SG11202103412PA - Computer implemented system and method for distributing shares of digitally signed data - Google Patents

Computer implemented system and method for distributing shares of digitally signed data

Info

Publication number
SG11202103412PA
SG11202103412PA SG11202103412PA SG11202103412PA SG11202103412PA SG 11202103412P A SG11202103412P A SG 11202103412PA SG 11202103412P A SG11202103412P A SG 11202103412PA SG 11202103412P A SG11202103412P A SG 11202103412PA SG 11202103412P A SG11202103412P A SG 11202103412PA
Authority
SG
Singapore
Prior art keywords
computer implemented
digitally signed
implemented system
signed data
distributing shares
Prior art date
Application number
SG11202103412PA
Inventor
Craig Steven Wright
Original Assignee
Nchain Holdings Ltd
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 Nchain Holdings Ltd filed Critical Nchain Holdings Ltd
Publication of SG11202103412PA publication Critical patent/SG11202103412PA/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
    • H04L9/0894—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
    • H04L9/30—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
    • 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
    • H04L9/3255—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
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Storage Device Security (AREA)
  • Mobile Radio Communication Systems (AREA)
SG11202103412PA 2018-10-27 2019-10-18 Computer implemented system and method for distributing shares of digitally signed data SG11202103412PA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB1817507.5A GB201817507D0 (en) 2018-10-27 2018-10-27 Computer implemented system and method
PCT/IB2019/058902 WO2020084418A1 (en) 2018-10-27 2019-10-18 Computer implemented system and method for distributing shares of digitally signed data

Publications (1)

Publication Number Publication Date
SG11202103412PA true SG11202103412PA (en) 2021-05-28

Family

ID=64560504

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202103412PA SG11202103412PA (en) 2018-10-27 2019-10-18 Computer implemented system and method for distributing shares of digitally signed data

Country Status (9)

Country Link
US (1) US11979492B2 (en)
EP (1) EP3871365A1 (en)
JP (1) JP2022504932A (en)
KR (1) KR20210082201A (en)
CN (1) CN112930660A (en)
GB (1) GB201817507D0 (en)
SG (1) SG11202103412PA (en)
TW (1) TWI807125B (en)
WO (1) WO2020084418A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112532580B (en) * 2020-10-23 2022-09-06 暨南大学 Data transmission method and system based on block chain and proxy re-encryption
TWI748925B (en) * 2021-06-09 2021-12-01 中華電信股份有限公司 Key exchange system, method for end-to-end encrypted communication and computer readable medium thereof
GB2609906B (en) * 2021-08-09 2023-12-27 Nchain Licensing Ag Generating digital signature shares
GB2609908B (en) * 2021-08-09 2023-10-18 Nchain Licensing Ag Generating Digital signatures
TWI783804B (en) * 2021-12-01 2022-11-11 英屬開曼群島商現代財富控股有限公司 Shares generation system based on linear integer secret sharing and method thereof
TWI787094B (en) * 2022-03-08 2022-12-11 穎利科研國際事業有限公司 Information security protection system
CN115767515B (en) * 2022-10-28 2023-07-14 广州声博士声学技术有限公司 Encryption sharing method and system for base station-free real-time noise big data

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7239701B1 (en) 2000-05-02 2007-07-03 Murata Machinery Ltd. Key sharing method, secret key generating method, common key generating method and cryptographic communication method in ID-NIKS cryptosystem
US9735958B2 (en) 2015-05-19 2017-08-15 Coinbase, Inc. Key ceremony of a security system forming part of a host computer for cryptographic transactions
US10411897B2 (en) * 2017-02-17 2019-09-10 Factom, Inc. Secret sharing via blockchains
US10320565B2 (en) * 2017-02-28 2019-06-11 Certicom Corp. Generating an elliptic curve point in an elliptic curve cryptographic system
EP3511851A1 (en) * 2018-01-12 2019-07-17 Siemens Healthcare GmbH Storing and accessing medical datasets on the blockchain

Also Published As

Publication number Publication date
GB201817507D0 (en) 2018-12-12
JP2022504932A (en) 2022-01-13
KR20210082201A (en) 2021-07-02
CN112930660A (en) 2021-06-08
EP3871365A1 (en) 2021-09-01
TWI807125B (en) 2023-07-01
TW202029693A (en) 2020-08-01
US11979492B2 (en) 2024-05-07
WO2020084418A1 (en) 2020-04-30
US20220006615A1 (en) 2022-01-06

Similar Documents

Publication Publication Date Title
SG11202103412PA (en) Computer implemented system and method for distributing shares of digitally signed data
GB201805633D0 (en) Computer implemented method and system
EP3732543A4 (en) Method of providing detailed map data and system therefor
ZA202005041B (en) Computer implemented method and system for obtaining digitally signed data
EP3796199A4 (en) Data management system and data management method
PL3602457T3 (en) System and method for blockchain-based data management
GB2567146B (en) Method and system for secure storage of digital data
GB201817506D0 (en) Computer implemented method and system
SG11202006493XA (en) System architecture and method of processing data therein
GB201905348D0 (en) Computer implemented method and system for encrypting data
SG11202104254UA (en) Methods and systems for interactive data management
SG11202010500WA (en) System and method for accelerating data delivery
SG11202003580XA (en) System and method for data management
GB201815396D0 (en) Computer implemented system and method
EP3695372A4 (en) Asset management system and method
EP3877879C0 (en) Methods and systems of securely transferring data
SG10201909996XA (en) Systems and methods for projecting data trends
EP3672138A4 (en) Data distribution method and distribution server
HUE056795T2 (en) System and method for the protected transmission of data
EP3610634A4 (en) System and method for dynamic management of private data
GB201819821D0 (en) Blockchain data processing system and method of operation thereof
GB201804948D0 (en) Computer implemented system and method
GB201901893D0 (en) Computer implemented system and method
GB201705333D0 (en) System and method for management of confidential data
GB201810847D0 (en) Method and system for integrating data sets