ENCRYPTION AND AUTHENTICATION SYSTEMS AND METHODS
First Claim
Patent Images
1. A computer-implemented method configured for execution on a suitably configured computing device having one or more processors, the method comprising:
- receiving a plurality of selected passphrase digits that were selected for display on a display device; and
transmitting information indicative of a shape for display on the display device, wherein the shape is associated with the selected passphrase digits.
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Abstract
Methods, apparatus, and systems are disclosed for, among other things, passphrase input using secure delay, passphrase input with characteristic shape display, user authentication with non-repeated selection of elements with a displayed set of elements, document authentication with embedding of a digital signature stamp within a graphical representation of the electronic document wherein the stamp comprises digits of a digital signature, and sub-hash computation using secure delay.
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Citations
27 Claims
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1. A computer-implemented method configured for execution on a suitably configured computing device having one or more processors, the method comprising:
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receiving a plurality of selected passphrase digits that were selected for display on a display device; and transmitting information indicative of a shape for display on the display device, wherein the shape is associated with the selected passphrase digits. - View Dependent Claims (2, 3, 4, 5)
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6. A tangible computer readable storage medium having computer-executable instructions stored thereon, the computer-executable instructions readable by a computing system comprising one or more computing devices, wherein the computer-executable instructions are executable on the computing system in order to cause the computing system to perform operations comprising:
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displaying a plurality of passphrase digits on a display of a display device; receiving user selections of the plurality of passphrase digits; and displaying a passphrase shape on the display, wherein the passphrase shape corresponds to relative positions of the selected passphrase digits on the display. - View Dependent Claims (7, 8, 9, 10, 11)
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12. A computing system comprising:
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an input device configured to receive input from a user; a display device configured to generate a user-viewable display; and a processor configured to initiate display on the display device of a plurality of passphrase groups, wherein each passphrase group includes one or more selectable passphrase indicia; receive selections of one or more selectable passphrase indicia from the input device; and initiate display on the display device of a shape indicative of the location of the selected one or more passphrase indicia on the display device. - View Dependent Claims (13, 14, 15, 16)
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17. A device comprising:
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means for receiving indications of user selections of a plurality of passphrase digits; and means for generating a passphrase shape, wherein the passphrase shape is associated with the selected passphrase digits.
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18. A computer-implemented method configured for execution on a suitably configured computing device having one or more processors, the method comprising:
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receiving indications of a plurality of selected passphrase digits; storing the indications in a computer readable medium; and initiating transmission of information indicative of a shape that is associated with the plurality of selected passphrase digits to a computing device. - View Dependent Claims (19, 20, 21, 22, 23)
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24. A passphrase input method comprising:
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displaying a plurality of passphrase digits on a display device; receiving a plurality of user inputs of selected passphrase digits from an input device; and displaying a shape that is associated with the passphrase digits. - View Dependent Claims (25, 26, 27)
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Specification