Title:
COMMUNICATION APPARATUS, COMMUNICATION METHOD, PROGRAM AND COMMUNICATION SYSTEM
Document Type and Number:
Japanese Patent JP2019050453
Kind Code:
A
Abstract:
To provide a communication apparatus capable of restricting the amount of a cipher key to be offered to an application according to a sharing speed of the cipher key and the storage amount of the cipher key.SOLUTION: The communication apparatus is a communication apparatus for offering a cipher key shared between other communication apparatuses to an application. The communication apparatus includes a calculation section and communication section. The calculation section calculates restriction information of restricting call of a request message for the application of requesting for the cipher key on the basis of at least either one of a sharing speed of the cipher key and the storage amount of the cipher key. A communication control section transmits a message which returns the cipher key as a response to the request message and which is response message with the restriction information added.SELECTED DRAWING: Figure 5
Inventors:
TANIZAWA YOSHIMICHI
Application Number:
JP2017172466A
Publication Date:
March 28, 2019
Filing Date:
September 07, 2017
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
H04L9/08; G06F13/00; H04L9/12; H04L9/14
Attorney, Agent or Firm:
Sakai International Patent Office