SG11202008222WA - Splitting encrypted key and encryption key used to encrypt key into key components allowing assembly with subset of key components to decrypt encrypted key - Google Patents

Splitting encrypted key and encryption key used to encrypt key into key components allowing assembly with subset of key components to decrypt encrypted key

Info

Publication number
SG11202008222WA
SG11202008222WA SG11202008222WA SG11202008222WA SG11202008222WA SG 11202008222W A SG11202008222W A SG 11202008222WA SG 11202008222W A SG11202008222W A SG 11202008222WA SG 11202008222W A SG11202008222W A SG 11202008222WA SG 11202008222W A SG11202008222W A SG 11202008222WA
Authority
SG
Singapore
Prior art keywords
key
components
encrypted
subset
encrypt
Prior art date
Application number
SG11202008222WA
Inventor
Tron Black
Denny Becker
Tyler Perkins
Joel Weight
Jesse Empey
Original Assignee
Medici Ventures Inc
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 Medici Ventures Inc filed Critical Medici Ventures Inc
Publication of SG11202008222WA publication Critical patent/SG11202008222WA/en

Links

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)
    • 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)
    • H04L9/0822—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 key encryption key
    • 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
    • H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
    • 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
    • H04L9/32—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
    • H04L9/3226—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 a predetermined code, e.g. password, passphrase or PIN
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
SG11202008222WA 2018-03-15 2019-03-15 Splitting encrypted key and encryption key used to encrypt key into key components allowing assembly with subset of key components to decrypt encrypted key SG11202008222WA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862643653P 2018-03-15 2018-03-15
US201862643655P 2018-03-15 2018-03-15
PCT/US2019/022607 WO2019178559A1 (en) 2018-03-15 2019-03-15 Splitting encrypted key and encryption key used to encrypt key into key components allowing assembly with subset of key components to decrypt encrypted key

Publications (1)

Publication Number Publication Date
SG11202008222WA true SG11202008222WA (en) 2020-09-29

Family

ID=67904214

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202008222WA SG11202008222WA (en) 2018-03-15 2019-03-15 Splitting encrypted key and encryption key used to encrypt key into key components allowing assembly with subset of key components to decrypt encrypted key

Country Status (6)

Country Link
US (2) US11146392B2 (en)
EP (1) EP3766204A4 (en)
JP (1) JP7530294B2 (en)
KR (1) KR20200123478A (en)
SG (1) SG11202008222WA (en)
WO (1) WO2019178559A1 (en)

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* Cited by examiner, † Cited by third party
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EP3766204A4 (en) 2018-03-15 2021-12-15 tZERO IP, LLC Splitting encrypted key and encryption key used to encrypt key into key components allowing assembly with subset of key components to decrypt encrypted key
WO2020076722A1 (en) 2018-10-12 2020-04-16 Medici Ventures, Inc. Encrypted asset encryption key parts allowing for assembly of an asset encryption key using a subset of the encrypted asset encryption key parts
US11233658B2 (en) * 2019-08-14 2022-01-25 OX Labs Inc. Digital transaction signing for multiple client devices using secured encrypted private keys
US11418340B2 (en) * 2019-10-11 2022-08-16 Atakama LLC Waterfall request for decryption
US11323252B2 (en) * 2019-10-11 2022-05-03 Atakama LLC Relay network for encryption system
US11251944B2 (en) * 2020-02-21 2022-02-15 Nutanix, Inc. Secure storage and usage of cryptography keys
EP4111639A4 (en) 2020-02-26 2024-02-28 tZERO IP, LLC Secret splitting and metadata storage
US20220286282A1 (en) * 2021-03-02 2022-09-08 Seagate Technology Llc Updateable encryption in self encrypting drives
US11196558B1 (en) * 2021-03-09 2021-12-07 Technology Innovation Institute Systems, methods, and computer-readable media for protecting cryptographic keys
EP4156001A1 (en) * 2021-09-27 2023-03-29 ARRIS Enterprises LLC Method and apparatus for two-step data signing
CN114205084B (en) * 2022-02-16 2022-05-17 国网浙江省电力有限公司金华供电公司 Quantum key-based electronic mail multi-operation encryption method and device
US20230291549A1 (en) * 2022-03-14 2023-09-14 Vmware, Inc. Securely sharing secret information through an unsecure channel
KR102629335B1 (en) * 2023-01-11 2024-01-25 주식회사 그루핀 Electronic device for digital wallet management based on doubled mnemonic code, and operating method thereof
CN117574409B (en) * 2024-01-15 2024-04-12 北京易油互联科技有限公司 Chemical product transportation data encryption method

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WO2000074298A1 (en) * 1999-05-26 2000-12-07 Ascom Hasler Mailing Systems, Inc. Technique for split knowledge backup and recovery of a cryptographic key
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
US6931133B2 (en) * 2002-09-03 2005-08-16 Verisign, Inc. Method and system of securely escrowing private keys in a public key infrastructure
US20050086471A1 (en) * 2003-10-20 2005-04-21 Spencer Andrew M. Removable information storage device that includes a master encryption key and encryption keys
KR100617456B1 (en) * 2004-04-28 2006-08-31 주식회사 니츠 Management method and terminal apparatus for management function of secret key
JP4701381B2 (en) * 2005-01-24 2011-06-15 国立大学法人 奈良先端科学技術大学院大学 Encryption key generation device, encryption key generation method, encrypted data distribution device, individual encryption key regeneration device, encrypted data reception device, encrypted data distribution system, encryption key generation program, and recording medium
US8989390B2 (en) * 2005-12-12 2015-03-24 Qualcomm Incorporated Certify and split system and method for replacing cryptographic keys
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JP2009103774A (en) * 2007-10-22 2009-05-14 Panasonic Corp Secret sharing system
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Also Published As

Publication number Publication date
WO2019178559A1 (en) 2019-09-19
KR20200123478A (en) 2020-10-29
JP7530294B2 (en) 2024-08-07
EP3766204A4 (en) 2021-12-15
US20220029791A1 (en) 2022-01-27
EP3766204A1 (en) 2021-01-20
JP2021520085A (en) 2021-08-12
US11888975B2 (en) 2024-01-30
US11146392B2 (en) 2021-10-12
US20190288834A1 (en) 2019-09-19

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