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. 07, 2014

Filed:

Feb. 08, 2008
Applicants:

Steffen Peter, Frankfurt, DE;

Michael Methfessel, Frankfurt, DE;

Peter Langendorfer, Frankfurt, DE;

Frank Vater, Cottbus, DE;

Inventors:

Steffen Peter, Frankfurt, DE;

Michael Methfessel, Frankfurt, DE;

Peter Langendorfer, Frankfurt, DE;

Frank Vater, Cottbus, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04K 1/00 (2006.01); H04L 9/00 (2006.01); H04L 9/28 (2006.01); H04L 9/30 (2006.01); G06F 11/30 (2006.01); G06F 12/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

A cryptography device which reduces side channel information including a first computing block adapted to either encrypt or decrypt received first input data and to output the encrypted or decrypted first input data as first output data at a first data output, a second computing block adapted to either encrypt or decrypt received second input data and to output the encrypted or decrypted second input data as second output data at a second data output, and a control unit connected to the first and second computing blocks and adapted in a first operating condition on the one hand to partially or completely assign the first output data to the first computing block as the first input data and on the other hand to completely or partially assign the first output data to the second computing block as part of the second input data.


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