Cryptography – Particular algorithmic function encoding – Nbs/des algorithm
Patent
1996-05-31
1998-06-16
Tarcza, Thomas H.
Cryptography
Particular algorithmic function encoding
Nbs/des algorithm
380 25, H04L 900, H04L 910
Patent
active
057683867
ABSTRACT:
An improved touch screen encryption device and method is disclosed. The user selects information from prompts displayed on a touch screen. The improved device determines the input information based upon the location of the touch. The device encrypts the information--for example, the user's personal identification number--and sends the encrypted information to a remote processor. The device and method may be used by a financial institution (such as a bank), a postal services institution or wherever sensitive information is input through a touch screen.
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Bui Xuan S.
Dessouky Inas M.
Do Cuong
Gryte Stephen M.
Hsu Phoebe Rin-Rin
Marcou George T.
Tarcza Thomas H.
Transaction Technology Inc.
White Carmen D.
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