Antialiasing for picture passwords and other touch displays

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United States of America Patent

PATENT NO 9490981
SERIAL NO

14728904

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Antialiasing for picture passwords and other touch displays is disclosed. In some embodiments a client device for authenticating a user is operable to obtain a sequence of input actions for an image and obtain a partial hash from a Proof of Knowledge (PoK) server where the partial hash is part of a hash used for authentication of the user. The client device is also operable to calculate a hash for the sequence and determine if a part of the hash matches the partial hash. If the part of the hash matches the partial hash, the client device sends a communication to the PoK server to authenticate the user based on the hash for the sequence of the one or more input actions and obtain a response indicating whether the user is authenticated. In this way, sending some hashes to the proof of knowledge server may not be necessary, saving resources.

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Patent Owner(s)

  • ANTIQUE BOOKS, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Donnell, Justin D Verona, US 14 166
Thibadeau,, Jr Robert Decatur, US 10 150
Thibadeau,, Sr Robert H Pittsburgh, US 19 131

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