上海蔚来汽车有限公司 Automatic battery changing system for electric vehicle
EP3502941B1 (en) * 2017-12-19 2021-01-20 Riddle & Code GmbH Dongles and method for providing a digital signature

Also Published As

Publication number Publication date
EP3973661B1 (en) 2024-02-28
KR20220024124A (en) 2022-03-03
EP4333368A2 (en) 2024-03-06
JP2022533845A (en) 2022-07-26
CN113875185A (en) 2021-12-31
GB201907394D0 (en) 2019-07-10
EP3973661A1 (en) 2022-03-30
EP4333368A3 (en) 2024-05-15
US20220239486A1 (en) 2022-07-28
WO2020240320A1 (en) 2020-12-03

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