SECURE COMMUNICATION SYSTEM AND METHOD BASED ON NETWORK ENCRYPTION

WIPO Patent Application WO/2023/145379

A1

The present invention efficiently communicates information while maintaining high confidentiality in a network where eavesdropping, errors, and falsification occur. A control device for a communication network having a plurality of nodes and links that each connect two of the nodes comprises: a first instruction unit 110 for instructing a source node among the plurality of nodes as to whether or not to perform MRD encryption when the source node performs transmission; a random number transmission unit 120 for transmitting a random number that corresponds to the maximum number of links that are likely to be eavesdropped to the source node when the source node is instructed by the first instruction unit to perform MRD encryption; and a second instruction unit 130 for instructing each of the plurality of nodes as to whether or not to perform OTP encryption when the node performs transmission to another node.

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SASAKI MASAHIDE (JP)
ESUMI ATSUSHI (JP)
LI KAI (JP)

PCT/JP2022/048457

August 03, 2023

December 28, 2022

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NAT INST INF & COMM TECH (JP)
SIGLEAD INC (JP)

H04L9/12; H03M13/47; H04L9/18; H04L12/22

WO2020144684A1

2020-07-16

JP2013150187A

2013-08-01

OKUYAMA, Shoichi et al. (JP)

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