Importance

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Abstract

A keyboard, in particular a POS (point of sale, point of service) keyboard, bank keyboard, keyboard for secure data entry, and a method for secure transmission of data that is entered through various data entry modules such as, e.g., magnetic card readers, chip card readers, key switches, or a keypad, to an external device connected to the keyboard, for example a computer. The keyboard comprises at least one data entry module for entering data and a keyboard control device with at least one receiving device for receiving the entered data, an encryption device for encrypting the received data by means of an encryption algorithm, wherein the encryption algorithm is present in the form of program code, and a transmission device for transmitting the data encrypted by the encryption means to the external device connected to the keyboard control device, wherein the encryption algorithm can be selected by the user from multiple predefined encryption algorithms and associated with the data entry module.

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First Claim