CN115885497A - 数字签名 - Google Patents

数字签名 Download PDF

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Publication number
CN115885497A
CN115885497A CN202180050972.XA CN202180050972A CN115885497A CN 115885497 A CN115885497 A CN 115885497A CN 202180050972 A CN202180050972 A CN 202180050972A CN 115885497 A CN115885497 A CN 115885497A
Authority
CN
China
Prior art keywords
signature
message
transaction
private key
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.)
Pending
Application number
CN202180050972.XA
Other languages
English (en)
Chinese (zh)
Inventor
迈克尔拉·佩蒂特
克雷格·史蒂文·赖特
亚历山大·麦凯
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.)
Blockchain Licensing Jsc
Original Assignee
Blockchain Licensing Jsc
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 Blockchain Licensing Jsc filed Critical Blockchain Licensing Jsc
Publication of CN115885497A publication Critical patent/CN115885497A/zh
Pending legal-status Critical Current

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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
    • H04L9/08—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)
CN202180050972.XA 2020-08-18 2021-07-19 数字签名 Pending CN115885497A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB2012873.2A GB2598111A (en) 2020-08-18 2020-08-18 Digital signatures
GB2012873.2 2020-08-18
PCT/EP2021/070105 WO2022037868A1 (en) 2020-08-18 2021-07-19 Digital signatures

Publications (1)

Publication Number Publication Date
CN115885497A true CN115885497A (zh) 2023-03-31

Family

ID=72473581

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180050972.XA Pending CN115885497A (zh) 2020-08-18 2021-07-19 数字签名

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

Family Cites Families (13)

* 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
US8918648B2 (en) * 2010-02-25 2014-12-23 Certicom Corp. Digital signature and key agreement schemes
US8775813B2 (en) * 2010-02-26 2014-07-08 Certicom Corp. ElGamal signature schemes
US9621525B2 (en) * 2014-06-02 2017-04-11 Qualcomm Incorporated Semi-deterministic digital signature generation
JP6995762B2 (ja) * 2016-02-23 2022-01-17 エヌチェーン ホールディングス リミテッド ブロックチェーンからのデータのセキュアな抽出のための暗号方法及びシステム
US10652014B2 (en) 2016-02-23 2020-05-12 nChain Holdings Limited Determining a common secret for the secure exchange of information and hierarchical, deterministic cryptographic keys
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

Also Published As

Publication number Publication date
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
GB2598111A (en) 2022-02-23

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