| 摘要 |
A sales information management system according to the present invention includes an authentication server for an authentication key capable of authenticating a settlement terminal and a metering key corresponding to the authentication key; the settlement terminal for generating sales data including sales goods information and sales price information, and performing settlement authentication request data transmission and settlement authentication result data reception by accessing a communications network; a sales information management black box including a sales information smart card for receiving the settlement authentication result data from the settlement terminal, and encoding the settlement authentication result data into encoded settlement authentication result data using the authentication key, storing the encoded settlement authentication result data, and transmitting the encoded settlement authentication result data to a sales management server; and the sales management server for receiving the metering key from the authentication server, and receiving the encoded settlement authentication result data from the sales information management black box, and decoding the encoded settlement authentication result data into the settlement authentication result data using the metering key. |
