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:
Nov. 13, 2018
Filed:
Nov. 20, 2017
Anvaya Solutions, Inc., Folsom, CA (US);
Sathyamurthi Sadhasivan, El Dorado Hills, CA (US);
Shobha Rani Mallarapu, Folsom, CA (US);
Srinivas Atluri, Folsom, CA (US);
ANVAYA SOLUTIONS, INC., Folsom, CA (US);
Abstract
A system and method for authenticating and enabling functioning of a manufactured electronic device are disclosed. A particular embodiment includes: an obfuscation code generator to produce an obfuscation code having a first portion representing manufacturing or physical characteristics of a particular paired system and a second portion representing one or more identifiers of the particular paired system, the obfuscation code generator to use the obfuscation code to obtain an authentication key; and an obfuscation state machine configured with a pre-defined quantity of state elements, a pre-defined quantity of the state elements being functional state elements, the obfuscation state machine being programmed with the authentication key to cause the obfuscation state machine to transition a protected device from an initial obfuscation state to a functional state, the embedded active obfuscation unit being further configured to load random bit-selected values from the obfuscation code into the obfuscation state machine for the values of the state elements and to load a different set of random bit-selected obfuscation values from the obfuscation code into the obfuscation state machine for the values of the functional state elements of the obfuscation state machine, thereby causing the protected device to transition from the initial obfuscation state through a set of obfuscation states before reaching the functional state for normal operation.