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.
Patent No.:
Date of Patent:
Jul. 26, 2016
Filed:
Jun. 21, 2012
Applicant:
Peter Roelse, Hoofddorp, NL;
Inventor:
Peter Roelse, Hoofddorp, NL;
Assignee:
Irdeto B.V., Hoofddorp, NL;
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/00 (2006.01); H04N 21/647 (2011.01); H04L 29/06 (2006.01); G06F 21/62 (2013.01); H04N 21/266 (2011.01); H04N 21/235 (2011.01); H04N 21/435 (2011.01); H04N 21/81 (2011.01); G06F 21/10 (2013.01); H04L 9/14 (2006.01);
U.S. Cl.
CPC ...
H04N 21/64715 (2013.01); G06F 21/10 (2013.01); G06F 21/62 (2013.01); H04L 9/14 (2013.01); H04L 63/0428 (2013.01); H04L 63/0442 (2013.01); H04L 63/06 (2013.01); H04L 63/062 (2013.01); H04N 21/2351 (2013.01); H04N 21/26613 (2013.01); H04N 21/4353 (2013.01); H04N 21/8166 (2013.01); G06F 2221/2141 (2013.01); H04L 2209/24 (2013.01);
Abstract
A method of obtaining descrambling information at a receiver, the descrambling information for enabling descrambling of scrambled content. A provider verification key is used to access a software image, which has been secured by a provider using a provider signature key corresponding to the provider verification key. A secured version of the descrambling information is received. The accessed software image is used to obtain virtual descrambling information from the secured version of the descrambling information and is provided as inputs to a cryptographic function to produce a given output comprising said descrambling information.