A Camouflage Text-Based Password Approach for Mobile Devices against Shoulder-Surfing Attack

Table 2

Summarizing the results of the time needed to enter the password.

Defensive technique	Device	Total time (seconds)
		Avg.	SD	Max	Min
Type 1	HTC	20.8	3.25	26.8	15.4
	Tab	18.8	3.25	27.23	12.69
Type 2	HTC	23.2	2.10	27.60	19.80
	Tab	21.5	2.70	32.15	18.30
Type 3	HTC	18.5	2.51	22.70	12.83
	Tab	17.06	2.08	21.20	13.40