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.

Date of Patent:
Jan. 14, 2020

Filed:

Sep. 17, 2015
Applicant:

Nec Corporation, Minato-ku, Tokyo, JP;

Inventors:

Masato Yamane, Tokyo, JP;

Yuki Ashino, Tokyo, JP;

Masafumi Watanabe, Tokyo, JP;

Assignee:

NEC CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/00 (2006.01); H04L 9/36 (2006.01); H04L 9/08 (2006.01); H04L 9/14 (2006.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
H04L 9/002 (2013.01); H04L 9/0894 (2013.01); H04L 9/14 (2013.01); H04L 9/36 (2013.01); H04L 63/0428 (2013.01); H04L 63/145 (2013.01);
Abstract

Provided is an analysis system including a memory acquisition unit that is configured to acquire at least part of data stored in a memory unit in an information communication apparatus including a computing unit and the memory unit; a communication processing unit that is configured to instruct the memory acquisition unit to acquire data stored in the memory unit when determining that key data including an encryption key for cryptographic communication protocol are stored in the memory unit; and a cryptanalysis unit that is configured to extract one or more key data candidates that are candidates of the key data, from the stored in the memory unit, and extract, from one or more of the key data candidates, correct key data that enables to decrypt correctly the encrypted communication data. The communication processing unit is further configured to execute specific processing according to the decrypted communication data.


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