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IT202200009479A1 - Method for generating a cryptographic key using quantum sources of light - Google Patents

Method for generating a cryptographic key using quantum sources of light Download PDF

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Publication number
IT202200009479A1
IT202200009479A1 IT102022000009479A IT202200009479A IT202200009479A1 IT 202200009479 A1 IT202200009479 A1 IT 202200009479A1 IT 102022000009479 A IT102022000009479 A IT 102022000009479A IT 202200009479 A IT202200009479 A IT 202200009479A IT 202200009479 A1 IT202200009479 A1 IT 202200009479A1
Authority
IT
Italy
Prior art keywords
generating
light
cryptographic key
quantum sources
quantum
Prior art date
Application number
IT102022000009479A
Other languages
English (en)
Inventor
Magdalena Stobinska
Adam Juliusz Buraczewski
Thomas George Mcdermott
Original Assignee
Levelquantum S R L
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 Levelquantum S R L filed Critical Levelquantum S R L
Priority to IT102022000009479A priority Critical patent/IT202200009479A1/it
Priority to US18/863,577 priority patent/US12362925B2/en
Priority to IL316888A priority patent/IL316888A/en
Priority to CA3252664A priority patent/CA3252664A1/en
Priority to PCT/IB2023/054783 priority patent/WO2023218341A1/en
Priority to EP23726638.2A priority patent/EP4523367A1/en
Priority to KR1020247038433A priority patent/KR20250007575A/ko
Priority to AU2023268033A priority patent/AU2023268033A1/en
Publication of IT202200009479A1 publication Critical patent/IT202200009479A1/it

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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
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N10/00—Quantum computing, i.e. information processing based on quantum-mechanical phenomena
    • G06N10/40—Physical realisations or architectures of quantum processors or components for manipulating qubits, e.g. qubit coupling or qubit control
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/3526—Non-linear optics using two-photon emission or absorption processes
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/355—Non-linear optics characterised by the materials used
    • G02F1/3551—Crystals
    • G02F1/3553—Crystals having the formula MTiOYO4, where M=K, Rb, TI, NH4 or Cs and Y=P or As, e.g. KTP
    • 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
    • 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
    • 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)
    • 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
    • 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)
    • H04L9/0827—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) involving distinctive intermediate devices or communication paths
    • 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
    • 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
    • H04L9/0855—Quantum cryptography involving additional nodes, e.g. quantum relays, repeaters, intermediate nodes or remote nodes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Evolutionary Computation (AREA)
  • Software Systems (AREA)
  • Data Mining & Analysis (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Computational Mathematics (AREA)
  • Optical Communication System (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
IT102022000009479A 2022-05-09 2022-05-09 Method for generating a cryptographic key using quantum sources of light IT202200009479A1 (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT102022000009479A IT202200009479A1 (it) 2022-05-09 2022-05-09 Method for generating a cryptographic key using quantum sources of light
US18/863,577 US12362925B2 (en) 2022-05-09 2023-05-09 Method for remote generation of two arbitrary-length identical random cryptographic keys with the device-independent security using entangled multi- photon sources of quantum light
IL316888A IL316888A (en) 2022-05-09 2023-05-09 A method for remotely generating two identical random cryptographic keys of arbitrary length with device-independent security using entangled multiphoton sources of quantum light
CA3252664A CA3252664A1 (en) 2022-05-09 2023-05-09 METHOD FOR REMOTELY GENERING TWO IDENTICAL RANDOM CRYPTOGRAPHIC KEYS OF ARBITRARY LENGTH WITH DEVICE-INDEPENDENT SECURITY USING ENTANGLED MULTIPHOTONIC QUANTUM LIGHT SOURCES
PCT/IB2023/054783 WO2023218341A1 (en) 2022-05-09 2023-05-09 Method for remote generation of two arbitrary-length identical random cryptographic keys with the device-independent security using entangled multiphoton sources of quantum light
EP23726638.2A EP4523367A1 (en) 2022-05-09 2023-05-09 Method for remote generation of two arbitrary-length identical random cryptographic keys with the device-independent security using entangled multiphoton sources of quantum light
KR1020247038433A KR20250007575A (ko) 2022-05-09 2023-05-09 양자 광의 얽힌 다광자 소스를 사용하여 디바이스-독립 보안을 갖춘 두 개의 임의의 길이의 동일한 랜덤 암호화 키의 원격 생성 방법
AU2023268033A AU2023268033A1 (en) 2022-05-09 2023-05-09 Method for remote generation of two arbitrary-length identical random cryptographic keys with the device-independent security using entangled multiphoton sources of quantum light

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102022000009479A IT202200009479A1 (it) 2022-05-09 2022-05-09 Method for generating a cryptographic key using quantum sources of light

Publications (1)

Publication Number Publication Date
IT202200009479A1 true IT202200009479A1 (it) 2023-11-09

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Family Applications (1)

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IT102022000009479A IT202200009479A1 (it) 2022-05-09 2022-05-09 Method for generating a cryptographic key using quantum sources of light

Country Status (8)

Country Link
US (1) US12362925B2 (it)
EP (1) EP4523367A1 (it)
KR (1) KR20250007575A (it)
AU (1) AU2023268033A1 (it)
CA (1) CA3252664A1 (it)
IL (1) IL316888A (it)
IT (1) IT202200009479A1 (it)
WO (1) WO2023218341A1 (it)

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CN119555224B (zh) * 2024-11-28 2025-10-24 华南师范大学 一种基于相位敏感非厄米四波混频的光学相位测量方法
CN120110665B (zh) * 2025-05-08 2025-07-18 齐鲁工业大学(山东省科学院) 基于零光子催化的多环离散调制量子密钥分发方法及系统

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Also Published As

Publication number Publication date
US20250112766A1 (en) 2025-04-03
WO2023218341A1 (en) 2023-11-16
IL316888A (en) 2025-01-01
AU2023268033A1 (en) 2024-11-28
US12362925B2 (en) 2025-07-15
KR20250007575A (ko) 2025-01-14
CA3252664A1 (en) 2023-11-16
EP4523367A1 (en) 2025-03-19

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