METHOD OF PROVIDING SECURITY FOR CONTROLLER USING ENCRYPTION AND APPARATUS THEREOF
First Claim
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1. A method of authenticating a controller by a gateway in a vehicle, comprising:
- transmitting a first symmetric key to the controller;
generating a first one-time authentication value (OTAV), encrypting the first OTAV with the first symmetric key and delivering the encrypted first OTAV to the controller;
sending a request for authentication using the first OTAV to the controller; and
receiving a hash value from the controller in response to the request.
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Abstract
A method of authenticating a controller by a gateway in a vehicle may include transmitting a first symmetric key to the controller; generating a first one-time authentication value (OTAV), encrypting the first OTAV with the first symmetric key and delivering the encrypted first OTAV to the controller; sending a request for authentication using the first OTAV to the controller; and receiving a hash value from the controller in response to the request.
11 Citations
17 Claims
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1. A method of authenticating a controller by a gateway in a vehicle, comprising:
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transmitting a first symmetric key to the controller; generating a first one-time authentication value (OTAV), encrypting the first OTAV with the first symmetric key and delivering the encrypted first OTAV to the controller; sending a request for authentication using the first OTAV to the controller; and receiving a hash value from the controller in response to the request. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 17)
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11. A method of performing authentication by a controller with respect to a gateway in a vehicle, comprising:
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receiving a first symmetric key from the gateway; receiving a first one-time authentication value (OTAV), encrypted with the first symmetric key; receiving a request for authentication using the first OTAV from the gateway; and transmitting a hash value of the first OTAV to the gateway in response to the request. - View Dependent Claims (12, 13, 14, 15, 16)
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Specification