Authenticating a user on behalf of another user based upon a unique body signature determined through bone conduction signals
First Claim
1. A method comprising:
- receiving, by a conversion device, an authentication signal generated by a user device;
modifying, by the conversion device, the authentication signal to create a modified authentication signal, the modified authentication signal taking into account a difference between how a first body of a first user and a second body of a second user would affect a reference bone conduction signal so that the modified authentication signal, if propagated through the first body of the first user, would appear to an authentication device as the authentication signal propagated through only the second body of the second user; and
transmitting, by the conversion device, the modified authentication signal through the first body of the first user to the authentication device that, in turn, authenticates the first user based upon the modified authentication signal, and thereby the first user spoofs an identity of the second user.
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Abstract
Concepts and technologies are disclosed herein for spoofing bone conduction signals. According to one aspect, a device can compare a first unique body signature associated with a first user to a second unique body signature associated with a second user to determine a first unique effect of a first body of the first user on a signal and a second unique effect of a second body of the second user on the signal. The device can generate an authentication signal based upon the first unique effect and the second unique effect to include signal characteristics that, after propagating through the first body of the first user, are representative of the second unique body signature. The device can transmit the authentication signal through the first body of the first user to an authentication device that authenticates the first user on behalf of the second user.
201 Citations
20 Claims
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1. A method comprising:
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receiving, by a conversion device, an authentication signal generated by a user device; modifying, by the conversion device, the authentication signal to create a modified authentication signal, the modified authentication signal taking into account a difference between how a first body of a first user and a second body of a second user would affect a reference bone conduction signal so that the modified authentication signal, if propagated through the first body of the first user, would appear to an authentication device as the authentication signal propagated through only the second body of the second user; and transmitting, by the conversion device, the modified authentication signal through the first body of the first user to the authentication device that, in turn, authenticates the first user based upon the modified authentication signal, and thereby the first user spoofs an identity of the second user. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A conversion device comprising:
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a processor; and memory that stores instructions that, when executed by the processor, cause the processor to perform operations comprising; receiving an authentication signal generated by a user device, modifying the authentication signal to create a modified authentication signal, the modified authentication signal taking into account a difference between how a first body of a first user and a second body of a second user would affect a reference bone conduction signal so that the modified authentication signal, if propagated through the first body of the first user, would appear to an authentication device as the authentication signal propagated through only the second body of the second user, and transmitting the modified authentication signal through the first body of the first user to the authentication device that, in turn, authenticates the first user based upon the modified authentication signal. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A computer-readable storage medium having instructions stored thereon that, when executed by a processor of a conversion device, cause the processor to perform operations comprising:
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receiving an authentication signal generated by a user device; modifying the authentication signal to create a modified authentication signal, the modified authentication signal taking into account a difference between how a first body of a first user and a second body of a second user would affect a reference bone conduction signal so that the modified authentication signal, if propagated through the first body of the first user, would appear to an authentication device as the authentication signal propagated through only the second body of the second user; and transmitting the modified authentication signal through the first body of the first user to the authentication device that, in turn, authenticates the first user based upon the modified authentication signal. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification