Password protection apparatus and method and cipher keyboard
A password protection and password keyboard technology, which is applied in computer security devices, internal/peripheral computer component protection, complete banking systems, etc., can solve the problems of inconvenient key blocking, high cost, easy password leakage, etc., to prevent passwords from being peeped , The effect of low manufacturing cost
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[0024] Such as image 3 As shown, it is a password keyboard 30 of a password protection device in a preferred embodiment, which is used to connect with the host system of the password protection device to provide a password input terminal for the user. The password protection device is an electronic device that needs to be authenticated by a user inputting a password, such as an ATM of a bank. The password keyboard 30 includes a number key unit 32 , a confirmation key 34 , an undo key 36 and a display unit 38 .
[0025] The number key unit 32 is ten number keys from 0 to 9, which are used to generate coded data corresponding to the numbers in response to key operation by the user.
[0026] The confirmation key 34 is used to generate a confirmation signal in response to the user's key operation, indicating that the user's password input is completed.
[0027] The undo key 36 is used to generate an undo signal in response to the user's key operation, indicating that the user n...
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