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:
Dec. 31, 2024
Filed:
Jan. 21, 2013
Applicant:
Infineon Technologies Ag, Neubiberg, DE;
Inventor:
Wieland Fischer, Munich, DE;
Assignee:
Infineon Technologies AG, Neubiberg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); H04L 9/00 (2022.01); H04L 9/06 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0861 (2013.01); H04L 9/003 (2013.01); H04L 9/0643 (2013.01); H04L 2209/046 (2013.01);
Abstract
An apparatus for producing a message authentication code based on a first message and an original key is provided. The apparatus includes a key generator configured to produce a generated key based on the original key and the first message. Furthermore, the apparatus includes a message authentication code generator configured to produce the message authentication code based on the generated key and the first message.