DIGITAL CERTIFICATE TRANSFERRING METHOD, DIGITAL CERTIFICATE TRANSFERRING DEVICE, DIGITAL CERTIFICATE TRANSFERRING SYSTEM, PROGRAM, AND STORAGE MEDIA

摘要

PROBLEM TO BE SOLVED: To make operations for updating a digital certificate of a communication device and for transferring to a communication using a new digital certificate to be performed easily and safely.;SOLUTION: In the case of the digital certificate to be transferred from an upper device 30 to a lower device 40 storing the digital certificate issued by a first CA, when the communication is performed between the upper device 30 and the lower device 40, authentication is to be performed using the digital certificate issued by the first CA (S302 to 307). Then a safety communication path by a SSL is to be established, and a digital certificate issued by a second CA 20 from the upper device 30 to the lower device 40 and identification information of a communication address to be accessed by the lower device 30 using the digital certificate are made to be transferred on the communication path (S312). At this time, the received digital certificate and the identification information of the communication address can be requested to be set from the upper device 30 to the lower device 40.;COPYRIGHT: (C)2005,JPO&NCIPI