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:
Nov. 09, 2021

Filed:

May. 14, 2020
Applicant:

Infineon Technologies Ag, Neubiberg, DE;

Inventors:

Thomas Kuenemund, Munich, DE;

Berndt Gammel, Markt-Schwaben, DE;

Franz Klug, Aying, DE;

Assignee:

INFINEON TECHNOLOGIES AG, Neubiberg, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 19/003 (2006.01); H03K 19/094 (2006.01);
U.S. Cl.
CPC ...
H03K 19/003 (2013.01); H03K 19/094 (2013.01);
Abstract

According to one embodiment, an integrated electronic circuit has a switching network configured to receive binary control states, one or more secret-carrying gates, wherein each secret-carrying gate represents Boolean secrets and is configured to receive binary input states and to output one or more Boolean secrets according to a state sequence of the binary input states, and one or more flip-flops configured to store binary output states output by the switching network and to supply binary input states to the one or more secret-carrying gates based on the stored binary output states. The switching network generates the binary output states by combining the binary control states and Boolean secrets output by the one or more secret-carrying gates. The integrated electronic circuit outputs Boolean secrets from the one or more secret-carrying gates and/or the binary output states from the switching network to another integrated electronic circuit.


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