The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 17, 2017

Filed:

Oct. 10, 2013
Applicant:

Viaccess, Paris la Defense, FR;

Inventor:
Assignee:

VIACCESS, La Defense, FR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 21/443 (2011.01); H04N 21/4627 (2011.01); H04N 21/81 (2011.01); G06F 21/53 (2013.01); G06F 9/455 (2006.01); H04N 21/4623 (2011.01); G06F 21/78 (2013.01);
U.S. Cl.
CPC ...
H04N 21/4623 (2013.01); G06F 9/45558 (2013.01); G06F 21/53 (2013.01); G06F 21/78 (2013.01); H04N 21/4437 (2013.01); H04N 21/4627 (2013.01); H04N 21/8173 (2013.01); G06F 9/45533 (2013.01); G06F 2009/45587 (2013.01); G06F 2221/034 (2013.01);
Abstract

A multimedia content processing device for processing multimedia contents implementing a plurality of virtual machines is provided. The device is able to receive encrypted multimedia content, protected by a content protection system, and provide the multimedia content in decrypted form to a user device, including an access controller authorizing the provision of the decrypted multimedia content to the user device, a first securer for executing security services having a first associated level of security and a second securer for executing services having an associated level of security lower than the first level of security. The device includes a hypervisor able to control the execution of at least three groups of virtual machines, the groups of virtual machines being executed in a strictly separate manner, including, the first two groups being dedicated to executing services with a level of security lower than the first level of security and the third group of virtual machines able to implement security services with a first level of security and to act as trusted third parties for services of the first and second groups of virtual machines.


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