| 摘要 |
A method and system are provided for first encrypting content with a first encryption key such as a random XOR key and then encrypting the first encryption key with a more complex, more difficult to decipher second encryption key which includes the unique ID code of the data storage medium receiving the content. One or more graphics, such as an advertisement or material associated with the content to be downloaded is provided with the file containing the content. The advertisement may be static or animated and is displayed at the time the content is played. Included in the file and associated with the graphic is a hyperlink such as an Internet hot link to an affiliated web site. Sponsors, which may include but are not limited to advertisers, content owners and content authors, can be charged for the initial view of a downloaded sponsor graphic on the web page, for associating the graphic and hyperlink to the file and/or for a percentage of payment for purchases made by traffic created by the hyperlink, among other charge options. After logging on to the host site, a registered client receives downloaded content merely by selecting the desired content, or merely by selecting the desired content and the desired download destination. An additional selection may be necessary if the content available for download is categorized, requiring a category selection followed by a content selection. |
