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US Patent 8347110 Protecting a program interpreted by a virtual machine

Patent 8347110 was granted and assigned to Morpho (company) on January, 2013 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors

Is a

Patent

Patent attributes

Current Assignee

Morpho (company)

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

83471100

Patent Inventor Names

Osman Kocoglu0

Hervé Pelletier0

Date of Patent

January 1, 2013

Patent Application Number

123078890

Date Filed

July 9, 2007

Patent Primary Examiner

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Darren B Schwartz

Patent abstract

A method of protecting a program interpreted by a virtual machine comprises the inclusion of interference operations during the execution of each program instruction. The scrambling operations are selected according to a program digest, so as to vary when a single instruction belongs to two different programs. In this way, any attempt at reverse engineering from side channels is made possible.