Patent ID: 8374339

Claim:
A security setting method, the security being set for one or a plurality of devices of connection destinations, the method being performed in a wireless communication device of wireless communication network, the method comprising: obtaining identification information of one or a plurality of the devices of the connection destinations from the devices of the connection destinations, and distinguishing, by a processor included in the wireless communication device, whether a device of a connection destination is registered in the wireless communication device based on the identification information; giving, by the processor, first encryption information to a device registered in the wireless communication device, to set first security for the device registered in the wireless communication device, using the first encryption information; obtaining the identification information from the device registered in the wireless communication device under setting of the first security; and giving, by the processor, second encryption information to the device registered in the wireless communication device, under the setting of the first security, to set second security for the device registered in the wireless communication device, using the second encryption information, wherein the encryption information set for the device registered in the wireless communication device is changed in incremental steps.