Patent ID: 8402556
Filing Date: 2013-03-19
Classification: G06F,H04L

Abstract:
1. A method for policy-based sharing of digital content, performed by one or more processors, comprising: discovering at least an uploader by a downloader, the discovery based on a determination of whether one or both of a first electronic content fragment and a second electronic content fragment need to be generated or dynamically obtained, and on information on one or more uploaders authorized to generate or dynamically provide one or both of the content fragments to the downloader; obtaining the first electronic content fragment, the first content fragment forming at least a first portion of a piece of digital content, the first content fragment having policy information securely associated therewith; obtaining a the second electronic content fragment, the second content fragment forming at least a second portion of the piece of digital content; and constructing at least part of the piece of digital content by combining the first content fragment and the second content fragment under at least partial control of the policy information, wherein the policy information is located in a manifest securely associated with the piece of digital content or the first content fragment, the manifest comprising at least one element of information selected from the group consisting of: a unique digital content identifier; digital content metadata; digital content distribution policy information; digital content integrity policy information; and digital content confidentiality policy information.