METHOD FOR COMMUNICATING DATA FROM A SENSOR DEVICE TO AN ELECTRONIC CONTROL UNIT, A SENSOR DEVICE AND AN ELECTRONIC CONTROL UNIT
First Claim
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1. A method for communicating data from a sensor device to an Electronic Control Unit using a single-wire bi-directional communication protocol, the method comprising:
- providing a first key of the Electronic Control Unit to the sensor device;
encrypting sensor data of the sensor device using the first key to determine encrypted data; and
transmitting the encrypted data from the sensor device to the Electronic Control Unit.
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Abstract
A method for communicating data from a sensor device to an Electronic Control Unit using a single-wire bi-directional communication protocol includes providing a first key of the Electronic Control Unit to the sensor device, encrypting sensor data of the sensor device using the first key to determine encrypted data, and transmitting the encrypted data from the sensor device to the Electronic Control Unit.
12 Citations
25 Claims
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1. A method for communicating data from a sensor device to an Electronic Control Unit using a single-wire bi-directional communication protocol, the method comprising:
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providing a first key of the Electronic Control Unit to the sensor device; encrypting sensor data of the sensor device using the first key to determine encrypted data; and transmitting the encrypted data from the sensor device to the Electronic Control Unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for communicating data from a sensor device to an Electronic Control Unit:
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transmitting a first key from the Electronic Control Unit to the sensor device; encrypting sensor data of the sensor device using the first key to determine encrypted data; and transmitting the encrypted data from the sensor device to the Electronic Control Unit.
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13. A sensor device for communicating sensor data to an Electronic Control Unit, comprising:
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a key interface configured to provide a first key of the Electronic Control Unit; an encryption module configured to encrypt the sensor data using the first key to determine encrypted data; an output interface configured to transmit the encrypted data to the Electronic Control Unit using a wired connection; and an input interface configured to receive data from the Electronic Control Unit. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. An Electronic Control Unit for receiving sensor data from a sensor device, comprising:
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a key interface configured to provide an internal key of the Electronic Control Unit; an input interface configured to receive encrypted data from the sensor device using a wired connection; an output interface configured to transmit data to the sensor device; and a decryption module configured to decrypt the encrypted data using the internal key to determine the sensor data. - View Dependent Claims (21, 22, 23, 24, 25)
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Specification