Attack Potential Evaluation in Desktop and Smartphone Fingerprint Sensors: Can They Be Attacked by Anyone?

Table 3

Enrolment policy for each mobile device. Policies are given by the manufacturer and cannot be changed by the evaluator.

Mobile device	Attempt policy for enrolment
MD1	Around 10 attempts needed (can be extended 10 more times if the user wants). Asks the user to move finger to get different samples and checks it.
MD2	Around 15 attempts needed (10 for center part of the finger and 5 for corners). Asks the user to move finger to get different samples and checks it.
MD3	Around 20 attempts needed. Asks the user to move finger to get different samples and checks it.
MD4	Around 20 attempts needed. Asks the user to move finger to get different samples and checks it.
MD5	Around 6 attempts needed. It just asks the user to move the finger to get different samples, but does not check it.