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:
Dec. 06, 2011
Filed:
Apr. 12, 2007
Hem C. Neema, Sunnyvale, CA (US);
Kumar Deepak, San Jose, CA (US);
Jimmy Zhenming Wang, Saratoga, CA (US);
Hem C. Neema, Sunnyvale, CA (US);
Kumar Deepak, San Jose, CA (US);
Jimmy Zhenming Wang, Saratoga, CA (US);
Xilinx, Inc., San Jose, CA (US);
Abstract
A method of securing a circuit design can include generating a string including a plurality of elements. The plurality of elements can include elements of design information selected from within the circuit design and at least one security element indicating whether the circuit design is protected. The method further can include permuting the plurality of elements of the string, encrypting the permuted string using a key shared with a circuit design tool, and including the permuted and encrypted string within the circuit design.