Deception Attacks against Android-Based Smart Bracelets

Table 1

Instructions found in the decompiled code.

Instructions	Function	Returned value type	Remarks
110, 1, 15, 1, −113	Read battery power	Byte array	The 3rd digit of returned byte array multiplied by 5 is current battery power
110, 1, 21, m, d, y, h, m, s	Set date and time	0 or 1	m, d, and y represent date; h, m, and s represent time
110, 1, 4, 1, −113	Read motion data	Byte array	The 12th and the 18th digits of the returned byte array represent the calories burned and the step number
…	-	-	-