ZA202110604B - Blockchain transaction comprising runnable code for hash-based verification - Google Patents

Blockchain transaction comprising runnable code for hash-based verification

Info

Publication number
ZA202110604B
ZA202110604B ZA2021/10604A ZA202110604A ZA202110604B ZA 202110604 B ZA202110604 B ZA 202110604B ZA 2021/10604 A ZA2021/10604 A ZA 2021/10604A ZA 202110604 A ZA202110604 A ZA 202110604A ZA 202110604 B ZA202110604 B ZA 202110604B
Authority
ZA
South Africa
Prior art keywords
transaction
code
private key
ecdsa signature
ecdsa
Prior art date
Application number
ZA2021/10604A
Other languages
English (en)
Inventor
Jad Wahab
Wei Zhang
Brock Doiron
Owen Vaughan
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 ZA202110604B publication Critical patent/ZA202110604B/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
    • H04L9/3236—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)
ZA2021/10604A 2019-05-24 2021-12-17 Blockchain transaction comprising runnable code for hash-based verification ZA202110604B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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 (1)

Publication Number Publication Date
ZA202110604B true ZA202110604B (en) 2024-07-31

Family

ID=67385361

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2021/10604A ZA202110604B (en) 2019-05-24 2021-12-17 Blockchain transaction comprising runnable code for hash-based verification

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

Family Cites Families (10)

* 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
JP2020525880A (ja) * 2017-05-22 2020-08-27 エヌチェーン ホールディングス リミテッドＮｃｈａｉｎ Ｈｏｌｄｉｎｇｓ Ｌｉｍｉｔｅｄ パラメータ化可能なスマートコントラクト
CN110998629B (zh) 2017-08-15 2025-03-04 区块链控股有限公司 区块链中的随机数生成
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

Also Published As

Publication number Publication date
JP7551658B2 (ja) 2024-09-17
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
SG11202112017WA (en) 2021-12-30

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