GB2593725B - Improvements to digital transactions using quantum technology - Google Patents

Improvements to digital transactions using quantum technology Download PDF

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Publication number
GB2593725B
GB2593725B GB2004695.9A GB202004695A GB2593725B GB 2593725 B GB2593725 B GB 2593725B GB 202004695 A GB202004695 A GB 202004695A GB 2593725 B GB2593725 B GB 2593725B
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GB
United Kingdom
Prior art keywords
digital transactions
quantum technology
quantum
technology
transactions
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.)
Active
Application number
GB2004695.9A
Other versions
GB2593725A (en
GB202004695D0 (en
Inventor
White Catherine
Roscoe Jonathan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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 British Telecommunications PLC filed Critical British Telecommunications PLC
Priority to GB2004695.9A priority Critical patent/GB2593725B/en
Publication of GB202004695D0 publication Critical patent/GB202004695D0/en
Publication of GB2593725A publication Critical patent/GB2593725A/en
Application granted granted Critical
Publication of GB2593725B publication Critical patent/GB2593725B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04L9/0852—Quantum cryptography
    • H04L9/0858—Details about key distillation or coding, e.g. reconciliation, error correction, privacy amplification, polarisation coding or phase coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/70—Photonic quantum communication
    • 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
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
GB2004695.9A 2020-03-31 2020-03-31 Improvements to digital transactions using quantum technology Active GB2593725B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2004695.9A GB2593725B (en) 2020-03-31 2020-03-31 Improvements to digital transactions using quantum technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2004695.9A GB2593725B (en) 2020-03-31 2020-03-31 Improvements to digital transactions using quantum technology

Publications (3)

Publication Number Publication Date
GB202004695D0 GB202004695D0 (en) 2020-05-13
GB2593725A GB2593725A (en) 2021-10-06
GB2593725B true GB2593725B (en) 2022-11-16

Family

ID=70553291

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2004695.9A Active GB2593725B (en) 2020-03-31 2020-03-31 Improvements to digital transactions using quantum technology

Country Status (1)

Country Link
GB (1) GB2593725B (en)

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ACM COMPUTING SURVEYS, vol 29, 2007, DAGMAR BRUSS ET AL, "Quantum cryptography", pages 6-es *
IEEE ACCESS, vol 7, 2019, CAI ZHENGYING ET AL, "A Blockchain Smart Contract Based on Light-Weighted Quantum Blind Signature", pages 138657-138668 *

Also Published As

Publication number Publication date
GB2593725A (en) 2021-10-06
GB202004695D0 (en) 2020-05-13

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