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:
Mar. 21, 2017
Filed:
Sep. 10, 2014
Robert Bosch Gmbh, Stuttgart, DE;
ROBERT BOSCH GMBH, Stuttgart, DE;
Abstract
A method for authenticating a transmitter to a receiver, as well as for the protected transmission of messages; both the transmitter, as well as the receiver at least having a first common key; a random number, as well as at least one first partial code of a first code calculated from the random number with the aid of the first key from the receiver to the transmitter being transmitted in a synchronization message; the first partial code being checked by the transmitter; a first counter being generated by the transmitter; useful data, as well as a first partial counter of first counter and at least one second partial code of a second code calculated with the aid of a second key being transmitted by the transmitter to the receiver in a message; and the receiver checking the second partial code to verify the transmitter, as well as the transmitted message.