| 摘要 |
PURPOSE: A bidding method using a smart phone is provided to realize a confidential maintaining function and a denial preventing function about bid information of a bidder through an encoded certificate of a smart phone terminal. CONSTITUTION: A smart phone terminal subscribed to a bidding server is connected to a mobile server to download a bidding program and an authentication program(S10). The smart phone terminal installs a certificate by executing the downloaded authentication program(S20). The smart phone terminal is connected to the bidding server by executing the downloaded bidding program(S30). |
