Security setting method of wireless communication network, security setting program, wireless communication network system and client device

摘要

Method, program, network system and client device for security setting of wireless communication network (wireless LAN device 2) to one or a plurality of connection destinations. It is a structure of being given encryption information different from given present encryption information by use of the given present encryption information and being given different encryption information in incremental steps, to one or a plurality of said connection destinations (client device CLm).