GB2598111A - Digital signatures - Google Patents

Digital signatures Download PDF

Info

Publication number
GB2598111A
GB2598111A GB2012873.2A GB202012873A GB2598111A GB 2598111 A GB2598111 A GB 2598111A GB 202012873 A GB202012873 A GB 202012873A GB 2598111 A GB2598111 A GB 2598111A
Authority
GB
United Kingdom
Prior art keywords
signature
message
private key
transaction
blockchain
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.)
Withdrawn
Application number
GB2012873.2A
Other languages
English (en)
Other versions
GB202012873D0 (en
Inventor
Pettit Michaella
Steven Wright Craig
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
Priority to GB2012873.2A priority Critical patent/GB2598111A/en
Publication of GB202012873D0 publication Critical patent/GB202012873D0/en
Priority to PCT/EP2021/070105 priority patent/WO2022037868A1/en
Priority to CN202180050972.XA priority patent/CN115885497A/zh
Priority to JP2023507540A priority patent/JP2023539431A/ja
Priority to US18/020,863 priority patent/US20230308292A1/en
Priority to EP21746456.9A priority patent/EP4165822A1/en
Publication of GB2598111A publication Critical patent/GB2598111A/en
Withdrawn legal-status Critical Current

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
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • 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
    • 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
    • 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
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0825—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates
    • 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
    • H04L9/3247—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)
GB2012873.2A 2020-08-18 2020-08-18 Digital signatures Withdrawn GB2598111A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB2012873.2A GB2598111A (en) 2020-08-18 2020-08-18 Digital signatures
PCT/EP2021/070105 WO2022037868A1 (en) 2020-08-18 2021-07-19 Digital signatures
CN202180050972.XA CN115885497A (zh) 2020-08-18 2021-07-19 数字签名
JP2023507540A JP2023539431A (ja) 2020-08-18 2021-07-19 デジタル署名
US18/020,863 US20230308292A1 (en) 2020-08-18 2021-07-19 Digital signatures
EP21746456.9A EP4165822A1 (en) 2020-08-18 2021-07-19 Digital signatures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2012873.2A GB2598111A (en) 2020-08-18 2020-08-18 Digital signatures

Publications (2)

Publication Number Publication Date
GB202012873D0 GB202012873D0 (en) 2020-09-30
GB2598111A true GB2598111A (en) 2022-02-23

Family

ID=72473581

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2012873.2A Withdrawn GB2598111A (en) 2020-08-18 2020-08-18 Digital signatures

Country Status (6)

Country Link
US (1) US20230308292A1 (https=)
EP (1) EP4165822A1 (https=)
JP (1) JP2023539431A (https=)
CN (1) CN115885497A (https=)
GB (1) GB2598111A (https=)
WO (1) WO2022037868A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11902451B2 (en) * 2021-07-01 2024-02-13 Fujitsu Limited Cross-blockchain identity and key management
US12225111B2 (en) * 2022-03-08 2025-02-11 SanDisk Technologies, Inc. Authorization requests from a data storage device to multiple manager devices
GB2618093A (en) * 2022-04-26 2023-11-01 Nchain Licensing Ag Non-native blockchain signatures
US12289419B2 (en) * 2022-12-05 2025-04-29 Provable Inc. Key derivation for account management
WO2025025085A1 (en) * 2023-07-31 2025-02-06 Apple Inc. Technologies for internet protocol multimedia subsystem security

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110208970A1 (en) * 2010-02-25 2011-08-25 Certicom Corp. Digital signature and key agreement schemes
US20110213982A1 (en) * 2010-02-26 2011-09-01 Certicom Corp. Elgamal signature schemes
WO2017145016A1 (en) 2016-02-23 2017-08-31 nChain Holdings Limited Determining a common secret for the secure exchange of information and hierarchical, deterministic cryptographic keys
WO2017145048A1 (en) * 2016-02-23 2017-08-31 nChain Holdings Limited Cryptographic method and system for secure extraction of data from a blockchain

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2763194B1 (fr) * 1997-05-07 2000-07-28 Gemplus Card Int Generateur pseudo-aleatoire base sur une fonction de hachage pour systemes cryptographiques necessitant le tirage d'aleas
US20060153367A1 (en) * 2005-01-07 2006-07-13 Beeson Curtis L Digital signature system based on shared knowledge
US9621525B2 (en) * 2014-06-02 2017-04-11 Qualcomm Incorporated Semi-deterministic digital signature generation
GB201806112D0 (en) * 2018-04-13 2018-05-30 Nchain Holdings Ltd Computer-implemented system and method
US11100578B2 (en) * 2018-05-16 2021-08-24 Chicago Mercantile Exchange Inc. Secure deterministic tokens for encrypting electronic communications
US10491404B1 (en) * 2018-09-12 2019-11-26 Hotpyp, Inc. Systems and methods for cryptographic key generation and authentication
US10511447B1 (en) * 2018-09-26 2019-12-17 Guardtime Sa System and method for generating one-time data signatures
US11095634B2 (en) * 2019-01-31 2021-08-17 Salesforce.Com, Inc. User authentication using multi-party computation and public key cryptography
US10581616B1 (en) * 2019-07-11 2020-03-03 ISARA Corporation Managing nodes of a cryptographic hash tree in a hash-based digital signature scheme

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110208970A1 (en) * 2010-02-25 2011-08-25 Certicom Corp. Digital signature and key agreement schemes
US20110213982A1 (en) * 2010-02-26 2011-09-01 Certicom Corp. Elgamal signature schemes
WO2017145016A1 (en) 2016-02-23 2017-08-31 nChain Holdings Limited Determining a common secret for the secure exchange of information and hierarchical, deterministic cryptographic keys
WO2017145048A1 (en) * 2016-02-23 2017-08-31 nChain Holdings Limited Cryptographic method and system for secure extraction of data from a blockchain

Also Published As

Publication number Publication date
CN115885497A (zh) 2023-03-31
US20230308292A1 (en) 2023-09-28
WO2022037868A1 (en) 2022-02-24
JP2023539431A (ja) 2023-09-14
EP4165822A1 (en) 2023-04-19
GB202012873D0 (en) 2020-09-30

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)