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:
Jun. 18, 2019
Filed:
Aug. 28, 2014
Mitsubishi Electric Corporation, Tokyo, JP;
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Abstract
The present invention relates to a process analysis apparatus for analyzing a process executed in an information processing unit and extracting encryption logic such as an encryption function or a decryption function used in the process. The process analysis apparatus is provided with an execution trace acquisition section to acquire an execution trace of a process to be analyzed; a block extraction section to extract, from the execution trace, a block that is a processing unit indicating a loop structure; a block information extraction section to extract, from the block, block information including input information and output information; and a block information analysis section to generate characteristic determination information for determining a characteristic of an input/output relation of the block, using the input information or the output information of the block information, analyzing the input/output relation of the block, using the characteristic determination information, and determining the block which indicates a characteristic of an input/output relation of an encryption function or a decryption function, as the encryption logic.