| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a host device which can enhance the self protective property. <P>SOLUTION: A host device is configured to: generate first encryption information on the basis of a first ID of a key server by encrypting information including a second ID of its own device and a session key; transmit the first encryption information to the key server; receive second encryption information and a server signature, when the key server generates the second encryption information by encrypting a secret key, which is generated by the key server and corresponds to the second ID acquired by decrypting the first encryption information in the key server, by the session key acquired by decryption in the key server, and transmits the second encryption information with the server signature attached; verify authenticity of the server signature; acquire the secret key by decrypting the second encryption information by the session key; generate third encryption information by encrypting information including a host name of the device, the second ID, and a locator of the device and also attach a signature of the device to the third encryption information; and transmit the third encryption information and the device signature to a registration solution server. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
