User Authentication Method Based on MKL for Keystroke and Mouse Behavioral Feature Fusion

Table 3

Key value used.

Key value	Counts
A ∼ Z	26
0∼9	10
Number keyboard 0∼9	10
Number keyboard  + enter − /	6
F1∼F15	15
Backspace; tab; enter; clear; L-Shift; R-Shift; L-Control; R-Control; L-Alt; R-Alt	10
Pause; CapsLock; L-Windows; R-Windows; TextKey; Esc; SPACE	7
Page up; page down	2
End; Home	2
LeftArrow; UpArrow; RightArrow; DownArrow	4