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First Claim
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1. A method by which a computer system authenticates a user, the method comprising:
- displaying a plurality of unique elements to a user on a touch-sensitive display device at an authentication time, including, for each unique element, displaying a unique color of that unique element on a distinct portion of the display device;
receiving, at the authentication time, a first set of points corresponding to a first sweeping motion performed by the user with respect to the display device, including;
receiving, at the authentication time, a first point defined by an initial location touched by a first touching implement of the user on the touch-sensitive display screen; and
receiving all subsequent points defined by all subsequent locations touched by the first touching implement of the user on the touch-sensitive display screen until the first touching implement of the user loses contact with the touch-sensitive display screen, the first point and the subsequent points defining the first sweeping motion;
determining a first pair of unique elements of the plurality of unique elements defined by endpoints of the first sweeping motion;
receiving a second set of points corresponding to a second simultaneous sweeping motion performed by the user with respect to the touch-sensitive display screen using a second touching implement distinct from the first touching implement;
determining a second pair of unique elements of the plurality of unique elements defined by endpoints of the second sweeping motion, the second pair of unique elements being distinct from the first pair of unique elements; and
authenticating the user only if both the first pair of unique elements and the second pair of unique elements are associated for authentication purposes with the user;
wherein the first touching implement is selected from a group consisting of a finger and a stylus and the second touching implement is selected from another group consisting of a finger and a stylus.
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Abstract
A method by which a computer system authenticates a user is provided. The method includes (a) displaying a plurality of unique elements to a user on a display device, (b) receiving a set of points corresponding to a sweeping motion performed by the user with respect to the display device, (c) determining a pair of unique elements of the plurality of unique elements defined by endpoints of the sweeping motion, and (d) authenticating the user only if the pair of unique elements is associated for authentication purposes with the user. An apparatus and computer program product for performing the method are also provided.
23 Citations
17 Claims
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1. A method by which a computer system authenticates a user, the method comprising:
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displaying a plurality of unique elements to a user on a touch-sensitive display device at an authentication time, including, for each unique element, displaying a unique color of that unique element on a distinct portion of the display device; receiving, at the authentication time, a first set of points corresponding to a first sweeping motion performed by the user with respect to the display device, including; receiving, at the authentication time, a first point defined by an initial location touched by a first touching implement of the user on the touch-sensitive display screen; and receiving all subsequent points defined by all subsequent locations touched by the first touching implement of the user on the touch-sensitive display screen until the first touching implement of the user loses contact with the touch-sensitive display screen, the first point and the subsequent points defining the first sweeping motion; determining a first pair of unique elements of the plurality of unique elements defined by endpoints of the first sweeping motion; receiving a second set of points corresponding to a second simultaneous sweeping motion performed by the user with respect to the touch-sensitive display screen using a second touching implement distinct from the first touching implement; determining a second pair of unique elements of the plurality of unique elements defined by endpoints of the second sweeping motion, the second pair of unique elements being distinct from the first pair of unique elements; and authenticating the user only if both the first pair of unique elements and the second pair of unique elements are associated for authentication purposes with the user; wherein the first touching implement is selected from a group consisting of a finger and a stylus and the second touching implement is selected from another group consisting of a finger and a stylus. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 17)
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13. An apparatus comprising:
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a display interface connected to a touch-sensitive display device; a user interface connected to the touch-sensitive display device; memory, storing a set of associations between a set of users and a set of pairs of unique elements; and a controller, the controller configured to; direct the display device, via the display interface, to display a plurality of unique elements to a user on the touch-sensitive display device at an authentication time by, for each unique element, displaying a unique color of that unique element on a distinct portion of the display device; receive, from the user interface at the authentication time, a first set of points corresponding to a first sweeping motion performed by the user with respect to the display device by; receiving, at the authentication time, a first point defined by an initial location touched by a first touching implement of the user on the touch-sensitive display screen; and receiving all subsequent points defined by all subsequent locations touched by the first touching implement of the user on the touch-sensitive display screen until the first touching implement of the user loses contact with the touch-sensitive display screen, the first point and the subsequent points defining the first sweeping motion; determine a first pair of unique elements of the plurality of unique elements defined by endpoints of the first sweeping motion; receive, by the user interface, a second set of points corresponding to a second simultaneous sweeping motion performed by the user with respect to the touch-sensitive display screen using a second touching implement distinct from the first touching implement; determine a second pair of unique elements of the plurality of unique elements defined by endpoints of the second sweeping motion, the second pair of unique elements being distinct from the first pair of unique elements; and authenticate the user only if both the first pair of unique elements and the second pair of unique elements are associated with the user by one of the set of associations stored in memory; wherein the first touching implement is selected from a group consisting of a finger and a stylus and the second touching implement is selected from another group consisting of a finger and a stylus. - View Dependent Claims (14, 15)
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16. A computer program product comprising a non-transitory computer-readable medium, the computer-readable medium storing instructions, which, when performed by a computerized device, cause the computerized device to:
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display a plurality of unique elements to a user on a touch-sensitive display device at an authentication time, including, for each unique element, displaying a unique color of that unique element on a distinct portion of the display device; receive, at the authentication time, a first set of points corresponding to a first sweeping motion performed by the user with respect to the display device, by; receiving, at the authentication time, a first point defined by an initial location touched by a first touching implement of the user on the touch-sensitive display screen; and receiving all subsequent points defined by all subsequent locations touched by the first touching implement of the user on the touch-sensitive display screen until the first touching implement of the user loses contact with the touch-sensitive display screen, the first point and the subsequent points defining the first sweeping motion; determine a first pair of unique elements of the plurality of unique elements defined by endpoints of the first sweeping motion; receive a second set of points corresponding to a second simultaneous sweeping motion performed by the user with respect to the touch-sensitive display screen using a second touching implement distinct from the first touching implement; determine a second pair of unique elements of the plurality of unique elements defined by endpoints of the second sweeping motion, the second pair of unique elements being distinct from the first pair of unique elements; and authenticate the user only if both the first pair of unique elements and the second pair of unique elements are associated with the user; wherein the first touching implement is selected from a group consisting of a finger and a stylus and the second touching implement is selected from another group consisting of a finger and a stylus.
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Specification