JP7551658B2 - 知識証明 - Google Patents

知識証明 Download PDF

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Publication number
JP7551658B2
JP7551658B2 JP2021569310A JP2021569310A JP7551658B2 JP 7551658 B2 JP7551658 B2 JP 7551658B2 JP 2021569310 A JP2021569310 A JP 2021569310A JP 2021569310 A JP2021569310 A JP 2021569310A JP 7551658 B2 JP7551658 B2 JP 7551658B2
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JP
Japan
Prior art keywords
transaction
signature
ecdsa
code
ecdsa signature
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
JP2021569310A
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English (en)
Japanese (ja)
Other versions
JP2022533751A5 (https=
JP2022533751A (ja
Inventor
ワハブ，ジェド
ジャン，ウェイ
ドイロン，ブロック
ヴォーガン，オーウェン
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
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 JP2022533751A publication Critical patent/JP2022533751A/ja
Publication of JP2022533751A5 publication Critical patent/JP2022533751A5/ja
Application granted granted Critical
Publication of JP7551658B2 publication Critical patent/JP7551658B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04L9/3236—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
    • H04L9/50—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)
  • Storage Device Security (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
JP2021569310A 2019-05-24 2020-04-22 知識証明 Active JP7551658B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1907395.6 2019-05-24
GBGB1907395.6A GB201907395D0 (en) 2019-05-24 2019-05-24 Knowledge proof
PCT/IB2020/053807 WO2020240295A1 (en) 2019-05-24 2020-04-22 Blockchain transaction comprising runnable code for hash-based verification

Publications (3)

Publication Number Publication Date
JP2022533751A JP2022533751A (ja) 2022-07-25
JP2022533751A5 JP2022533751A5 (https=) 2023-03-31
JP7551658B2 true JP7551658B2 (ja) 2024-09-17

Family

ID=67385361

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021569310A Active JP7551658B2 (ja) 2019-05-24 2020-04-22 知識証明

Country Status (9)

Country Link
US (1) US20220239500A1 (https=)
EP (2) EP3977673B1 (https=)
JP (1) JP7551658B2 (https=)
KR (1) KR20220012346A (https=)
CN (1) CN113906713A (https=)
GB (1) GB201907395D0 (https=)
SG (1) SG11202112017WA (https=)
WO (1) WO2020240295A1 (https=)
ZA (1) ZA202110604B (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2606528A (en) 2021-05-10 2022-11-16 Nchain Licensing Ag Multi-party blockchain address scheme
GB2606526A (en) 2021-05-10 2022-11-16 Nchain Licensing Ag Multi-party blockchain address scheme
GB2606527A (en) 2021-05-10 2022-11-16 Nchain Licensing Ag Multi-party blockchain address scheme
GB2609193A (en) * 2021-07-19 2023-02-01 Nchain Licensing Ag Enforcing conditions on blockchain transactions
GB2609194A (en) 2021-07-19 2023-02-01 Nchain Licensing Ag Enforcing conditions on blockchain transactions
CN115759159A (zh) * 2022-10-28 2023-03-07 杭州半云科技有限公司 一种基于区块链技术的应急二维码管理方法
US20240202703A1 (en) * 2022-12-15 2024-06-20 Hathor Labs System and method for blockchain transaction management

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018215876A1 (en) 2017-05-22 2018-11-29 nChain Holdings Limited Duplicating smart contracts with termination condition
WO2019034984A1 (en) 2017-08-15 2019-02-21 nChain Holdings Limited GENERATION OF RANDOM NUMBERS IN A BLOCK CHAIN

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2542556C (en) * 2005-06-03 2014-09-16 Tata Consultancy Services Limited An authentication system executing an elliptic curve digital signature cryptographic process
US8412952B1 (en) * 2009-05-06 2013-04-02 Symantec Corporation Systems and methods for authenticating requests from a client running trialware through a proof of work protocol
US9832024B2 (en) * 2015-11-13 2017-11-28 Visa International Service Association Methods and systems for PKI-based authentication
KR102753021B1 (ko) * 2016-02-23 2025-01-14 엔체인 홀딩스 리미티드 블록체인에서 교환을 구현하기 위한 토큰화 방법 및 시스템
US10540652B2 (en) * 2016-11-18 2020-01-21 Intel Corporation Technology for secure partitioning and updating of a distributed digital ledger
US11005664B2 (en) * 2018-04-16 2021-05-11 R3 Ltd. Blockchain post-quantum signature scheme
CN109614820A (zh) * 2018-12-06 2019-04-12 山东大学 基于零知识证明的智能合约认证数据隐私保护方法
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018215876A1 (en) 2017-05-22 2018-11-29 nChain Holdings Limited Duplicating smart contracts with termination condition
WO2019034984A1 (en) 2017-08-15 2019-02-21 nChain Holdings Limited GENERATION OF RANDOM NUMBERS IN A BLOCK CHAIN

Also Published As

Publication number Publication date
US20220239500A1 (en) 2022-07-28
EP4184856A1 (en) 2023-05-24
GB201907395D0 (en) 2019-07-10
CN113906713A (zh) 2022-01-07
EP3977673B1 (en) 2023-04-05
WO2020240295A1 (en) 2020-12-03
JP2022533751A (ja) 2022-07-25
EP3977673A1 (en) 2022-04-06
KR20220012346A (ko) 2022-02-03
ZA202110604B (en) 2024-07-31
SG11202112017WA (en) 2021-12-30

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