Press touch code: A finger press based screen size independent authentication scheme for smart devices
Fig 4
(a) Flowchart of the registration phase of the multi-PTC variant and (b) Flowchart of the authentication phase of the multi-PTC variant.
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(a) Flowchart of the registration phase of the multi-PTC variant and (b) Flowchart of the authentication phase of the multi-PTC variant.