SG11202004148PA - System for recording verification keys on a blockchain - Google Patents

System for recording verification keys on a blockchain

Info

Publication number
SG11202004148PA
SG11202004148PA SG11202004148PA SG11202004148PA SG11202004148PA SG 11202004148P A SG11202004148P A SG 11202004148PA SG 11202004148P A SG11202004148P A SG 11202004148PA SG 11202004148P A SG11202004148P A SG 11202004148PA SG 11202004148P A SG11202004148P A SG 11202004148PA
Authority
SG
Singapore
Prior art keywords
blockchain
verification keys
recording verification
recording
keys
Prior art date
Application number
SG11202004148PA
Other languages
English (en)
Inventor
Alexandra Covaci
Simone Madeo
Patrick Motylinski
Stephane Vincent
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
Priority claimed from GBGB1718505.9A external-priority patent/GB201718505D0/en
Priority claimed from GBGB1719998.5A external-priority patent/GB201719998D0/en
Priority claimed from GBGB1720768.9A external-priority patent/GB201720768D0/en
Priority claimed from GBGB1801753.3A external-priority patent/GB201801753D0/en
Priority claimed from GBGB1805948.5A external-priority patent/GB201805948D0/en
Priority claimed from GBGB1806444.4A external-priority patent/GB201806444D0/en
Application filed by Nchain Holdings Ltd filed Critical Nchain Holdings Ltd
Publication of SG11202004148PA publication Critical patent/SG11202004148PA/en

Links

Classifications

    • H—ELECTRICITY
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    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H—ELECTRICITY
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    • 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
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    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
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    • G06Q20/00—Payment architectures, schemes or protocols
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    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
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    • H04L9/0637—Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]
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    • H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
    • 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
    • H—ELECTRICITY
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    • 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
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    • 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
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    • 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
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    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H—ELECTRICITY
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    • H04L9/3221—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 interactive zero-knowledge proofs
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    • 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
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    • 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
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    • 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
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    • 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
    • H04L9/3263—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 certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements
    • 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
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    • H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash
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    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Accounting & Taxation (AREA)
  • Software Systems (AREA)
  • Computing Systems (AREA)
  • General Business, Economics & Management (AREA)
  • Strategic Management (AREA)
  • Finance (AREA)
  • Computer Hardware Design (AREA)
  • Databases & Information Systems (AREA)
  • Data Mining & Analysis (AREA)
  • Economics (AREA)
  • Development Economics (AREA)
  • Power Engineering (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Algebra (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Devices For Executing Special Programs (AREA)
  • Storage Device Security (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Debugging And Monitoring (AREA)
  • Executing Machine-Instructions (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Stored Programmes (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
SG11202004148PA 2017-11-09 2018-10-29 System for recording verification keys on a blockchain SG11202004148PA (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
GBGB1718505.9A GB201718505D0 (en) 2017-11-09 2017-11-09 Computer-implemented system and method
GBGB1719998.5A GB201719998D0 (en) 2017-11-30 2017-11-30 Computer-Implemented system and method
GBGB1720768.9A GB201720768D0 (en) 2017-12-13 2017-12-13 Computer-implemented system and method
GBGB1801753.3A GB201801753D0 (en) 2018-02-02 2018-02-02 Computer-implemented system and method
GBGB1805948.5A GB201805948D0 (en) 2018-04-10 2018-04-10 Computer-implemented system and method
GBGB1806444.4A GB201806444D0 (en) 2018-04-20 2018-04-20 Computer-implemented system and method
PCT/IB2018/058434 WO2019092544A1 (en) 2017-11-09 2018-10-29 System for recording verification keys on a blockchain

Publications (1)

Publication Number Publication Date
SG11202004148PA true SG11202004148PA (en) 2020-06-29

Family

ID=64100702

Family Applications (5)

Application Number Title Priority Date Filing Date
SG11202004146WA SG11202004146WA (en) 2017-11-09 2018-10-29 System for simplifying executable instructions for optimised verifiable computation
SG11202004149UA SG11202004149UA (en) 2017-11-09 2018-10-29 Arithmetic enhancement of c-like smart contracts for verifiable computation
SG11202004147RA SG11202004147RA (en) 2017-11-09 2018-10-29 System for securing verification key from alteration and verifying validity of a proof of correctness
SG11202004148PA SG11202004148PA (en) 2017-11-09 2018-10-29 System for recording verification keys on a blockchain
SG11202004153UA SG11202004153UA (en) 2017-11-09 2018-11-01 Distributed computing system and method

Family Applications Before (3)

Application Number Title Priority Date Filing Date
SG11202004146WA SG11202004146WA (en) 2017-11-09 2018-10-29 System for simplifying executable instructions for optimised verifiable computation
SG11202004149UA SG11202004149UA (en) 2017-11-09 2018-10-29 Arithmetic enhancement of c-like smart contracts for verifiable computation
SG11202004147RA SG11202004147RA (en) 2017-11-09 2018-10-29 System for securing verification key from alteration and verifying validity of a proof of correctness

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG11202004153UA SG11202004153UA (en) 2017-11-09 2018-11-01 Distributed computing system and method

Country Status (9)

Country Link
US (9) US20210377041A1 (de)
EP (7) EP3707623A1 (de)
JP (11) JP7234229B2 (de)
KR (5) KR20200086282A (de)
CN (7) CN111345004B (de)
SG (5) SG11202004146WA (de)
TW (2) TWI806918B (de)
WO (5) WO2019092544A1 (de)
ZA (1) ZA202002575B (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11783679B2 (en) 2014-04-08 2023-10-10 Micro-Gaming Ventures, LLC Location-based wagering via remote devices
US10903997B2 (en) * 2017-10-19 2021-01-26 Autnhive Corporation Generating keys using controlled corruption in computer networks
JP7234229B2 (ja) 2017-11-09 2023-03-07 エヌチェーン ライセンシング アーゲー 最適化された検証可能な計算のための実行可能命令を簡略化するためのシステム
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WO2019092544A1 (en) 2019-05-16
CN111316595B (zh) 2024-09-03
JP2023075152A (ja) 2023-05-30
US20210192514A1 (en) 2021-06-24
KR20200086282A (ko) 2020-07-16
CN118413305A (zh) 2024-07-30
US11575511B2 (en) 2023-02-07
WO2019092545A1 (en) 2019-05-16
SG11202004146WA (en) 2020-06-29
SG11202004149UA (en) 2020-06-29
CN111316595A (zh) 2020-06-19
US20240313947A1 (en) 2024-09-19
WO2019092543A1 (en) 2019-05-16
JP7477674B2 (ja) 2024-05-01
JP7534024B2 (ja) 2024-08-14
JP2021502745A (ja) 2021-01-28
US20230318804A1 (en) 2023-10-05
EP4092953A1 (de) 2022-11-23
US20230269070A1 (en) 2023-08-24
US20200348916A1 (en) 2020-11-05
EP3707871A1 (de) 2020-09-16
EP3707623A1 (de) 2020-09-16
CN117640170A (zh) 2024-03-01
KR20200086284A (ko) 2020-07-16
EP3707855A1 (de) 2020-09-16
ZA202002575B (en) 2023-12-20
KR20200086281A (ko) 2020-07-16
CN111345005A (zh) 2020-06-26
TWI837103B (zh) 2024-04-01
US11658801B2 (en) 2023-05-23
JP2024099659A (ja) 2024-07-25
EP3707871B1 (de) 2022-05-18
WO2019092542A1 (en) 2019-05-16
US20200266985A1 (en) 2020-08-20
US11635950B2 (en) 2023-04-25
JP7208989B2 (ja) 2023-01-19
JP2023179687A (ja) 2023-12-19
JP2023036962A (ja) 2023-03-14
TW201923648A (zh) 2019-06-16
US20210377041A1 (en) 2021-12-02
EP3707852A1 (de) 2020-09-16
EP4312403A2 (de) 2024-01-31
JP2021502746A (ja) 2021-01-28
SG11202004147RA (en) 2020-06-29
JP2023052834A (ja) 2023-04-12

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