Search

JP-2026075866-A - Information processing device, information processing method, and program

JP2026075866AJP 2026075866 AJP2026075866 AJP 2026075866AJP-2026075866-A

Abstract

[Problem] To be able to more appropriately determine the compression ratio for security enhancement processing. [Solution] An information processing device is provided, comprising: a receiving unit that receives information necessary for calculating the compression ratio in the confidentiality enhancement process in quantum key distribution from a quantum key distribution device; a control unit that determines the compression ratio based on the information received by the receiving unit; and a transmitting unit that transmits information indicating the compression ratio determined by the control unit to the quantum key distribution device. [Selection Diagram] Figure 5

Inventors

  • 岡村 利彦
  • 川上 哲生
  • 河原 光貴

Assignees

  • 日本電気株式会社

Dates

Publication Date
20260511
Application Date
20241023

Claims (10)

  1. A receiving unit that receives information necessary for calculating the compression ratio in the security enhancement process in quantum key distribution from the quantum key distribution device, A control unit that determines the compression ratio based on the information received by the receiving unit, A transmitting unit that transmits information indicating the compression ratio determined by the control unit to the quantum key distribution device, An information processing device having
  2. The information necessary for calculating the compression ratio includes at least one of the identification information of the quantum key distribution device and information indicating the security level of the designated quantum key distribution. The information processing apparatus according to claim 1.
  3. The control unit outputs information necessary for calculating the compression ratio and information indicating the compression ratio in association with each other. The information processing apparatus according to claim 1 or 2.
  4. The receiving unit receives information from the quantum key distribution device indicating the data size of the final key generated by the confidentiality enhancement process, The control unit outputs information necessary for calculating the compression ratio, information indicating the compression ratio, and information indicating the data size of the final key, in association with each other. The information processing apparatus according to claim 3.
  5. The control unit outputs information necessary for calculating the compression ratio, information indicating the compression ratio, and information indicating the safety level based on the compression ratio, in association with each other. The information processing apparatus according to claim 1 or 2.
  6. The control unit transmits the information necessary for calculating the compression ratio and the information indicating the compression ratio to a destination corresponding to at least one of the sender and receiver of the quantum key distribution. The information processing apparatus according to claim 1 or 2.
  7. The control unit digitally signs the information necessary for calculating the compression ratio and the information indicating the compression ratio and transmits them to the quantum key distribution device. The information processing apparatus according to claim 1 or 2.
  8. The receiving unit receives information from each quantum key distribution device that is necessary for calculating the compression ratio in the confidentiality enhancement process in multiple quantum key distributions. The control unit determines the compression ratio of each of the plurality of quantum key distributions based on the information received by the receiving unit. The transmission unit transmits information indicating each compression ratio determined by the control unit to each quantum key distribution device. The information processing apparatus according to claim 1 or 2.
  9. The quantum key distribution device receives the information necessary to calculate the compression ratio in the security enhancement process in quantum key distribution. Based on the received information, the compression ratio is determined. The information indicating the determined compression ratio is transmitted to the quantum key distribution device. Information processing methods.
  10. The quantum key distribution device receives the information necessary to calculate the compression ratio in the security enhancement process in quantum key distribution. Based on the received information, the compression ratio is determined. The information indicating the determined compression ratio is transmitted to the quantum key distribution device. A program that instructs a computer to perform a process.

Description

This disclosure relates to an information processing device, an information processing method, and a program. Patent Document 1 discloses a technique for determining the compression ratio of the security enhancement process of quantum cryptography (data length of the quantum key output per security enhancement process / data length of the correction key input per security enhancement process) by referring to a table. Japanese Patent Publication No. 2020-005166 This figure shows an example of the configuration of an information processing apparatus that performs generation processing according to the embodiment.This figure shows an example configuration of a quantum key distribution system according to the embodiment.This figure shows an example of the hardware configuration of the information processing device according to the embodiment.This figure illustrates the key distillation process of QKD according to the embodiment.A flowchart showing an example of processing performed by the information processing apparatus according to the present invention. The principles of this disclosure will be described with reference to several exemplary embodiments. These embodiments are described for illustrative purposes only and should be understood as helping those skilled in the art to understand and implement this disclosure without implying any limitation on the scope of this disclosure. The disclosure described herein may be implemented in various ways other than those described below. In the following description and claims, unless otherwise defined, all technical and scientific terms used herein have the same meanings as those generally understood by those skilled in the art to which this disclosure pertains. Embodiments of this disclosure will be described below with reference to the drawings. Note that each drawing is merely illustrative for illustrating one or more embodiments. Each drawing may be associated not only with one specific embodiment but also with one or more other embodiments. As those skilled in the art will understand, various features or steps described with reference to any one drawing can be combined with features or steps shown in one or more other drawings, for example, to create embodiments not explicitly shown or described. Not all features or steps shown in any one drawing are necessarily required to illustrate an exemplary embodiment, and some features or steps may be omitted. The order of steps shown in any of the drawings may be changed as appropriate. (Embodiment 1) <Structure> Referring to Figure 1, the configuration of the information processing device 10 according to the embodiment will be described. Figure 1 is a diagram showing an example of the configuration of the information processing device 10 according to the embodiment. The information processing device 10 has a receiving unit 11, a control unit 12, and a transmitting unit 13. Each of these units may be realized through the cooperation of one or more programs installed in the information processing device 10 and hardware such as the processor and memory of the information processing device 10. The receiving unit 11 receives information necessary for calculating the compression ratio in the confidentiality enhancement process of quantum key distribution from the quantum key distribution device (QKD device). The control unit 12 determines the compression ratio based on the information received by the receiving unit 11. The transmitting unit 13 transmits information indicating the compression ratio determined by the control unit 12 to the quantum key distribution device. (Embodiment 2) <System Configuration> Next, with reference to Figure 2, the configuration of the quantum key distribution (QKD) system 1 according to the embodiment will be described. Figure 2 is a diagram showing an example of the configuration of the quantum key distribution system 1 according to the embodiment. In the example of Figure 2, the quantum key distribution system 1 has an information processing device 10. The quantum key distribution system 1 also has QKD devices 20-1, QKD devices 20-2, ..., QKD devices 20-N (where N is an integer of 2 or more) (in this disclosure, unless there is a need to distinguish them, they are simply referred to as "QKD devices 20"). In the example shown in Figure 2, the information processing device 10 and the QKD device 20 are connected to communicate via a public communication channel N2. Examples of public communication channels N2 include, for example, the Internet, mobile communication systems, wireless LANs (Local Area Networks), short-range wireless communication such as BLE, LANs, and buses. Examples of mobile communication systems include, for example, fifth-generation mobile communication systems (5G), fourth-generation mobile communication systems (4G), and third-generation mobile communication systems (3G). Furthermore, QKD devices 20-1 and 20-2 are connected to each other via a quantum communication channe