Robert Boschgmbh

Md Tanvir Arafin

Jorge Guajardo Merchan

Shalabh Jain

Qian Wang

A method of operating at least one node in a communication network that uses a shared communication medium has been developed. The method includes adjusting, with a controller in a first node, a resistance of a first potentiometer in the first node to a first resistance level that the controller in the first node determines randomly, the first potentiometer in the first node being connected to an output of a transceiver in the first node and to a shared communication medium, and transmitting, with the transceiver in the first node, a first data bit through the output that is connected to the shared communication medium with the first potentiometer producing the first resistance level.

Method to mitigate voltage based attacks on key agreement over controller area network (CAN)

A method for operating at least one node connected to a shared communication medium reduces or eliminates the ability of an adversary node to identify the at least one node based on transient signal characteristics of a signal that the at least one node generates when transmitting a bit through the shared communication medium. The method includes adjusting, with a controller in a first node, an impedance of a variable impedance circuit in the first node to a first impedance level that the controller determines randomly, the variable impedance circuit in the first node being connected to an output of a transceiver in the first node and to a shared communication medium, and transmitting, with the transceiver, a first data bit through the shared communication medium with the variable impedance circuit producing the first impedance level.

Growing community of inventors

College Park, MD, United States of America

Md Tanvir Arafin