RU2015141966A - QUANTUM KEY DISTRIBUTION NETWORK - Google Patents

QUANTUM KEY DISTRIBUTION NETWORK Download PDF

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RU2015141966A
RU2015141966A RU2015141966A RU2015141966A RU2015141966A RU 2015141966 A RU2015141966 A RU 2015141966A RU 2015141966 A RU2015141966 A RU 2015141966A RU 2015141966 A RU2015141966 A RU 2015141966A RU 2015141966 A RU2015141966 A RU 2015141966A
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key
server
client
quantum
distribution
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RU2015141966A
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RU2621605C2 (en
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Константин Сергеевич Кравцов
Сергей Павлович Кулик
Сергей Николаевич Молотков
Игорь Васильевич Радченко
Андрей Николаевич Климов
Анатолий Иванович Климов
Ирина Геннадиевна Юдина
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Российская Федерация, от имени которой выступает ФОНД ПЕРСПЕКТИВНЫХ ИССЛЕДОВАНИЙ
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    • 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
    • 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
    • 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
    • G06F21/60—Protecting data
    • G06F21/604—Tools and structures for managing or administering access control systems

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Electromagnetism (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)

Claims (15)

1. Сеть квантового распределения ключей, включающая,1. A network of quantum key distribution, including, по меньшей мере, две локальных сети с квантовым распределением ключей, соединенные волоконно-оптическим каналом связи, причем каждая вышеупомянутая локальная сеть содержит, по меньшей мере, один сервер и, по меньшей мере, одну клиентскую часть, причем сервер включает, по меньшей мере, одну передающую серверную часть и, по меньшей мере, одну вспомогательную клиентскую часть, логически связанную с вышеуказанным сервером на одном узле.at least two local networks with a quantum key distribution connected by a fiber-optic communication channel, each of the aforementioned local networks containing at least one server and at least one client part, the server including at least one transmitting server part and at least one auxiliary client part, logically connected with the above server on one node. 2. Сеть квантового распределения ключей по п. 1, отличающаяся тем, что каждый сервер каждой локальной сети имеет независимую от других серверов балансировку оптической части.2. The network of quantum key distribution according to claim 1, characterized in that each server of each local network has an optical part balancing independent of other servers. 3. Сеть квантового распределения ключей по п. 2, отличающаяся тем, что балансировка производится следующим образом:3. The network of quantum key distribution according to claim 2, characterized in that the balancing is performed as follows: формируют серии одинаковых импульсов с помощью лазера;form a series of identical pulses using a laser; пропускают каждый импульс, полученный на предыдущем шаге, через интерферометр Маха-Цандера;passing each pulse obtained in the previous step through the Mach-Zander interferometer; выравнивают поляризацию импульсов.align the polarization of the pulses. 4. Способ синхронизации ключей между клиентами, расположенными в разных локальных сетях с квантовым распределением ключей, включающий4. A method for synchronizing keys between clients located in different local networks with a quantum key distribution, including осуществление процесса квантового распределения общего секретного ключа между первым клиентом и первым сервером, которые соединены между собой волоконно-оптическим каналом связи и расположены в первой локальной сети, при этом формируется общий ключ Κ1;the process of quantum distribution of a shared secret key between the first client and the first server, which are interconnected by a fiber-optic communication channel and are located in the first local network, and a common key Κ 1 is formed ; осуществление процесса квантового распределения общего секретного ключа между вторым клиентом и вторым сервером, которые соединены между собой волоконно-оптическим каналом связи и расположены во второй локальной сети, при этом формируется общий ключ K3;the process of quantum distribution of a shared secret key between the second client and the second server, which are interconnected by a fiber-optic communication channel and are located in the second local network, while the common key K 3 is formed ; осуществление процесса квантового распределения общего секретного ключа между первым сервером и вспомогательным клиентом второго сервера, которые соединены между собой волоконно-оптическим каналом связи, при этом формируется ключ K2;the implementation of the process of quantum distribution of the shared secret key between the first server and the auxiliary client of the second server, which are interconnected by a fiber-optic communication channel, and the key K 2 is formed ; просмотр первым сервером позиций ключей Κ1 и K2 и отправку первому клиенту номера позиций в ключе Κ1, значения которых не совпали со значениями в ключе K2;viewing by the first server the positions of keys Κ 1 and K 2 and sending to the first client the number of positions in the key Κ 1 , the values of which did not coincide with the values in the key K 2 ; получение первым клиентом номеров не совпавших позиций и формирование ключа K21 путем инвертирования в ключе Κ1 вышеуказанных не совпавших позиций;obtaining by the first client the numbers of the mismatched positions and the formation of the key K 21 by inverting in the key Κ 1 the above mismatched positions; просмотр вторым сервером позиции ключей K3 и K2 и отправка второму клиенту номера позиций в ключе K3, значения которых не совпали со значениями в ключе K2;viewing by the second server the positions of the keys K 3 and K 2 and sending to the second client the number of positions in the key K 3 , the values of which did not coincide with the values in the key K 2 ; получение вторым клиентом номеров не совпавших позиций и формирование ключа K22 путем инвертирования в ключе K3 вышеуказанных не совпавших позиций.obtaining by the second client the numbers of the mismatched items and generating the key K 22 by inverting the above mismatched items in the K 3 key.
RU2015141966A 2015-10-02 2015-10-02 Quantum key distribution network RU2621605C2 (en)

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Cited By (1)

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RU2665249C1 (en) * 2017-12-19 2018-08-28 Открытое Акционерное Общество "Информационные Технологии И Коммуникационные Системы" Controlling method of the interference image in a single-pass system of quantum cryptography

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RU2691829C1 (en) * 2018-05-31 2019-06-18 Андрей Николаевич Климов Quantum cryptography device
RU2706175C1 (en) * 2018-12-27 2019-11-14 Открытое Акционерное Общество "Информационные Технологии И Коммуникационные Системы" Method for key quantum distribution in single-pass quantum key distribution system
RU2697696C1 (en) * 2019-01-18 2019-08-16 Открытое Акционерное Общество "Информационные Технологии И Коммуникационные Системы" Method of transmitting a message over a computer network using hardware for quantum key distribution
RU2708511C1 (en) * 2019-02-04 2019-12-09 Открытое Акционерное Общество "Информационные Технологии И Коммуникационные Системы" Method of generating a key between nodes of a computer network using a quantum key distribution system
RU2723970C1 (en) * 2019-08-30 2020-06-18 Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский государственный университет имени М.В. Ломоносова" (МГУ) N-channel linear converter of electromagnetic signals and method of realizing multichannel linear conversion
RU2736870C1 (en) * 2019-12-27 2020-11-23 Открытое Акционерное Общество "Информационные Технологии И Коммуникационные Системы" Complex for secure data transmission in digital data network using single-pass quantum key distribution system and method of keys adjustment during operation of system
RU2754758C1 (en) * 2021-02-09 2021-09-07 ОБЩЕСТВО С ОГРАНИЧЕННОЙ ОТВЕТСТВЕННОСТЬЮ "КуРэйт" (ООО "КуРэйт") Optical circuit of the receiver with one detector and the system for quantum key distribution (options)
RU2764458C1 (en) * 2021-05-17 2022-01-17 Акционерное Общество "Информационные Технологии И Коммуникационные Системы" Method for distributing symmetric keys between nodes of a computer network with a quantum key distribution system
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