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Can you suggest me some test cases for fingerprint functionality?

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    What have you tried so far? What research have you done regarding fingerprint-based logins? What attack vectors have your read about?
    – dzieciou
    Jun 4 '19 at 7:22
  • i am fresher sir. i dn hv any idea abt this. Jun 4 '19 at 7:27
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    I don't understand shortcuts like dn, hv, abt. Can you please use proper English?
    – dzieciou
    Jun 4 '19 at 7:28
  • sir i don't have any idea about this. Jun 4 '19 at 7:29
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    As a fresher you still have access to a lot of resources. Just googling "fingerprint login test" returns a lot of answers. Similarly, Google Scholar: scholar.google.com/…
    – dzieciou
    Jun 4 '19 at 7:30
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Here are a couple of positive & negative test cases for the fingerprint scanner. You can validate feature(login in your case)based on what is allowed per spec.

  • Register any of your fingers(say thumb of your right hand).
  • Swipe with a registered finger on log-in from a locked screen.
  • Swipe with a registered finger on log-in after the restart.
  • Swipe registered hand in an up-to-down, down-to-up, right-to-left, left-to-right, circular motion, wave it above without contact, with gloves on, with oily fingers etc.
  • Try with the left thumb(counterpart of registered) with the above scenarios.
  • Try with all other fingers of the hand.
  • Try with the palm of the hand.
  • Try with partial contact of the registered finger - left portion up, right portion up, top portion up, bottom portion up
  • Try with the back of the registered finger.
  • Try with registered composite keys(ex. more than one finger) this will spawn its own set of scenarios.
  • Try swiping with registered or with unregistered fingers when a user is logged in(not locked)
  • Try after screensaver locks the screen.
  • Try after installing updates for fingerprint reader software or other software.
  • Try with hardware updates.
  • Try with a mould created from your registered finger.(I used favicol to create mask)
  • Slow speed swipe, medium speed swipe, high-speed swipe.
  • Try repeated locking and swiping to see if it stops working after a certain point.
  • Check-in combination with other authentication options such as card reader.
  • Try when the computer is in sleep mode.
  • Try after hitting ctrl + alt + del or without hitting those keys.
  • Try with the power cord on or on battery mode.
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  • thank uh nitin sir Jun 4 '19 at 8:19
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    Why has someone downvoted this answer without providing any feedback? That's very unconstructive behaviour.
    – dzieciou
    Jun 4 '19 at 9:53
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Apart from the above mentioned test cases, below are the few other test cases which are executed by software testing company to test the fingerprint systems:-

  • Test the performance of fingerprint system for allowing the valid user i.e Time taken by the system to allowed the access of valid user.
  • Test the performance of system for rejecting the invalid user ie. Time taken by the system to reject the invalid user.
  • Sometimes valid user is not allowed to access the fingerprint system. For this case, test what other way provided to user in order to access the system.
  • Test the system with valid user finger in different ways say:-
    • Test the system with valid user when finger is dipped with water.
    • Test the system with valid user when finger is dipped with any color or sketch mark on finger.
    • Test the system with valid user when finger is covered with transparent gloves

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