DIRECTORY SERVICE DEVICE, CLIENT DEVICE, KEY CLOUD SYSTEM, METHOD THEREOF, AND PROGRAM

摘要

In the present invention, name information generated using a value corresponding to a decoding key and address information of a key cloud device providing decoding services of a cloud key management type using the decoding key are associated and stored in the recording device (121) of a directory service device (12), and the search unit (125) of the directory service device (12) searches the storage unit (121) using input name information, obtaining address information corresponding to the input name information.