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US Patent 11232219 Protection of electronic designs

Patent 11232219 was granted and assigned to Xilinx on January, 2022 by the United States Patent and Trademark Office.

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Is a
Patent
Patent

Patent attributes

Patent Applicant
Xilinx
Xilinx
Current Assignee
Xilinx
Xilinx
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11232219
Date of Patent
January 25, 2022
Patent Application Number
16264101
Date Filed
January 31, 2019
Patent Citations Received
‌
US Patent 11962704 Optimized authentication system for a multiuser device
0
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US Patent 11949772 Optimized authentication system for a multiuser device
0
Patent Primary Examiner
‌
Victor Lesniewski
Patent abstract

Removing protections on a session-key protected design include receiving a double encrypted vendor private key and an encrypted session key. The double encrypted vendor private key is decrypted into a single encrypted vendor-private key using a user private key, and the single encrypted vendor-private key is decrypted into a vendor private key using a vendor pass phrase. The encrypted session key is decrypted into a session key using the vendor private key, and the session-key protected design is decrypted into a plain design using the session key.

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