Patent ID: 8788304
Filing Date: 2014-07-22
Classification: G06F,G06Q,H04L

Abstract:
1. A digital rights management (DRM) provision system comprising: a packaging server which performs first packaging operation of encrypting a specific content to generate encrypted content, and a second packaging operation of generating at least one dummy content corresponding to the encrypted content and encrypting the dummy content to generate encrypted dummy content, wherein the at least one dummy content is a file required to receive a license for each DRM, and a first encryption key of the encrypted content is include in a body of the dummy content; and a DRM provision apparatus which receives the encrypted content and at least one dummy content corresponding to the encrypted content, analyzes a DRM header of the received dummy content to request a license for the encrypted content, decrypts the dummy content based on the requested license, and decrypts the encrypted content using the decrypted dummy content, wherein the first packaging operation comprises: generating a DRM header of the specific content; generating the first encryption key for encrypting the specific content; and encrypting the specific content using the DRM header and the first encryption key, and wherein the second packaging operation comprises: generating a second encryption key for encrypting the dummy content; and encrypting the dummy content using the second encryption key.