Challenge-response methodology for securing vehicle diagnostic services
First Claim
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1. A method for locally authenticating a vehicle diagnostic tool with a vehicle using a challenge-response authentication scheme, the method comprising:
- receiving a pairing request from the vehicle diagnostic tool;
presenting a user with a challenge through at least one of an audio system and an LCD display associated with the vehicle, wherein the challenge includes at least one of an alphanumeric code displayed to the user through the LCD display and a requested local action, wherein the requested local action includes a requested actuation of at least one of a button and a toggle switch of the vehicle;
receiving a response to the challenge from the user, wherein the response includes at least one of a representation of an entered alphanumeric code from the vehicle diagnostic tool and a sequence of user actions within the vehicle, wherein the sequence of user actions includes an actuation of the at least one of the button and the toggle switch of the vehicle; and
authenticating the vehicle diagnostic tool if the response from the user is identical to an expected response.
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Abstract
A method for locally authenticating a vehicle diagnostic tool with a vehicle using a challenge-response authentication scheme includes: receiving a pairing request from the vehicle diagnostic tool; presenting a user with a challenge through at least one of an audio system and an LCD display associated with the vehicle; receiving a response to the challenge from a user; and authenticating the vehicle diagnostic tool if the response from the user is identical to an expected response.
6 Citations
16 Claims
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1. A method for locally authenticating a vehicle diagnostic tool with a vehicle using a challenge-response authentication scheme, the method comprising:
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receiving a pairing request from the vehicle diagnostic tool; presenting a user with a challenge through at least one of an audio system and an LCD display associated with the vehicle, wherein the challenge includes at least one of an alphanumeric code displayed to the user through the LCD display and a requested local action, wherein the requested local action includes a requested actuation of at least one of a button and a toggle switch of the vehicle; receiving a response to the challenge from the user, wherein the response includes at least one of a representation of an entered alphanumeric code from the vehicle diagnostic tool and a sequence of user actions within the vehicle, wherein the sequence of user actions includes an actuation of the at least one of the button and the toggle switch of the vehicle; and authenticating the vehicle diagnostic tool if the response from the user is identical to an expected response. - View Dependent Claims (2, 3, 4, 5)
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6. A system comprising:
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a vehicle diagnostic tool including a display and an input device; a vehicle in wireless communication with the vehicle diagnostic tool, the vehicle including; a plurality of vehicle control systems; an LCD display; a master controller in networked communication with each of the plurality of vehicle control systems over a communication bus; wherein the master controller is configured to; receive a pairing request from the vehicle diagnostic tool; present a user with a challenge through the LCD display in response to the pairing request, wherein the challenge includes at least one of an alphanumeric code displayed to the user through the LCD display and a requested local action, wherein the requested local action includes a requested actuation of at least one of a button and a toggle switch of the vehicle; receive a response to the challenge from the user, wherein the response includes at least one of a representation of an entered alphanumeric code from the vehicle diagnostic tool and a sequence of user actions within the vehicle, wherein the sequence of user actions includes an actuation of the at least one of the button and the toggle switch of the vehicle; and authenticate the vehicle diagnostic tool if the response from the user is identical to an expected response. - View Dependent Claims (7, 8, 9, 10, 11)
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12. A system for locally authenticating a vehicle diagnostic tool with a vehicle using a challenge-response authentication scheme, the system, comprising:
a non-transitory computer readable medium containing program instructions for causing a processor to perform the method of; receiving a pairing request from the vehicle diagnostic tool; presenting a user with a challenge through at least one of an audio system and an LCD display associated with the vehicle, wherein the challenge includes at least one of an alphanumeric code displayed to the user through the LCD display and a requested local action, wherein the requested local action includes a requested actuation of at least one of a button and a toggle switch of the vehicle; receiving a response to the challenge from a user via an input device of the vehicle diagnostic tool, wherein the response includes at least one of a representation of an entered alphanumeric code from the vehicle diagnostic tool and a sequence of user actions within the vehicle, wherein the sequence of user actions includes an actuation of the at least one of the button and the toggle switch of the vehicle; and authenticating the vehicle diagnostic tool if the response from the user is identical to an expected alphanumeric response. - View Dependent Claims (13, 14, 15, 16)
Specification