JP2022536645A5 - - Google Patents

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Publication number
JP2022536645A5
JP2022536645A5 JP2021573170A JP2021573170A JP2022536645A5 JP 2022536645 A5 JP2022536645 A5 JP 2022536645A5 JP 2021573170 A JP2021573170 A JP 2021573170A JP 2021573170 A JP2021573170 A JP 2021573170A JP 2022536645 A5 JP2022536645 A5 JP 2022536645A5
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JP
Japan
Prior art keywords
computing device
shares
key
recovery
user computing
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
JP2021573170A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022536645A (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/US2020/035543 external-priority patent/WO2020251795A1/en
Publication of JP2022536645A publication Critical patent/JP2022536645A/ja
Publication of JP2022536645A5 publication Critical patent/JP2022536645A5/ja
Pending legal-status Critical Current

Links

JP2021573170A 2019-06-10 2020-06-01 暗号化された秘密シェアを使用した鍵の回復 Pending JP2022536645A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962859568P 2019-06-10 2019-06-10
US62/859,568 2019-06-10
US201962931753P 2019-11-06 2019-11-06
US62/931,753 2019-11-06
PCT/US2020/035543 WO2020251795A1 (en) 2019-06-10 2020-06-01 Key recovery using encrypted secret shares

Publications (2)

Publication Number Publication Date
JP2022536645A JP2022536645A (ja) 2022-08-18
JP2022536645A5 true JP2022536645A5 (enExample) 2023-06-12

Family

ID=73650897

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021573170A Pending JP2022536645A (ja) 2019-06-10 2020-06-01 暗号化された秘密シェアを使用した鍵の回復

Country Status (6)

Country Link
US (1) US11374750B2 (enExample)
EP (1) EP3981103A4 (enExample)
JP (1) JP2022536645A (enExample)
KR (1) KR20220016910A (enExample)
SG (1) SG11202113362XA (enExample)
WO (1) WO2020251795A1 (enExample)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2018340671B2 (en) * 2017-09-29 2023-12-21 Workjam Inc. Access to secured information
US12047493B2 (en) * 2019-10-30 2024-07-23 EMC IP Holding Company LLC Threshold-based override of data privacy using distributed ledgers and key shares
US11271728B2 (en) * 2019-12-20 2022-03-08 Fujitsu Limited Secure key management
US11870898B2 (en) * 2020-05-21 2024-01-09 Workday, Inc. Split keys for wallet recovery
US11271739B2 (en) * 2020-06-25 2022-03-08 Digital 14 Llc Error-correcting key agreement for noisy cryptographic systems
GB2597539A (en) * 2020-07-28 2022-02-02 Nchain Holdings Ltd Generating shared private keys
US11632244B2 (en) * 2020-09-14 2023-04-18 Paypal, Inc. Techniques for single round multi-party computation for digital signatures
US12470378B2 (en) * 2020-10-15 2025-11-11 Keycrypt Labs Pty Ltd Secure cloud storage and retrieval of client-side encrypted files
CN112491550B (zh) * 2020-12-22 2022-05-17 湖南科技学院 一种基于车联网的移动终端设备可信认证方法及系统
CN112769567B (zh) * 2021-01-19 2023-04-07 北京枫玉科技有限公司 一种区块链hd私钥找回方法
US20220271933A1 (en) * 2021-02-19 2022-08-25 Samsung Electronics Co., Ltd. System and method for device to device secret backup and recovery
US11973865B2 (en) * 2021-03-05 2024-04-30 Michael Heu Device and method of storing a seed phrase
CN112926087B (zh) * 2021-03-09 2023-05-05 南京信息工程大学 基于二维码具有验证功能与高嵌入容量的秘密共享方法
US12547995B2 (en) 2021-03-31 2026-02-10 Jio Platforms Limited System and method for secure and traceable fund transfer operation through a distributed ledger
CN113346999B (zh) * 2021-08-09 2021-10-26 国网浙江省电力有限公司杭州供电公司 一种基于拆分加密的大脑中枢系统
GB202111737D0 (en) * 2021-08-16 2021-09-29 Blockhouse Tech Limited Storing cryptographic keys securely
EP4311162A4 (en) * 2021-08-20 2024-10-09 Samsung Electronics Co., Ltd. Electronic device for generating mnemonic words of private key and operating method of electronic device
US20230099755A1 (en) * 2021-09-24 2023-03-30 Sap Se Sql extension to key transfer system with authenticity, confidentiality, and integrity
US12255987B2 (en) * 2021-11-30 2025-03-18 Florian Kerschbaum System and method for secure detection of similarity and dissimilarity of events
JP7852717B2 (ja) * 2022-06-30 2026-04-28 日本電気株式会社 鍵発行装置、情報処理システム、方法及びプログラム
US11777727B1 (en) * 2022-08-29 2023-10-03 Osom Products, Inc. Distributed digital wallet seed phrase
US20240144264A1 (en) * 2022-10-31 2024-05-02 Dj3N, Llc Cryptographic improvements to cellular data transfer utilizing blockchain wallets
KR102878596B1 (ko) * 2022-11-09 2025-10-30 주식회사 다오솔루션 개인키 분산 저장 방법 및 이를 수행하기 위한 개인키 분산 저장 시스템
FR3144463B1 (fr) * 2022-12-23 2025-01-03 Ledger Procédé pour la sauvegarde et la restauration d'un secret détenu par un portefeuille de cryptoactifs
KR20250153184A (ko) * 2022-12-23 2025-10-24 레드거 암호자산 월렛이 보유한 비밀정보를 백업 및 복원하기 위한 방법
FR3144465B1 (fr) * 2022-12-23 2025-01-03 Ledger Procédé pour la sauvegarde et la restauration personnalisées d’un secret détenu par un portefeuille de cryptoactifs
US12327243B2 (en) * 2022-12-30 2025-06-10 Ironvest, Inc. Dynamic multi-party computation for securely utilizing and storing a secret data-item
US20240283642A1 (en) * 2023-02-22 2024-08-22 Thales Dis Usa, Inc. System and method for secure transfer of biometric templates between biometric device
JP7850899B2 (ja) * 2023-05-23 2026-04-24 株式会社レアゾン・ホールディングス 端末装置、管理装置、情報処理方法、およびプログラム
WO2025129355A1 (en) * 2023-12-22 2025-06-26 Kelvin Zero Inc. Systems and methods for resilient multiparty cryptography
JP7724918B1 (ja) * 2024-06-28 2025-08-18 楽天グループ株式会社 秘密鍵復元システム、秘密鍵復元方法、及びプログラム

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09212457A (ja) * 1996-01-30 1997-08-15 Mitsubishi Electric Corp デジタル双方向通信端末における暗号化・復号化装置
US5796830A (en) * 1996-07-29 1998-08-18 International Business Machines Corporation Interoperable cryptographic key recovery system
JPH11239124A (ja) * 1998-02-23 1999-08-31 Nippon Telegr & Teleph Corp <Ntt> 秘密鍵回復方法および装置
KR100749428B1 (ko) * 1999-12-20 2007-08-14 다이니폰 인사츠 가부시키가이샤 분산형 데이터 아카이브 장치, 시스템 및 기록 매체
JP2002077134A (ja) * 2000-08-31 2002-03-15 Toshiba Corp サーバ・クライアント・システム、データサーバ、データクライアント及びデータ提供・利用方法並びに記録媒体
JP2002252611A (ja) * 2000-12-19 2002-09-06 Matsushita Electric Ind Co Ltd 暗号通信システム、送信装置及び受信装置
US7181015B2 (en) * 2001-07-31 2007-02-20 Mcafee, Inc. Method and apparatus for cryptographic key establishment using an identity based symmetric keying technique
JP2003348065A (ja) * 2002-05-23 2003-12-05 Japan Datacom Co Ltd データ分散保管システム
JP4794970B2 (ja) * 2005-09-30 2011-10-19 株式会社エヌ・ティ・ティ・データ 秘密情報の保護方法及び通信装置
JP2007300157A (ja) * 2006-04-27 2007-11-15 Toshiba Corp 秘密分散システム、装置及びプログラム
US8170216B2 (en) * 2008-06-18 2012-05-01 Apple Inc. Techniques for validating and sharing secrets
CN106407766A (zh) * 2011-03-07 2017-02-15 安全第公司 安全文件共享方法与系统
US8731203B2 (en) * 2012-02-13 2014-05-20 Alephcloud Systems, Inc. Securing a secret of a user
US9485096B2 (en) 2013-02-06 2016-11-01 Apurva Shrivastava Encryption / decryption of data with non-persistent, non-shared passkey
US10354325B1 (en) 2013-06-28 2019-07-16 Winklevoss Ip, Llc Computer-generated graphical user interface
JP6529820B2 (ja) * 2015-05-13 2019-06-12 株式会社 インターコム 通信装置及びプログラム
US9768953B2 (en) * 2015-09-30 2017-09-19 Pure Storage, Inc. Resharing of a split secret
US10333705B2 (en) 2016-04-30 2019-06-25 Civic Technologies, Inc. Methods and apparatus for providing attestation of information using a centralized or distributed ledger
US10547592B2 (en) * 2017-01-19 2020-01-28 Hewlett Packard Enterprise Development Lp Computing a global sum that preserves privacy of parties in a multi-party environment
US10263775B2 (en) * 2017-06-23 2019-04-16 Microsoft Technology Licensing, Llc Policy-based key recovery
EP3688922A4 (en) * 2017-09-27 2020-09-09 Visa International Service Association SECURE SHARED KEY ESTABLISHMENT FOR PAIR-TO-PAIR COMMUNICATIONS
EP3704830B1 (en) * 2017-10-30 2021-09-29 Visa International Service Association Multi-party threshold authenticated encryption
US11216809B2 (en) 2018-01-17 2022-01-04 Tzero Ip, Llc Multi-approval system using M of N keys to restore a customer wallet
US10084600B1 (en) * 2018-04-16 2018-09-25 Xage Security, Inc. Decentralized information protection for confidentiality and tamper-proofing on distributed database
US11063754B2 (en) * 2018-05-01 2021-07-13 Huawei Technologies Co., Ltd. Systems, devices, and methods for hybrid secret sharing
DE102018111081A1 (de) * 2018-05-08 2019-11-14 Uniscon Universal Identity Control Gmbh Verfahren zum Sichern eines Datenaustausches in einer verteilten Infrastruktur
KR101954863B1 (ko) * 2018-07-09 2019-03-06 서울대학교산학협력단 온라인 월렛 장치 및 이의 생성과 검증 방법
US20200052889A1 (en) * 2018-08-09 2020-02-13 Cyberark Software Ltd. Secure distributed transmission and recombination of secrets
KR20210066867A (ko) * 2018-10-12 2021-06-07 티제로 아이피, 엘엘씨 암호화된 자산 암호화 키 부분의 서브세트를 사용하여 자산 암호화 키의 어셈블리를 허용하는 암호화된 자산 암호화 키 부분

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