Evaluation of the Effectiveness of PIN Code Authentication on Android Smart Devices


Authors : Abubakar Bello; Anas Shehu; Shamsu Sani; Zauwali Sabitu Paki

Volume/Issue : Volume 8 - 2023, Issue 10 - October

Google Scholar : https://tinyurl.com/yryj4vmm

Scribd : https://tinyurl.com/3fbskrju

DOI : https://doi.org/10.5281/zenodo.10029960

Abstract : The authentication system on Android devices aims to ensure that only the rightful owners of the devices get access to them. This work tested the usability of increasing the size of PIN from the conventional 4 digits to 5 digits using a specially designed Android app. We experimented with the scheme with 104 volunteers. Although only 2.88% of the respondents did not authenticate successfully after the allowable 3 retries, 41.45% of the users succeeded only after the third attempt. The average authentication time was 9 seconds.

The authentication system on Android devices aims to ensure that only the rightful owners of the devices get access to them. This work tested the usability of increasing the size of PIN from the conventional 4 digits to 5 digits using a specially designed Android app. We experimented with the scheme with 104 volunteers. Although only 2.88% of the respondents did not authenticate successfully after the allowable 3 retries, 41.45% of the users succeeded only after the third attempt. The average authentication time was 9 seconds.

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