Electronics and Telecommunications Research Institute

YoungJae Maeng

Sang Hun Lee

Sangwoo Park

In Jung Kim

Jonghu Lee

Hyun Dong Park

A toggle key blocking method for data security and an apparatus using the same. The toggle key blocking method for data security includes monitoring use of a toggle key on a host with which a keyboard is used, when use of a toggle key on the host is detected, generating details of occurrence of a toggle key event based on a time at which the toggle key event occurred; and blocking use of the toggle key on the host if the host satisfies a toggle key blocking condition based on the details of occurrence of the toggle key event.

Toggle key blocking method for data security and apparatus using the same

A keyboard device and a data communication method using the keyboard device. The data communication method includes generating, by the keyboard device, data that is a set of commands to be executed by a computer using a key input signal that is generated when a key is input, transmitting, by the keyboard device, the generated data to the computer, thus allowing the computer to execute each command corresponding to the data, and receiving, by the keyboard device, results of executing the command corresponding to the data from the computer, wherein the command includes a line coding method to be used when the computer transmits data to the keyboard device, and wherein the computer generates a toggle key signal to correspond to the line coding method and transmits the toggle key signal to the keyboard device.

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Daejeon, South Korea

YoungJae Maeng