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:
May. 05, 2015
Filed:
May. 19, 2008
Wilhelmus Petrus Adrianus Johannus Michiels, Eindhoven, NL;
Paulus Mathias Hubertus Mechtildis Antonius Gorissen, Eindhoven, NL;
Boris Skoric, Eindhoven, NL;
Wilhelmus Petrus Adrianus Johannus Michiels, Eindhoven, NL;
Paulus Mathias Hubertus Mechtildis Antonius Gorissen, Eindhoven, NL;
Boris Skoric, Eindhoven, NL;
Irdeto B.V., Hoofddorp, NL;
Abstract
A systemfor increasing data security comprises predetermined system datato be protected. A cryptographic unitis used for cryptographic processing of respective blocks of the content data in dependence on respective keys. A key providerdetermines the respective key used for the processing of a respective block of the content data in dependence on a respective portionof the predetermined system data, the portion not including all the predetermined system data, wherein different respective portions of the predetermined system data are selected for the respective blocks of content data. A server systemfor increasing data security comprises an outputfor providing processed content datato a client system, the client system comprising predetermined system datato be protected. The server systemalso comprises a cryptographic unitand a key provider