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:
Jul. 14, 2015
Filed:
Apr. 30, 2009
Graeme Harkness, Glasgow, GB;
Graeme Harkness, Glasgow, GB;
Other;
Abstract
Anti-tamper techniques for protecting a program code portion against tampering provide for defining a sequence of code segments having a root-code segment and a plurality of sub-code segment. Each sub-code segment is provided with an integrity checking portion for checking the integrity of a target code segment. At runtime, the integrity checking portion of a given sub-code segment carries out a checking procedure on the respective target code segment to obtain a runtime result which is compared with a reference result to verify that the target portion of the program has not been tampered with.
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