Network system, certificate management method, and certificate management program

摘要

A network system includes a management apparatus and multiple apparatuses. The management apparatus includes a preparation instruction unit to transmit an instruction to prepare a certificate request to the apparatuses; a collection unit to collect the certificate requests; a request unit to request issuance of certificates to a certificate authority; a resetting instruction unit to transmit the issued certificates to the apparatuses and to instruct resetting of certificates. The apparatus includes a storing unit including an operation area for storing a first certificate and a provisional operation area; a provisionally operating unit to transfer the first certificate to the provisional operation area, and to generate a certificate request, and to transmit the certificate request to the management apparatus; a setting unit to store a second certificate, issued by the certificate authority, in the operation area, and to instruct a communication unit to conduct the communication by switching a certificate.

主权项

1. A management apparatus for communicating with a plurality of devices via a network, the management apparatus comprising:
circuitry configured to:
transmit a certificate preparation request to the plurality of devices;collect the certificate preparation request prepared by each of the plurality of devices in response to the transmitted certificate preparation request;request issuing of certificate from a certificate authority by collectively collecting the certificate preparation request of the plurality of devices;conduct certificate resetting instruction by transmitting the issued certificate to each of the plurality of devices; andrequest the certificate authority to issue another certificate when a notice is received from the plurality of devices that the issued certificate is invalid.