2900005-A1 cites 7 patents.

The method involves encrypting an initial digital content (10) e.g. video file, by an application of an encryption algorithm that is defined by an encryption key. The encrypted digital content (14A, 14B) are transmitted toward a receiving terminal. The encrypted digital content are decrypted by an application of a decrypting algorithm defined by a specific decryption key for generating a decrypted digital content (16). Independent claims are also included for the following: (1) a method for decrypting a digital content (2) a device for decrypting a digital content, comprising a storage unit (3) a computer program comprising a set of software instructions for an application of a decrypting algorithm (4) a computer readable data medium comprising a storage unit.

Title
Method of distributing digital content and method, device and computer program for decrypting encrypted digital content
Application Number
FR20060003360 20060414
Publication Number
2900005 (A1)
Application Date
April 14, 2006
Publication Date
October 19, 2007
Inventor
Gilbert Henri
Frisch Laurent
Francfort Stanislas
Assignee
France Telecom
FR
IPC
H04N7/08
H04N 07/08
H04N1/32
H04N 01/32
H04L9/28
H04L 09/28
H03M13/00
H03M 13/00
H04N7/08
H04N 07/08
H04N1/32
H04N 01/32
H04L9/28
H04L 09/28
H03M13/01
H03M 13/01
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