Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mehdi Oukacha0
Baptiste Gourdin0
Lukas Hanel0
Date of Patent
January 4, 2022
Patent Application Number
16781204
Date Filed
February 4, 2020
Patent Primary Examiner
Patent abstract
A software decryption key is injected into a computing device 2 having a secure execution environment 20 and a less secure execution environment 22. The key 38 is for decryption of software to be run on the computing device. A key injection software component 36 executed within the secure execution environment 20 is used to control storage of the software decryption key 38 in a protected state in which the software decryption key is unreadable in the clear from the key storage location by an external device or by program code executed in the less secure execution environment 22 of the computing device. Software provided to the device is decrypted based on the injected software decryption key 38.
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