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. 29, 2016
Filed:
Apr. 01, 2014
The Johns Hopkins University, Baltimore, MD (US);
Yanni A. Kouskoulas, Silver Spring, MD (US);
Douglas C. Schmidt, Severna Park, MD (US);
C. Durward McDonell, III, Olney, MD (US);
Laura J. Glendenning, Columbia, MD (US);
Ryan W. Gardner, Columbia, MD (US);
David J. Heine, Columbia, MD (US);
Margaret F. Lospinuso, Laurel, MD (US);
Forest C. Deal, Jr., Catonsville, MD (US);
David R. Zaret, Columbia, MD (US);
Vina H. Nguyen, Bethesda, MD (US);
The Johns Hopkins University, Baltimore, MD (US);
Abstract
A method executable via operation of configured processing circuitry to identify vulnerabilities in program code may include receiving a program and employing a disassembler to disassemble the program, generating a function call tree for the program based on disassembly of the program, receiving an indication of a post condition for which analysis of the program is desired, transforming program statements into logical equations, simplifying the logical equations, propagating post conditions backwards via Dijkstra's weakest precondition variant, analyzing aliases and processing loops to generate a precondition, and using an automated solver to determine whether the precondition is realizable and, if so, providing program inputs required to realize the precondition.