Communication device, certificate transfer device, authentication data transfer device, certificate setting system, authentication data setting system, control method of communication apparatus, certificate setting method, authentication data setting method, program, and recording medium

摘要

PROBLEM TO BE SOLVED: To provide a communications device capable of easily identifying an fraudulent article for a component, even when the fraudulent article is made by copying a digital certificate as a whole and go into circulation on the market.;SOLUTION: A management device 700 can communicate with a communication device 1. The communication device 1 uses a component 20 which stores digital certificates. The management device 700 receives the digital certificate along with a transmission request from the communication device 1 (S404). When it is decided that the digital certificate of the component 20 has to be updated based on the reception, the digital certificate for updating is transmitted to the communication device 1 (S409). The digital certificate of the component 20 is updated by the communication device 1 (S410, S411). At this time, it is preferable that a root key certificate used by the device body 10 of the communication device 1 for verifying the authenticity of the digital certificate of the component 20 be also updated.;COPYRIGHT: (C)2006,JPO&NCIPI