| 摘要 |
<p>The present invention relates to a key input method and an apparatus thereof. The key input method outputs a virtual keypad which changes the key arrangement of two rows mutually and recognizes a password by collating inputted keys after inputting the keys through the outputted virtual keypad. The present invention prevents the leakage of the password due to hacking by setting at least one fake key among the keys included on the virtual keypad when inputting the password.</p> |
