SG11202103511WA - Encrypted asset encryption key parts allowing for assembly of an asset encryption key using a subset of the encrypted asset encryption key parts - Google Patents

Encrypted asset encryption key parts allowing for assembly of an asset encryption key using a subset of the encrypted asset encryption key parts

Info

Publication number
SG11202103511WA
SG11202103511WA SG11202103511WA SG11202103511WA SG11202103511WA SG 11202103511W A SG11202103511W A SG 11202103511WA SG 11202103511W A SG11202103511W A SG 11202103511WA SG 11202103511W A SG11202103511W A SG 11202103511WA SG 11202103511W A SG11202103511W A SG 11202103511WA
Authority
SG
Singapore
Prior art keywords
encryption key
asset encryption
key parts
encrypted
subset
Prior art date
Application number
SG11202103511WA
Inventor
Stephen Christensen
Denny Becker
Tron Black
Tyler Perkins
Original Assignee
Tzero Ip Llc
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 Tzero Ip Llc filed Critical Tzero Ip Llc
Publication of SG11202103511WA publication Critical patent/SG11202103511WA/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • H04L9/0894—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
    • H04L9/3236—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)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Health & Medical Sciences (AREA)
  • Software Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Storage Device Security (AREA)
SG11202103511WA 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 SG11202103511WA (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201862744886P 2018-10-12 2018-10-12
US201962830272P 2019-04-05 2019-04-05
US201962853231P 2019-05-28 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
SG11202103511WA true SG11202103511WA (en) 2021-05-28

Family

ID=70159251

Family Applications (2)

Application Number Title Priority Date Filing Date
SG11202103517TA SG11202103517TA (en) 2018-10-12 2019-10-07 Doubly-encrypted secret parts allowing for assembly of a secret using a subset of the doubly-encrypted secret parts
SG11202103511WA SG11202103511WA (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

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SG11202103517TA SG11202103517TA (en) 2018-10-12 2019-10-07 Doubly-encrypted secret parts allowing for assembly of a secret using a subset of the doubly-encrypted secret parts

Country Status (6)

Country Link
US (4) US11601264B2 (en)
EP (2) EP3864550A4 (en)
JP (3) JP7104248B2 (en)
KR (2) KR20210061426A (en)
SG (2) SG11202103517TA (en)
WO (2) WO2020076722A1 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG11202103517TA (en) 2018-10-12 2021-05-28 Tzero Ip Llc Doubly-encrypted secret parts allowing for assembly of a secret using a subset of the doubly-encrypted secret parts
CN113015991A (en) * 2018-10-19 2021-06-22 贝尔识别有限公司 Secure digital wallet processing system
JP7173646B2 (en) * 2019-05-22 2022-11-16 ミョータ インコーポレイテッド Methods and systems for distributed data storage with enhanced security, resilience and control
SG11202113362XA (en) * 2019-06-10 2021-12-30 Tzero Ip Llc Key recovery using encrypted secret shares
US11233658B2 (en) * 2019-08-14 2022-01-25 OX Labs Inc. Digital transaction signing for multiple client devices using secured encrypted private keys
CN111062064B (en) * 2019-12-24 2021-11-02 飞天诚信科技股份有限公司 Method and system for realizing encrypted USB flash disk system
JP2021118370A (en) * 2020-01-22 2021-08-10 キオクシア株式会社 Memory system, information processing device, and information processing system
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
US20220006613A1 (en) * 2020-07-02 2022-01-06 International Business Machines Corporation Secure secret recovery
US11522684B2 (en) 2020-09-24 2022-12-06 Capital One Services, Llc Key rotation service
CN116868540A (en) * 2021-02-12 2023-10-10 维萨国际服务协会 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 (en) * 2021-04-19 2022-09-02 湖北央中巨石信息技术有限公司 Method, system, device and medium for enhancing storage medium security
US20220385484A1 (en) * 2021-05-06 2022-12-01 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 (en) 2021-06-25 2022-01-18 Ａ・Ｔコミュニケーションズ株式会社 Data management system
US12021870B2 (en) 2021-08-10 2024-06-25 Motorola Solutions, Inc. Secure communication between different agencies in an incident area
CN114449505B (en) * 2022-03-08 2022-07-29 芯电智联(北京)科技有限公司 NFC label data transmission method, device and storage medium
CN115842844B (en) * 2023-02-27 2023-05-30 中关村科学城城市大脑股份有限公司 Data processing method based on block chain

Family Cites Families (48)

* 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
EP1183816A4 (en) 1999-05-26 2005-09-14 Ascom Hasler Mailing Sys Inc 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 (en) 2004-04-28 2005-11-02 한국에너지기술연구원 An air harmony system with heatpump and controlling methoe thereof
KR100617456B1 (en) 2004-04-28 2006-08-31 주식회사 니츠 Management method and terminal apparatus for management function of secret key
JP3607700B1 (en) 2004-04-28 2005-01-05 トラステッドソリューションズ株式会社 Backup and recovery system
JP4547233B2 (en) 2004-10-27 2010-09-22 日本電信電話株式会社 Communication system, communication method and program thereof
US7587045B2 (en) 2005-10-03 2009-09-08 Kabushiki Kaisha Toshiba System and method for securing document transmittal
US8989390B2 (en) 2005-12-12 2015-03-24 Qualcomm Incorporated Certify and split system and method for replacing cryptographic keys
JP2008099058A (en) * 2006-10-13 2008-04-24 Murata Mach Ltd Network system
JP4917453B2 (en) 2007-02-22 2012-04-18 Ｋｄｄｉ株式会社 Threshold secret sharing apparatus, threshold secret sharing method, secret information restoring method, and program
JP2009103774A (en) 2007-10-22 2009-05-14 Panasonic Corp Secret sharing system
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
EP2553905B1 (en) 2010-03-31 2018-05-09 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
WO2013060695A1 (en) * 2011-10-24 2013-05-02 Koninklijke Kpn N.V. Secure distribution of content
US9286241B2 (en) 2012-02-21 2016-03-15 Microchip Technology Incorporated Cryptographic transmission system
JP2014022920A (en) 2012-07-18 2014-02-03 Nec Corp Electronic signature system, electronic signature method, and electronic signature program
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
US10354325B1 (en) 2013-06-28 2019-07-16 Winklevoss Ip, Llc Computer-generated graphical user interface
US9898782B1 (en) * 2013-06-28 2018-02-20 Winklevoss Ip, Llc Systems, methods, and program products for operating exchange traded products holding digital math-based assets
JP2015102692A (en) 2013-11-25 2015-06-04 キヤノン株式会社 Information processor and method of the same
US9602508B1 (en) 2013-12-26 2017-03-21 Lookout, Inc. System and method for performing an action based upon two-party authorization
CN106104562B (en) 2014-03-10 2020-04-28 钱晓燕 System and method for securely storing and recovering confidential 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 (en) 2015-02-13 2016-10-14 크루셜텍 (주) Method, apparatus and computer program for issuing user certificate and verifying user
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
US10805072B2 (en) 2017-06-12 2020-10-13 Change Healthcare Holdings, Llc 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
WO2019178559A1 (en) 2018-03-15 2019-09-19 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
SG11202103517TA (en) 2018-10-12 2021-05-28 Tzero Ip Llc Doubly-encrypted secret parts allowing for assembly of a secret using a subset of the doubly-encrypted secret parts

Also Published As

Publication number Publication date
US20200119908A1 (en) 2020-04-16
EP3864550A1 (en) 2021-08-18
US20220399992A1 (en) 2022-12-15
US20200119917A1 (en) 2020-04-16
EP3864793A1 (en) 2021-08-18
US11764951B2 (en) 2023-09-19
KR20210061426A (en) 2021-05-27
JP7312892B2 (en) 2023-07-21
WO2020076722A1 (en) 2020-04-16
US11444755B2 (en) 2022-09-13
SG11202103517TA (en) 2021-05-28
JP7104248B2 (en) 2022-07-20
KR20210066867A (en) 2021-06-07
US11601264B2 (en) 2023-03-07
EP3864550A4 (en) 2022-07-06
JP2022508758A (en) 2022-01-19
JP2022508757A (en) 2022-01-19
JP7384914B2 (en) 2023-11-21
US20240007275A1 (en) 2024-01-04
WO2020076720A1 (en) 2020-04-16
JP2022133423A (en) 2022-09-13
EP3864793A4 (en) 2022-08-10

Similar Documents

Publication Publication Date Title
SG11202103511WA (en) Encrypted asset encryption key parts allowing for assembly of an asset encryption key using a subset of the encrypted asset encryption key parts
ZA201902554B (en) Blockchain data protection using homomorphic encryption
PL3545640T3 (en) Blockchain data protection using homomorphic encryption
IL268006B (en) Addressing a trusted execution environment using encryption key
EP3692681C0 (en) A system and method for quantum-safe authentication, encryption and decryption of information
SG11202113362XA (en) Key recovery using encrypted secret shares
GB202000292D0 (en) Anonymous encrypted data
EP3453135A4 (en) System and method for encryption and decryption based on quantum key distribution
EP3750099A4 (en) Key encryption handling
EP3420705A4 (en) Structure of policies for evaluating key attributes of encryption keys
EP3491574A4 (en) Data encryption key sharing for a storage system
GB2607846B (en) Dongle for ciphering data
GB201901596D0 (en) Software encryption
GB2570214B (en) Content encryption and decryption using a custom key
SG11202102202RA (en) Key management for multi-party computation
EP3461056B8 (en) Systems and methods for facilitating iterative key generation and data encryption and decryption
EP3763075A4 (en) Key encryption key wrapping
EP3834488A4 (en) Security key generation techniques
EP3420671A4 (en) Linking encryption key management with granular policy
PL3192948T3 (en) Dust cover for lock cylinder key channels
GB201807257D0 (en) Cryptographic key distribution
GB202117672D0 (en) Encrypted knowledge graph
GB201802582D0 (en) Protecting cryptographic key data
GB2590239B (en) Secure operations on encrypted data
GB2601449B (en) Key-compressible encryption