Title:
COMMUNICATION APPARATUS, COMMUNICATION METHOD AND COMMUNICATION SYSTEM
Document Type and Number:
Japanese Patent JP2023042903
Kind Code:
A
Abstract:
To improve confidentiality of information to be transmitted.SOLUTION: A communication apparatus comprises a key sharing unit, a determination unit, an encryption unit, a packet generation unit, and a transmission unit. The key sharing unit shares an encryption key among a plurality of external communication apparatuses. The determination unit determines a path to transmit transmitted data on the basis of a residual quantity of the encryption key. The encryption unit encrypts a header, in which an external communication apparatus is set as a transmission destination, using the encryption key shared by the external communication apparatus for each of one or more external communication apparatuses included in the path. The packet generation unit generates a packet that includes the transmitted data and the encrypted one or more headers. The transmission unit transmits the generated packet along the path.SELECTED DRAWING: Figure 2
Inventors:
TANAKA YASUYUKI
TANIZAWA YOSHIMICHI
TANIZAWA YOSHIMICHI
Application Number:
JP2021150317A
Publication Date:
March 28, 2023
Filing Date:
September 15, 2021
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
H04L9/36; H04L9/08
Attorney, Agent or Firm:
Sakai International Patent Office
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