Usability Study on Textual and Graphical Passwords

One of the most common methods used for authentication are passwords, in particular textual passwords. However, maintaining multiple textual passwords across various websites or information systems could be an overwhelming task especially when it comes to memorability. An alternative is Graphical pa...

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Main Authors: Toluwase B. Ologundudu, Aderonke B. Sakpere
Format: Article
Language:English
Published: Nigerian Academy of Science 2022-06-01
Series:The Proceedings of the Nigerian Academy of Science
Subjects:
Online Access:https://nasjournal.org.ng/site/index.php/pnas/article/view/301/155
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author Toluwase B. Ologundudu
Aderonke B. Sakpere
author_facet Toluwase B. Ologundudu
Aderonke B. Sakpere
author_sort Toluwase B. Ologundudu
collection DOAJ
description One of the most common methods used for authentication are passwords, in particular textual passwords. However, maintaining multiple textual passwords across various websites or information systems could be an overwhelming task especially when it comes to memorability. An alternative is Graphical passwords as pictures could be easier to recollect. Pictures on the other hand could be memory intensive. As a result, this research explores the use of graphical and textual passwords by integrating the strong points of both password scheme thereby providing stronger authentication platform that may be difficult for attackers to break. The use of a background image for memorability and security purpose was adopted in the implementation of the graphical scheme. A usability experiment was carried out with users from diverse background. The users were given the developed system that integrates the two password applications to use. A questionnaire was then administered to enable them share their user experience. Results from the evaluation of the system showed high level of acceptance of the use of a graphical password scheme from participants, even though it was a relatively new concept to them. In particular, 82% of the users preferred graphical passwords as a more secure scheme against the other 18% who preferred the use of a textual password. The textual password length and combination was simplified by avoiding excessive length since the graphical password augmented in terms of security. Overall, 77% of the participants were able to successfully carry out each task highlighted in the questionnaire.
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spelling doaj.art-abe993f715cb42dca1539f576106d7692023-06-15T11:09:54ZengNigerian Academy of ScienceThe Proceedings of the Nigerian Academy of Science0794-79762705-327X2022-06-0114182100https://doi.org/10.57046/WQXY9451Usability Study on Textual and Graphical PasswordsToluwase B. Ologundudu0Aderonke B. Sakpere1Department of Computer Science, University of Ibadan, Ibadan, Nigeria.Department of Computer Science, University of Ibadan, Ibadan, Nigeria.One of the most common methods used for authentication are passwords, in particular textual passwords. However, maintaining multiple textual passwords across various websites or information systems could be an overwhelming task especially when it comes to memorability. An alternative is Graphical passwords as pictures could be easier to recollect. Pictures on the other hand could be memory intensive. As a result, this research explores the use of graphical and textual passwords by integrating the strong points of both password scheme thereby providing stronger authentication platform that may be difficult for attackers to break. The use of a background image for memorability and security purpose was adopted in the implementation of the graphical scheme. A usability experiment was carried out with users from diverse background. The users were given the developed system that integrates the two password applications to use. A questionnaire was then administered to enable them share their user experience. Results from the evaluation of the system showed high level of acceptance of the use of a graphical password scheme from participants, even though it was a relatively new concept to them. In particular, 82% of the users preferred graphical passwords as a more secure scheme against the other 18% who preferred the use of a textual password. The textual password length and combination was simplified by avoiding excessive length since the graphical password augmented in terms of security. Overall, 77% of the participants were able to successfully carry out each task highlighted in the questionnaire.https://nasjournal.org.ng/site/index.php/pnas/article/view/301/155password schemestextual passwordgraphical passwordusable securityauthentication
spellingShingle Toluwase B. Ologundudu
Aderonke B. Sakpere
Usability Study on Textual and Graphical Passwords
The Proceedings of the Nigerian Academy of Science
password schemes
textual password
graphical password
usable security
authentication
title Usability Study on Textual and Graphical Passwords
title_full Usability Study on Textual and Graphical Passwords
title_fullStr Usability Study on Textual and Graphical Passwords
title_full_unstemmed Usability Study on Textual and Graphical Passwords
title_short Usability Study on Textual and Graphical Passwords
title_sort usability study on textual and graphical passwords
topic password schemes
textual password
graphical password
usable security
authentication
url https://nasjournal.org.ng/site/index.php/pnas/article/view/301/155
work_keys_str_mv AT toluwasebologundudu usabilitystudyontextualandgraphicalpasswords
AT aderonkebsakpere usabilitystudyontextualandgraphicalpasswords