JP2023539432A - しきい値署名 - Google Patents

しきい値署名 Download PDF

Info

Publication number
JP2023539432A
JP2023539432A JP2023507541A JP2023507541A JP2023539432A JP 2023539432 A JP2023539432 A JP 2023539432A JP 2023507541 A JP2023507541 A JP 2023507541A JP 2023507541 A JP2023507541 A JP 2023507541A JP 2023539432 A JP2023539432 A JP 2023539432A
Authority
JP
Japan
Prior art keywords
signature
message
participant
public key
transaction
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
JP2023507541A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023539432A5 (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 JP2023539432A publication Critical patent/JP2023539432A/ja
Publication of JP2023539432A5 publication Critical patent/JP2023539432A5/ja
Pending legal-status Critical Current

Links

Images

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
    • H04L9/32—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
    • H04L9/3255—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 group based signatures, e.g. ring or threshold 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
    • H04L9/085—Secret sharing or secret splitting, e.g. threshold 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/088—Usage controlling of secret information, e.g. techniques for restricting cryptographic keys to pre-authorized uses, different access levels, validity of crypto-period, different key- or password length, or different strong and weak cryptographic algorithms
    • 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
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • 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)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
JP2023507541A 2020-08-18 2021-07-19 しきい値署名 Pending JP2023539432A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB2012874.0A GB2598112A (en) 2020-08-18 2020-08-18 Threshold signatures
GB2012874.0 2020-08-18
PCT/EP2021/070124 WO2022037869A1 (en) 2020-08-18 2021-07-19 Threshold signatures

Publications (2)

Publication Number Publication Date
JP2023539432A true JP2023539432A (ja) 2023-09-14
JP2023539432A5 JP2023539432A5 (https=) 2024-06-27

Family

ID=72615433

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023507541A Pending JP2023539432A (ja) 2020-08-18 2021-07-19 しきい値署名

Country Status (6)

Country Link
US (1) US20230308287A1 (https=)
EP (1) EP4169206A1 (https=)
JP (1) JP2023539432A (https=)
CN (1) CN115885498A (https=)
GB (1) GB2598112A (https=)
WO (1) WO2022037869A1 (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113094675B (zh) * 2021-04-29 2023-03-28 香港中文大学（深圳） 基于分布式模型训练的用户认证方法及装置
US11902451B2 (en) * 2021-07-01 2024-02-13 Fujitsu Limited Cross-blockchain identity and key management
US12574236B2 (en) * 2021-10-15 2026-03-10 Google Llc Stateful hash-based signing with a single public key and multiple independent signers
CN116318636B (zh) * 2021-12-20 2025-07-04 数据通信科学技术研究所 一种基于sm2的门限签名方法
US12309137B2 (en) * 2022-03-31 2025-05-20 Lenovo (United States) Inc. Adding devices to a network via a zero-knowledge protocol
US12524241B2 (en) * 2022-08-02 2026-01-13 Bank Of America Corporation System and method for automated command access approval across a network of servers
CN115412260B (zh) * 2022-08-30 2023-10-20 云海链控股股份有限公司 Sm2门限签名方法、系统、设备及计算机可读存储介质
US20240223375A1 (en) * 2022-12-28 2024-07-04 Dropbox, Inc. Zero-knowledge encryption architecture for content management systems
JPWO2024180903A1 (https=) * 2023-02-27 2024-09-06
US12574215B2 (en) * 2023-04-17 2026-03-10 Dell Products L.P. System and method for managing the security of sensitive data using multiple encryption
CN116915416B (zh) * 2023-09-14 2023-12-15 北京信安世纪科技股份有限公司 一种证书签名方法、装置以及一种证书获取方法、装置
CN119402202B (zh) * 2024-10-12 2025-11-04 湖北工业大学 适配器签名方法、签名装置、电子设备及存储介质
CN119484127B (zh) * 2024-11-21 2025-10-21 上海零数众合信息科技有限公司 基于秘密共享的群身份安全匿名认证方法及系统

Citations (4)

* 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
WO2019034986A1 (en) * 2017-08-15 2019-02-21 nChain Holdings Limited METHOD USED BY DISTRIBUTED SAFE GENERATION COMPUTER
JP2019507510A (ja) * 2016-02-23 2019-03-14 エヌチェーン ホールディングス リミテッドＮｃｈａｉｎ Ｈｏｌｄｉｎｇｓ Ｌｉｍｉｔｅｄ 情報及び階層的で決定性の暗号化鍵のセキュアな交換のための共通秘密の決定

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3634636B2 (ja) * 1998-08-05 2005-03-30 株式会社東芝 データ再生装置及びデータ記録装置並びにプログラム記録媒体
JP4292835B2 (ja) * 2003-03-13 2009-07-08 沖電気工業株式会社 秘密再構成方法、分散秘密再構成装置、及び秘密再構成システム
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
US9641341B2 (en) * 2015-03-31 2017-05-02 Duo Security, Inc. Method for distributed trust authentication
US10103885B2 (en) * 2016-01-20 2018-10-16 Mastercard International Incorporated Method and system for distributed cryptographic key provisioning and storage via elliptic curve cryptography
US10411897B2 (en) * 2017-02-17 2019-09-10 Factom, Inc. Secret sharing via blockchains
JP2020517135A (ja) * 2017-04-11 2020-06-11 エヌチェーン ホールディングス リミテッドＮｃｈａｉｎ Ｈｏｌｄｉｎｇｓ Ｌｉｍｉｔｅｄ ブロックチェーン間のセキュアな転送
GB201710176D0 (en) * 2017-06-26 2017-08-09 Nchain Holdings Ltd Computer-implemented system and method
US10511436B1 (en) * 2017-07-31 2019-12-17 EMC IP Holding Company LLC Protecting key material using white-box cryptography and split key techniques
CN118944895A (zh) * 2018-01-16 2024-11-12 区块链控股有限公司 获取数字签名的数据的计算机实现方法和系统
GB201803815D0 (en) * 2018-03-09 2018-04-25 Nchain Holdings Ltd Computer-implemented methods and systems
GB201805633D0 (en) * 2018-04-05 2018-05-23 Nchain Holdings Ltd Computer implemented method and system
US11063754B2 (en) * 2018-05-01 2021-07-13 Huawei Technologies Co., Ltd. Systems, devices, and methods for hybrid secret sharing
US11444779B2 (en) * 2018-08-02 2022-09-13 Paypal, Inc. Techniques for securing application programming interface requests using multi-party digital signatures
US11042620B2 (en) * 2019-03-05 2021-06-22 King Abdulaziz University Securing electronic documents with fingerprint/biometric data
GB2587028A (en) * 2019-09-16 2021-03-17 Nchain Holdings Ltd Cryptographically linked identities
GB2594312A (en) * 2020-04-23 2021-10-27 Nchain Holdings Ltd Digital Signatures
GB2596072A (en) * 2020-06-15 2021-12-22 Nchain Holdings Ltd Generating secret shares
US11870914B2 (en) * 2020-09-04 2024-01-09 Nchain Licensing Ag Digital signatures
US12316752B2 (en) * 2021-09-30 2025-05-27 Seagate Technology Llc Polynomial function secret sharing
CN116501694A (zh) * 2022-01-21 2023-07-28 戴尔产品有限公司 数据存储方法、数据读取方法、电子设备和程序产品

Patent Citations (4)

* 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
JP2019507510A (ja) * 2016-02-23 2019-03-14 エヌチェーン ホールディングス リミテッドＮｃｈａｉｎ Ｈｏｌｄｉｎｇｓ Ｌｉｍｉｔｅｄ 情報及び階層的で決定性の暗号化鍵のセキュアな交換のための共通秘密の決定
WO2019034986A1 (en) * 2017-08-15 2019-02-21 nChain Holdings Limited METHOD USED BY DISTRIBUTED SAFE GENERATION COMPUTER

Also Published As

Publication number Publication date
GB2598112A (en) 2022-02-23
WO2022037869A1 (en) 2022-02-24
CN115885498A (zh) 2023-03-31
US20230308287A1 (en) 2023-09-28
GB202012874D0 (en) 2020-09-30
EP4169206A1 (en) 2023-04-26

Similar Documents

Publication Publication Date Title
JP2023539432A (ja) しきい値署名
JP7679377B2 (ja) アイデンティティ（ｉｄ）ベース公開鍵生成プロトコル
KR20230002941A (ko) 비밀 공유를 갖는 （ec）dsa 임계값 서명
CN113875186A (zh) 知识证明
US20230308292A1 (en) Digital signatures
SG11202112103WA (en) Blockchain transaction comprising runnable code for hash-based verification
SG11202112015SA (en) Knowledge proof
JP2024546651A (ja) ゼロ知識証明に基づく子鍵の真正性
JP2024533084A (ja) 署名検証
JP2024547094A (ja) 署名ベースのアトミックスワップ
WO2021176284A1 (en) Method of generating a hash-based message authentication code
JP2025538580A (ja) 通信プロトコル
JP2025540718A (ja) トランザクションを使用するアクセス制御
WO2023208809A1 (en) Non-native blockchain signatures
JP2024547095A (ja) ブロックチェーントランザクション
WO2023156105A1 (en) Blockchain transaction
CN117941317A (zh) 生成区块链事务
WO2024041862A1 (en) Blockchain transaction
JP2025538622A (ja) 半透明データベース
WO2024002756A1 (en) Proof of ownership
CN117121434A (zh) 区块链实现的散列函数

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240619

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20240619

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20250617

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20251209