A download processor for secure downloading of a digital product file when ordered by a user. The order includes a file identifier related to the file and an order identifier related to the order. The download processor performs security checks related to the file, the order, and the user. The file identifier...http://www.google.de/patents/US7617124?utm_source=gb-gplus-sharePatent US7617124 - Apparatus and method for secure downloading of files
Apparatus and method for secure downloading of files