Patent ID: 8165036
Filing Date: 2012-04-24
Classification: H04L,H04N

Abstract:
1. A network device comprising: one or more processors; and one or more memories, storing instructions that, when executed by the one or more processors, cause the network device to perform the following: communicate with a plurality of information processing devices connected to a network and exchange an electronic certificate owned by the network device and electronic certificates owned by the plurality of information processing devices to authorize encrypted communication between the network device and the plurality of information processing devices; store a device list containing device identification information of information processing devices, the device list identifying information processing devices that have been authorized for encrypted communications with the network device; receive a searching packet from one of the plurality of information processing devices, determine whether the searching packet includes a query to obtain information indicating whether encrypted communication between the network device and the one of the plurality of information processing devices has been authorized; in response to determining that the searching packet includes the query. in response to determining that the searching packet does not include a query to obtain information regarding whether an operation setting for encrypted communication between the network device and the one of the plurality of information processing devices has been authorized,