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. 28, 2020
Filed:
Jul. 30, 2018
Applicant:
Siemens Aktiengesellschaft, Munich, DE;
Inventors:
Maximilian Walter, Nuremberg, DE;
Karl-Hermann Witte, Fuerth, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/14 (2006.01); H03M 7/30 (2006.01); H03M 7/40 (2006.01); H03M 7/02 (2006.01); G06F 21/62 (2013.01);
U.S. Cl.
CPC ...
G06F 12/1458 (2013.01); G06F 21/6218 (2013.01); H03M 7/02 (2013.01); H03M 7/4006 (2013.01); H03M 7/6041 (2013.01); G06F 2212/1052 (2013.01);
Abstract
A method for protecting data in a data memory against an undetected change, wherein a functional variable x is encoded via a value, an input constant, an input signature and a timestamp D into a coded variable, where the functional variable is normalized relative to a base to form the integer value from the functional variable.