Authentication device including template validation and related methods
First Claim
1. An authentication device comprising:
- a housing;
a finger sensor carried by the housing and comprising first processing circuitry and a finger sensing area coupled thereto and capable ofobtaining an image of a finger based upon a finger positioned adjacent the finger sensing area,generating finger image data from the image of the finger,encrypting the finger image data, andgenerating and storing a first template based upon the finger image data; and
second processing circuitry carried by the housing and capable ofobtaining the encrypted finger image data from the first processing circuitry, andgenerating a second template based upon the encrypted finger image data;
the first processing circuitry capable ofobtaining the second template from the second processing circuitry, andvalidating the second template against the first template to determine whether the finger image data is at least one of representative of a spoof finger, has been substituted with other finger image data, and representative of tampered finger image data.
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Accused Products
Abstract
An authentication device may include a housing and a finger sensor carried by the housing and including first processing circuitry and a finger sensing area coupled thereto. The first processing circuitry may be configured to generate finger image data based upon a finger positioned adjacent the finger sensing area, and generate and store a first template based upon the finger image data. The authentication device may include second processing circuitry carried by the housing and configured to obtain the finger image data from the first processing circuitry. The second processing circuitry may be configured to generate a second template based upon the finger image data. The first processing circuitry may further be configured to obtain the second template from second processing circuitry, and validate the second template against the first template.
16 Citations
23 Claims
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1. An authentication device comprising:
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a housing; a finger sensor carried by the housing and comprising first processing circuitry and a finger sensing area coupled thereto and capable of obtaining an image of a finger based upon a finger positioned adjacent the finger sensing area, generating finger image data from the image of the finger, encrypting the finger image data, and generating and storing a first template based upon the finger image data; and second processing circuitry carried by the housing and capable of obtaining the encrypted finger image data from the first processing circuitry, and generating a second template based upon the encrypted finger image data; the first processing circuitry capable of obtaining the second template from the second processing circuitry, and validating the second template against the first template to determine whether the finger image data is at least one of representative of a spoof finger, has been substituted with other finger image data, and representative of tampered finger image data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An authentication device comprising:
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a housing; a finger sensor carried by the housing and comprising first processing circuitry and a finger sensing area coupled thereto and capable of obtaining an image of a finger based upon a finger positioned adjacent the finger sensing area, generating fingerprint image data from the image of the finger, encrypting the fingerprint image data, and generating and storing a first template based upon fingerprint minutiae extracted from the fingerprint image data using a first algorithm; and second processing circuitry carried by the housing and capable of obtaining the encrypted fingerprint image data from the first processing circuitry, and generating a second template based upon fingerprint minutiae extracted from the encrypted fingerprint image data using a second algorithm, and the second algorithm being more processing intensive than the first algorithm; the first processing circuitry capable of obtaining the second template from the second processing circuitry, and validating the second template against the first template to determine whether the fingerprint image data is at least one of representative of a spoof finger, has been substituted with other fingerprint image data, and representative of tampered fingerprint image data. - View Dependent Claims (11, 12, 13, 14, 15)
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16. An authentication method for an authentication device comprising a housing, a finger sensor carried by the housing and comprising first processing circuitry and a finger sensing area coupled thereto, and second processing circuitry carried by the housing, the method comprising:
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obtaining an image of a finger based upon a finger positioned adjacent the finger sensing area; generating, via the first processing circuitry, finger image data from the image of the finger, encrypting, via the first processing circuitry, the finger image data, generating and storing, via the first processing circuitry, a first template based upon the finger image data; obtaining, via the second processing circuitry, the encrypted finger image data from the first processing circuitry; generating, via the second processing circuitry, a second template based upon the encrypted finger image data; obtaining, via the first processing circuitry, the second template from the second processing circuitry; and validating, via the first processing circuitry, the second template against the first template to determine whether the finger image data is at least one of representative of a spoof finger, has been substituted with other finger image data, and representative of tampered finger image data. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23)
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Specification