KEY EXCHANGE SYSTEM, SERVER, METHOD, AND PROGRAM
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United States of America
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Issued Date -
Oct 31, 2024
app pub date -
Aug 25, 2021
filing date -
Aug 25, 2021
priority date (Note) -
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Abstract
According to an embodiment, a key exchange system includes: a key generation device configured to generate a key based on quantum key exchange or post-quantum key exchange; a network device configured to perform encrypted communication with another network device by using the key; and an intermediate server deployed between the key generation device and the network device. The intermediate server includes: a state monitoring unit configured to transmit a state monitoring request to the key generation device at each predetermined time; a notification unit configured to give a push notification of key information included in a response to the state monitoring request, to the network device, when the response is received; and a key exchange unit configured to start key exchange between the network device and the key generation device in response to a request from the network device having received the push notification of the key information.
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