JP2023539431A - デジタル署名 - Google Patents

デジタル署名 Download PDF

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Publication number
JP2023539431A
JP2023539431A JP2023507540A JP2023507540A JP2023539431A JP 2023539431 A JP2023539431 A JP 2023539431A JP 2023507540 A JP2023507540 A JP 2023507540A JP 2023507540 A JP2023507540 A JP 2023507540A JP 2023539431 A JP2023539431 A JP 2023539431A
Authority
JP
Japan
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.)
Pending
Application number
JP2023507540A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023539431A5 (https=
Inventor
ペティット，ミカエラ
ライト，クレイグ，スティーヴン
マッケイ，アレクサンダー
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 JP2023539431A publication Critical patent/JP2023539431A/ja
Publication of JP2023539431A5 publication Critical patent/JP2023539431A5/ja
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
    • H04L9/32—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
    • 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
    • H04L9/08—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)
JP2023507540A 2020-08-18 2021-07-19 デジタル署名 Pending JP2023539431A (ja)

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 (2)

Publication Number Publication Date
JP2023539431A true JP2023539431A (ja) 2023-09-14
JP2023539431A5 JP2023539431A5 (https=) 2024-06-27

Family

ID=72473581

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023507540A Pending JP2023539431A (ja) 2020-08-18 2021-07-19 デジタル署名

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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001507479A (ja) * 1997-05-07 2001-06-05 ジェムプリュス エス．セー．アー． ランダム抽出を必要とする暗号システムのためのハッシュ関数に基づく疑似ランダム生成器
JP2017517770A (ja) * 2014-06-02 2017-06-29 クアルコム，インコーポレイテッド 半決定論的デジタル署名生成
WO2019197926A1 (en) * 2018-04-13 2019-10-17 nChain Holdings Limited Computer-implemented system and method suitable for increasing the security of instant off-line blockchain transactions

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001507479A (ja) * 1997-05-07 2001-06-05 ジェムプリュス エス．セー．アー． ランダム抽出を必要とする暗号システムのためのハッシュ関数に基づく疑似ランダム生成器
JP2017517770A (ja) * 2014-06-02 2017-06-29 クアルコム，インコーポレイテッド 半決定論的デジタル署名生成
WO2019197926A1 (en) * 2018-04-13 2019-10-17 nChain Holdings Limited Computer-implemented system and method suitable for increasing the security of instant off-line blockchain transactions

Also Published As

Publication number Publication date
CN115885497A (zh) 2023-03-31
US20230308292A1 (en) 2023-09-28
WO2022037868A1 (en) 2022-02-24
EP4165822A1 (en) 2023-04-19
GB202012873D0 (en) 2020-09-30
GB2598111A (en) 2022-02-23

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