Patent ID: 8488786
Filing Date: 2013-07-16
Classification: H04L,H04W

Abstract:
1. A method of managing sending of multimedia contents to a mobile terminal equipped with a security module, said multimedia contents being sent in encrypted form from a broadcast server and via a communications network, the method comprising the steps of: a) sending to the mobile terminal rights-of-use data for the multimedia content; b) storing said rights-of-use data in the security module of the mobile terminal; c) generating a series of encryption/decryption keys, the series of decryption keys being generated from said rights-of-use data stored in the security module; d) sending the multimedia content to the mobile terminal, said multimedia content being encrypted with successive keys from the series of encryption keys that has been generated; and e) the mobile terminal receiving the multimedia content and decrypting the multimedia content using the decryption keys from the series of decryption keys generated in the security module of the mobile terminal;