| 摘要 |
<p>A system of combating the shipment of contraband goods is described. After products are ordered, custom made secure tags are created. Corresponding data is created at a central database. The tags include encrypted information about the tag, the products and the mode of shipping. The tags can be placed at several locations from inside the goods to attached to the outside of the shipping container. The encryption and other measures are used to prevent the unauthorized duplication of the tags. As the goods make there way through the distribution channels the goods can be scanned at convenient locations. The encryption scheme can be altered by reference to time. The scanner is connected to the database and can receive the proper encryption scheme will automatically and at random be remotely changed every few minutes. The scanning of the goods will reveal whether unauthorized goods are present in the shipment.</p> |
