| 摘要 |
<p>A method for authorizing access to a primary protected digital content is disclosed, based on a preliminary consumption of an alternate digital content. The method is based upon generating and encrypting a Right to access the primary content, and embedding a decryption key for unlocking protection of the Encrypted Right throughout a digital alternate content, in such a way that the key is spread inside the alternate content, the digital alternate content being adapted to release the decryption key at a client by integrally playing said alternate content according to predetermined playing rules.</p> |
