System and method for setting of encryption keys

The access point (20) is an elastic the remote controller (30) registration button (127A) starter of handling of WEP key. (20) Sends out the range of from the point the radio wave is propped on from the wireless communication area and usual range exchange for is narrower safety communication area (MR1). The WEP key according hereafter the point (20) is transmitted to a terminal (50), and registering terminal (50) address the data transmission. WEP key of terminal (50) is transmission. The inspection, is capable of a wireless the new prolonging terminal of the simple method, relative preventing configuration the data leak of encrypted key.