JP2023539432A5 - - Google Patents
Info
- Publication number
- JP2023539432A5 JP2023539432A5 JP2023507541A JP2023507541A JP2023539432A5 JP 2023539432 A5 JP2023539432 A5 JP 2023539432A5 JP 2023507541 A JP2023507541 A JP 2023507541A JP 2023507541 A JP2023507541 A JP 2023507541A JP 2023539432 A5 JP2023539432 A5 JP 2023539432A5
- Authority
- JP
- Japan
- Prior art keywords
- signature
- message
- public key
- participant
- data item
- 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
Links
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 JP2023539432A (ja) | 2023-09-14 |
| JP2023539432A5 true 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)
| 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 |
Family Cites Families (26)
| 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 |
| 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 |
| US9621525B2 (en) * | 2014-06-02 | 2017-04-11 | Qualcomm Incorporated | Semi-deterministic digital signature generation |
| 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 |
| 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 |
| 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 |
| EP3669491B1 (en) * | 2017-08-15 | 2024-02-07 | nChain Licensing AG | Threshold ecdsa for securing bitcoin wallet |
| 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 |
-
2020
- 2020-08-18 GB GB2012874.0A patent/GB2598112A/en not_active Withdrawn
-
2021
- 2021-07-19 EP EP21746463.5A patent/EP4169206A1/en active Pending
- 2021-07-19 WO PCT/EP2021/070124 patent/WO2022037869A1/en not_active Ceased
- 2021-07-19 JP JP2023507541A patent/JP2023539432A/ja active Pending
- 2021-07-19 US US18/020,861 patent/US20230308287A1/en not_active Abandoned
- 2021-07-19 CN CN202180050970.0A patent/CN115885498A/zh active Pending
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