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:
Apr. 23, 2013
Filed:
Jul. 02, 2009
Applicants:
David Smith, Bristol, GB;
Andrew Marsh, Bristol, GB;
Inventors:
David Smith, Bristol, GB;
Andrew Marsh, Bristol, GB;
Assignee:
STMicroelectronics (Research & Development) Limited, Buckinghamshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08C 25/00 (2006.01); H03M 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of verifying the integrity of code in a programmable memory, the method including: receiving the code from an insecure memory; generating error detection bits for the code as it is received from the insecure memory; storing the code and the error detection bits in the programmable memory; and verifying the integrity of the code stored in the programmable memory by performing an authentication check on the code and the error detection bits stored in the programmable memory.