| 摘要 |
<p>The invention relates to a system and computer-implemented method for providing encrypted content to a particular recipient device of a plurality of recipient devices is disclosed. Copies of one or more content elements of the content are generated. Modified content elements are obtained by modifying one or more of the copies. The content elements, including the one or more modified copies of the content elements, are then stored in a storage. A sequence of content elements representing the content is retrieved from the storage for a particular recipient device of the plurality of recipient devices by selecting a particular modified copy for substantially each content element for which modified copies are available. The sequence of content elements is then encrypted for that particular recipient device. The encrypted sequence of content elements representing the encrypted content is sent to the particular recipient device.</p> |
