KR20210066867A - 암호화된 자산 암호화 키 부분의 서브세트를 사용하여 자산 암호화 키의 어셈블리를 허용하는 암호화된 자산 암호화 키 부분 - Google Patents

암호화된 자산 암호화 키 부분의 서브세트를 사용하여 자산 암호화 키의 어셈블리를 허용하는 암호화된 자산 암호화 키 부분 Download PDF

Info

Publication number
KR20210066867A
KR20210066867A KR1020217012378A KR20217012378A KR20210066867A KR 20210066867 A KR20210066867 A KR 20210066867A KR 1020217012378 A KR1020217012378 A KR 1020217012378A KR 20217012378 A KR20217012378 A KR 20217012378A KR 20210066867 A KR20210066867 A KR 20210066867A
Authority
KR
South Korea
Prior art keywords
key
encrypted
public
portions
encryption key
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.)
Withdrawn
Application number
KR1020217012378A
Other languages
English (en)
Korean (ko)
Inventor
스티븐 크리스텐슨
데니 베커
트론 블랙
타일러 퍼킨스
Original Assignee
티제로 아이피, 엘엘씨
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 티제로 아이피, 엘엘씨 filed Critical 티제로 아이피, 엘엘씨
Publication of KR20210066867A publication Critical patent/KR20210066867A/ko
Withdrawn legal-status Critical Current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
    • H04L9/08—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
    • H04L9/0816—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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/602—Providing cryptographic facilities or services
    • 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
    • H04L9/0877—Generation of secret information including derivation or calculation of cryptographic keys or passwords using additional device, e.g. trusted platform module [TPM], smartcard, USB or hardware security module [HSM]
    • 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
    • H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
    • 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
    • H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or 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
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
    • H04L9/3073—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves involving pairings, e.g. identity based encryption [IBE], bilinear mappings or bilinear pairings, e.g. Weil or Tate pairing
    • 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
    • H04L9/3236—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 cryptographic hash functions
    • H04L9/3239—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 cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
    • 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
    • H04L9/32—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
    • H04L9/32—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
    • H04L9/3297—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 time stamps, e.g. generation of time stamps
    • 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)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Algebra (AREA)
  • Storage Device Security (AREA)
KR1020217012378A 2018-10-12 2019-10-07 암호화된 자산 암호화 키 부분의 서브세트를 사용하여 자산 암호화 키의 어셈블리를 허용하는 암호화된 자산 암호화 키 부분 Withdrawn KR20210066867A (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201862744886P 2018-10-12 2018-10-12
US62/744,886 2018-10-12
US201962830272P 2019-04-05 2019-04-05
US62/830,272 2019-04-05
US201962853231P 2019-05-28 2019-05-28
US62/853,231 2019-05-28
PCT/US2019/055034 WO2020076722A1 (en) 2018-10-12 2019-10-07 Encrypted asset encryption key parts allowing for assembly of an asset encryption key using a subset of the encrypted asset encryption key parts

Publications (1)

Publication Number Publication Date
KR20210066867A true KR20210066867A (ko) 2021-06-07

Family

ID=70159251

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020217012378A Withdrawn KR20210066867A (ko) 2018-10-12 2019-10-07 암호화된 자산 암호화 키 부분의 서브세트를 사용하여 자산 암호화 키의 어셈블리를 허용하는 암호화된 자산 암호화 키 부분
KR1020217012377A Pending KR20210061426A (ko) 2018-10-12 2019-10-07 이중 암호화된 시크릿 부분의 서브세트를 사용하여 시크릿의 어셈블리를 허용하는 이중 암호화된 시크릿 부분

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020217012377A Pending KR20210061426A (ko) 2018-10-12 2019-10-07 이중 암호화된 시크릿 부분의 서브세트를 사용하여 시크릿의 어셈블리를 허용하는 이중 암호화된 시크릿 부분

Country Status (6)

Country Link
US (4) US11444755B2 (https=)
EP (2) EP3864550A4 (https=)
JP (3) JP7104248B2 (https=)
KR (2) KR20210066867A (https=)
SG (2) SG11202103517TA (https=)
WO (2) WO2020076722A1 (https=)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN113015991A (zh) * 2018-10-19 2021-06-22 贝尔识别有限公司 安全的数字钱包处理系统
WO2020236500A1 (en) * 2019-05-22 2020-11-26 Myota, Inc. Method and system for distributed data storage with enhanced security, resilience, and control
JP2022536645A (ja) * 2019-06-10 2022-08-18 ティーゼロ・アイピー，エルエルシー 暗号化された秘密シェアを使用した鍵の回復
US11233658B2 (en) * 2019-08-14 2022-01-25 OX Labs Inc. Digital transaction signing for multiple client devices using secured encrypted private keys
CN111062064B (zh) * 2019-12-24 2021-11-02 飞天诚信科技股份有限公司 一种加密u盘系统的实现方法及系统
JP2021118370A (ja) * 2020-01-22 2021-08-10 キオクシア株式会社 メモリシステム、情報処理装置、および情報処理システム
CA3169707A1 (en) 2020-02-26 2021-09-02 Michael D ORNELAS Secret splitting and metadata storage
US11563568B2 (en) * 2020-02-27 2023-01-24 Comcast Cable Communications, Llc Scalable content restriction
US11451558B2 (en) * 2020-03-16 2022-09-20 The Boeing Company Information system end user location detection technique
US11398901B2 (en) * 2020-03-26 2022-07-26 Walmart Apollo, Llc Restricted partial key storage
US12052346B2 (en) * 2020-07-02 2024-07-30 International Business Machines Corporation Secure secret recovery
US11522684B2 (en) 2020-09-24 2022-12-06 Capital One Services, Llc Key rotation service
US20220141014A1 (en) * 2020-11-05 2022-05-05 PolySign, Inc. Storing secret data on a blockchain
US12101402B2 (en) * 2020-12-14 2024-09-24 International Business Machines Corporation Key rotation on a publish-subscribe system
WO2022173930A1 (en) * 2021-02-12 2022-08-18 Visa International Service Association Privacy preserving identity data exchange based on hybrid encryption
US11757634B2 (en) * 2021-03-30 2023-09-12 Bank Of America Corporation System for secure client-side cryptographic key retrieval using cryptographic key splitting and wrapping
CN113111396B (zh) * 2021-04-19 2022-09-02 湖北央中巨石信息技术有限公司 一种增强存储媒体安全性的方法及系统及装置及介质
US12452084B2 (en) * 2021-05-06 2025-10-21 University Of South Florida Lightweight post-quantum authentication
US11748502B2 (en) * 2021-06-10 2023-09-05 Dell Products L.P. System and method of utilizing a system to secure a document
JP6999144B1 (ja) * 2021-06-25 2022-01-18 Ａ・Ｔコミュニケーションズ株式会社 データ管理システム
US12021870B2 (en) * 2021-08-10 2024-06-25 Motorola Solutions, Inc. Secure communication between different agencies in an incident area
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
WO2023023821A1 (en) * 2021-08-25 2023-03-02 Ric B Richardson Method of transaction escrow using blockchain wallets
US12032715B2 (en) 2022-01-04 2024-07-09 Bank Of America Corporation System and method for securing information in a distributed network via a distributed identifier
JP2025506304A (ja) * 2022-02-11 2025-03-07 リス エルエルシー 物理デバイス識別子を使用してブロックチェーン上でデジタルトークンを生成および維持すること
CN114449505B (zh) * 2022-03-08 2022-07-29 芯电智联(北京)科技有限公司 一种nfc标签数据的传输方法、设备和存储介质
US12301551B2 (en) * 2022-05-25 2025-05-13 CybXSecurity LLC System, method, and computer program product for generating secure messages for messaging
US12159278B1 (en) * 2022-10-06 2024-12-03 Wells Fargo Bank, N.A. Virtual asset freeze
CN115842844B (zh) * 2023-02-27 2023-05-30 中关村科学城城市大脑股份有限公司 一种基于区块链的数据处理方法
EP4498635A1 (fr) * 2023-07-25 2025-01-29 Crypto Key Guardian Procédé cryptographique de gestion d'une phrase de mots
US12587838B2 (en) * 2023-10-19 2026-03-24 International Business Machines Corporation Encrypted end-to-end messaging using near-field communication (NFC) tags
US20250184728A1 (en) * 2023-11-30 2025-06-05 Motorola Solutions, Inc. System and method for two-factor authentication at an access control point that is not connected to a network
US20250202716A1 (en) * 2023-12-14 2025-06-19 Wells Fargo Bank, N.A. Cloud launch application security parameters (clasp)
WO2025213367A1 (en) * 2024-04-09 2025-10-16 Lemon Inc. Unbalanced private set intersection protocols on social media platforms
CN118890144B (zh) * 2024-07-05 2025-02-25 上海豌豆信息技术有限公司 一种数据库的密码修改方法及系统
US20260100822A1 (en) * 2024-10-08 2026-04-09 Circle Internet Group, Inc. Improved security and efficiency for multi-party computation wallets
US12500872B1 (en) * 2025-01-30 2025-12-16 Alan Earl Swahn Secure controlled communications

Family Cites Families (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6311171B1 (en) 1997-07-11 2001-10-30 Ericsson Inc. Symmetrically-secured electronic communication system
CA2374968C (en) 1999-05-26 2010-11-16 Neopost Technologies Technique for split knowledge backup and recovery of a cryptographic key
US7142676B1 (en) 1999-06-08 2006-11-28 Entrust Limited Method and apparatus for secure communications using third-party key provider
US7003667B1 (en) 1999-10-04 2006-02-21 Canon Kabushiki Kaisha Targeted secure printing
US20020071566A1 (en) 2000-12-11 2002-06-13 Kurn David Michael Computer system employing a split-secret cryptographic key linked to a password-based cryptographic key security scheme
US20030037237A1 (en) 2001-04-09 2003-02-20 Jean-Paul Abgrall Systems and methods for computer device authentication
US7548621B1 (en) 2002-09-26 2009-06-16 Ncr Corporation System and method for securing a base derivation key for use in injection of derived unique key per transaction devices
KR20050104202A (ko) 2004-04-28 2005-11-02 한국에너지기술연구원 히트펌프형 공조시스템 및 그 제어방법
JP3607700B1 (ja) * 2004-04-28 2005-01-05 トラステッドソリューションズ株式会社 バックアップ・リカバリシステム
KR100617456B1 (ko) 2004-04-28 2006-08-31 주식회사 니츠 비밀키 관리 기능을 가지는 비밀키 단말장치 및 비밀키관리방법
JP4547233B2 (ja) * 2004-10-27 2010-09-22 日本電信電話株式会社 コミュニケーションシステム、コミュニケーション方法およびそのプログラム
US7587045B2 (en) * 2005-10-03 2009-09-08 Kabushiki Kaisha Toshiba System and method for securing document transmittal
WO2007049267A1 (en) * 2005-10-27 2007-05-03 Nds Limited Network security system
US8989390B2 (en) 2005-12-12 2015-03-24 Qualcomm Incorporated Certify and split system and method for replacing cryptographic keys
JP2008099058A (ja) * 2006-10-13 2008-04-24 Murata Mach Ltd ネットワークシステム
JP4917453B2 (ja) * 2007-02-22 2012-04-18 Ｋｄｄｉ株式会社 閾値秘密分散装置、閾値秘密分散方法、秘密情報復元方法およびプログラム
JP2009103774A (ja) * 2007-10-22 2009-05-14 Panasonic Corp 秘密分散システム
US9185109B2 (en) * 2008-10-13 2015-11-10 Microsoft Technology Licensing, Llc Simple protocol for tangible security
US8938620B2 (en) * 2009-04-03 2015-01-20 Panasonic Corporation Measurement device and method of controlling the same
US9443097B2 (en) 2010-03-31 2016-09-13 Security First Corp. Systems and methods for securing data in motion
US9680639B2 (en) * 2011-03-31 2017-06-13 Panasonic Intellectual Property Management Co., Ltd. Secret sharing apparatus and secret sharing method that restores secret data from at least two of generated shared data
JP2014535199A (ja) * 2011-10-24 2014-12-25 コニンクリーケ・ケイピーエヌ・ナムローゼ・フェンノートシャップ コンテンツの安全な配給
US9286241B2 (en) 2012-02-21 2016-03-15 Microchip Technology Incorporated Cryptographic transmission system
JP2014022920A (ja) 2012-07-18 2014-02-03 Nec Corp 電子署名システム、電子署名方法および電子署名プログラム
US9582671B2 (en) 2014-03-06 2017-02-28 Sensity Systems Inc. Security and data privacy for lighting sensory networks
US8745415B2 (en) 2012-09-26 2014-06-03 Pure Storage, Inc. Multi-drive cooperation to generate an encryption key
US20140229386A1 (en) * 2013-02-13 2014-08-14 Mistral Mobile Secure mobile payments
US9344424B2 (en) 2013-05-23 2016-05-17 Adobe Systems Incorporated Authorizing access by a third party to a service from a service provider
US9892460B1 (en) 2013-06-28 2018-02-13 Winklevoss Ip, Llc Systems, methods, and program products for operating exchange traded products holding digital math-based assets
US10354325B1 (en) 2013-06-28 2019-07-16 Winklevoss Ip, Llc Computer-generated graphical user interface
JP2015102692A (ja) * 2013-11-25 2015-06-04 キヤノン株式会社 情報処理装置およびその方法
US9602508B1 (en) 2013-12-26 2017-03-21 Lookout, Inc. System and method for performing an action based upon two-party authorization
US20170142082A1 (en) 2014-03-10 2017-05-18 Sengi Corporation System and method for secure deposit and recovery of secret data
US9819656B2 (en) * 2014-05-09 2017-11-14 Sony Interactive Entertainment Inc. Method for secure communication using asymmetric and symmetric encryption over insecure communications
US9667416B1 (en) 2014-12-18 2017-05-30 EMC IP Holding Company LLC Protecting master encryption keys in a distributed computing environment
US9413754B2 (en) 2014-12-23 2016-08-09 Airwatch Llc Authenticator device facilitating file security
KR101666374B1 (ko) * 2015-02-13 2016-10-14 크루셜텍 (주) 사용자 인증서 발급과 사용자 인증을 위한 방법, 장치 및 컴퓨터 프로그램
US9673975B1 (en) 2015-06-26 2017-06-06 EMC IP Holding Company LLC Cryptographic key splitting for offline and online data protection
US10778439B2 (en) 2015-07-14 2020-09-15 Fmr Llc Seed splitting and firmware extension for secure cryptocurrency key backup, restore, and transaction signing platform apparatuses, methods and systems
US9954680B1 (en) 2015-12-18 2018-04-24 EMC IP Holding Company LLC Secure management of a master encryption key in a split-key based distributed computing environment
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
US20170222805A1 (en) * 2016-02-03 2017-08-03 Cocoon Data Holdings Pty Limited Escrow key fragmentation system
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
WO2018231832A1 (en) 2017-06-12 2018-12-20 PokitDok, Inc. System and method for autonomous dynamic person management
US10263775B2 (en) * 2017-06-23 2019-04-16 Microsoft Technology Licensing, Llc Policy-based key recovery
US20190238323A1 (en) * 2018-01-31 2019-08-01 Nutanix, Inc. Key managers for distributed computing systems using key sharing techniques
SG11202008222WA (en) 2018-03-15 2020-09-29 Medici Ventures Inc Splitting encrypted key and encryption key used to encrypt key into key components allowing assembly with subset of key components to decrypt encrypted key
US11050724B2 (en) * 2018-03-22 2021-06-29 Cisco Technology, Inc. IaaS-aided access control for information centric networking with Internet-of-Things
US10917234B2 (en) 2018-05-03 2021-02-09 International Business Machines Corporation Blockchain for on-chain management of off-chain storage
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

Also Published As

Publication number Publication date
EP3864793A1 (en) 2021-08-18
US20220399992A1 (en) 2022-12-15
JP7312892B2 (ja) 2023-07-21
US11444755B2 (en) 2022-09-13
US20240007275A1 (en) 2024-01-04
EP3864550A4 (en) 2022-07-06
US12219051B2 (en) 2025-02-04
JP7104248B2 (ja) 2022-07-20
JP7384914B2 (ja) 2023-11-21
EP3864793A4 (en) 2022-08-10
JP2022133423A (ja) 2022-09-13
SG11202103517TA (en) 2021-05-28
KR20210061426A (ko) 2021-05-27
JP2022508757A (ja) 2022-01-19
WO2020076720A1 (en) 2020-04-16
US11601264B2 (en) 2023-03-07
US20200119917A1 (en) 2020-04-16
US20200119908A1 (en) 2020-04-16
WO2020076722A1 (en) 2020-04-16
JP2022508758A (ja) 2022-01-19
US11764951B2 (en) 2023-09-19
SG11202103511WA (en) 2021-05-28
EP3864550A1 (en) 2021-08-18

Similar Documents

Publication Publication Date Title
US12219051B2 (en) Doubly-encrypted secret parts allowing for assembly of a secret using a subset of the doubly- encrypted secret parts
US11888975B2 (en) Splitting encrypted key and encryption key used to encrypt key into key components allowing assembly with subset of key components to decrypt encrypted key
US11431494B2 (en) Passwordless security system for data-at-rest
US11374750B2 (en) Key recovery using encrypted secret shares
US12348621B2 (en) Secret splitting and metadata storage
US20210119781A1 (en) Systems and methods for re-using cold storage keys
US20210112039A1 (en) Sharing of encrypted files without decryption
US11522691B2 (en) Techniques for virtual cryptographic key ceremonies
TWI476629B (zh) Data security and security systems and methods
US20230327859A1 (en) System and method for distributed custody access token management
WO2024026428A1 (en) Digital identity allocation, assignment, and management
JP2026032191A (ja) リカバリシステム、リカバリ装置、リカバリプログラム、リカバリ方法
HK40129729A (zh) 用於备份和安全地恢复由加密资产钱包持有的种子的方法

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20210426

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20221006

Comment text: Request for Examination of Application

PC1202 Submission of document of withdrawal before decision of registration

Comment text: [Withdrawal of Procedure relating to Patent, etc.] Withdrawal (Abandonment)

Patent event code: PC12021R01D

Patent event date: 20250324

WITB Written withdrawal of application