GB202213757D0 - Method and a system for side-channel information defence - Google Patents

Method and a system for side-channel information defence

Info

Publication number
GB202213757D0
GB202213757D0 GBGB2213757.4A GB202213757A GB202213757D0 GB 202213757 D0 GB202213757 D0 GB 202213757D0 GB 202213757 A GB202213757 A GB 202213757A GB 202213757 D0 GB202213757 D0 GB 202213757D0
Authority
GB
United Kingdom
Prior art keywords
channel information
defence
information defence
channel
information
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.)
Pending
Application number
GBGB2213757.4A
Other versions
GB2622595A (en
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.)
Arqit Ltd
Original Assignee
Arqit 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 Arqit Ltd filed Critical Arqit Ltd
Priority to GB2213757.4A priority Critical patent/GB2622595A/en
Publication of GB202213757D0 publication Critical patent/GB202213757D0/en
Priority to PCT/GB2023/052185 priority patent/WO2024062211A1/en
Publication of GB2622595A publication Critical patent/GB2622595A/en
Pending legal-status Critical Current

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
    • H04L9/002—Countermeasures against attacks on cryptographic mechanisms
    • 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
    • H04L9/002—Countermeasures against attacks on cryptographic mechanisms
    • H04L9/003—Countermeasures against attacks on cryptographic mechanisms for power analysis, e.g. differential power analysis [DPA] or simple power analysis [SPA]
    • 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
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
    • G06F21/75—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information by inhibiting the analysis of circuitry or operation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/58—Random or pseudo-random number generators
    • 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
    • H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
    • 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
    • H04L2209/08—Randomization, e.g. dummy operations or using noise
    • 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
    • H04L2209/30—Compression, e.g. Merkle-Damgard construction
    • 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
    • H04L2209/34—Encoding or coding, e.g. Huffman coding or error correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Physics (AREA)
  • Computational Mathematics (AREA)
  • Software Systems (AREA)
  • Complex Calculations (AREA)
GB2213757.4A 2022-09-20 2022-09-20 Method and a system for side-channel information defence Pending GB2622595A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB2213757.4A GB2622595A (en) 2022-09-20 2022-09-20 Method and a system for side-channel information defence
PCT/GB2023/052185 WO2024062211A1 (en) 2022-09-20 2023-08-22 Method and a system for side-channel information defence

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2213757.4A GB2622595A (en) 2022-09-20 2022-09-20 Method and a system for side-channel information defence

Publications (2)

Publication Number Publication Date
GB202213757D0 true GB202213757D0 (en) 2022-11-02
GB2622595A GB2622595A (en) 2024-03-27

Family

ID=84817776

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2213757.4A Pending GB2622595A (en) 2022-09-20 2022-09-20 Method and a system for side-channel information defence

Country Status (2)

Country Link
GB (1) GB2622595A (en)
WO (1) WO2024062211A1 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113472515B (en) * 2021-06-30 2023-09-01 中国科学技术大学 Method for checking capability of user for defending side channel attack

Also Published As

Publication number Publication date
GB2622595A (en) 2024-03-27
WO2024062211A1 (en) 2024-03-28

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