Natural numbers c, o, and a, and p-bit bit strings w1 and w2 are inputted. Each node may be connected to a payload, which comprises sensors, actuators and DTE’s. The personal care composition may take a variety of forms such as a leave-on composition or an emulsion or may comprise one or more actives or agents. The visited home AAA server may be associated with different types of wireless networks to include wireless wide area networks or with a different WLAN. The catalyst layer has fine pores. Finally, the portable device provides a secure communication key to be transmitted in turn to the first and second equipment through encryption with the first and second secret numbers, respectively.