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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.:

US 9647834 B1

PDFFull Text
Date of Patent:
May. 09, 2017

Filed:

Mar. 22, 2016

Systems and methods with cryptography and tamper resistance software security

Applicant:

Aclara Meters Llc, Hazelwood, MO (US);

Inventors:

Daniel Thanos, Ontario, CA;

Satish Sharad Khanke, Hyderabad, IN;

Assignee:

Aclara Meters LLC, Hazelwood, MO (US);

Attorney:

Polster, Lieder, Woodruff & Lucchesi, L.C.

Primary Examiner:

Josnel Jeudy

Int. Cl.
CPC ...
G06F 21/86 (2013.01); H04L 9/08 (2006.01); G06F 21/62 (2013.01); H04L 9/14 (2006.01); H04L 29/06 (2006.01); G01D 4/00 (2006.01); G06F 21/52 (2013.01); G06F 21/75 (2013.01); G06F 21/14 (2013.01); G09C 1/00 (2006.01); H04L 9/32 (2006.01); G06F 21/10 (2013.01); H04L 29/08 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0863 (2013.01); G01D 4/002 (2013.01); G06F 21/14 (2013.01); G06F 21/52 (2013.01); G06F 21/62 (2013.01); G06F 21/75 (2013.01); G09C 1/00 (2013.01); H04L 9/0822 (2013.01); H04L 9/0861 (2013.01); H04L 9/14 (2013.01); H04L 9/3226 (2013.01); H04L 63/06 (2013.01); H04L 63/062 (2013.01); H04L 63/105 (2013.01); G06F 21/10 (2013.01); G06F 2221/033 (2013.01); G06F 2221/2125 (2013.01); G06F 2221/2133 (2013.01); H04L 67/12 (2013.01);
Abstract

Provided is an arbitrary automation system for secure communications. The system includes a utility device configured for processing critical data associated with the arbitrary automation system, the critical data being structured in accordance with utility device access levels. A key management module (i) provides a data protection key (DPK) for protecting the critical data in accordance with each of the utility device access levels and (ii) generates a user key encryption key (UKEK) for encrypting the DPK based upon the device access levels. The system additionally includes a software module configured for masking an execution state of software within the utility device and the key management module via principles of evasion and resistance.

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