HWAuth: Handwriting-Based Socially-Inclusive Authentication

Joon Kuy Han, Byungkon Kang, Dennis Wong

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)


Small, local group of users who share private resources (e.g., families, university labs, business departments) usually have limited usable authentication needs. For these entities, existing authentication solutions either require excessive personal information (e.g., biometrics), do not distinguish each user (e.g., shared passwords), or lack security measures when the access key is compromised (e.g., physical keys). We propose an alternative solution by designing HWAuth: an inclusive group authentication system with a shared text that is uniquely identifiable for each user. Each user shares the same textual password, but individual handwriting styles of the text are used to distinguish each user. We evaluated the usability and security of our design through a user study with 30 participants. Our results suggest that (1) users who enter the same shared passwords are discernible from one another, and (2) that users were able to consistently login using HWAuth.

Original languageEnglish
Title of host publicationProceedings - SIGGRAPH Asia 2021 Posters, SA 2021
EditorsStephen N. Spencer
PublisherAssociation for Computing Machinery, Inc
ISBN (Electronic)9781450386876
Publication statusPublished - 14 Dec 2021
Externally publishedYes
EventSIGGRAPH Asia 2021 Posters - Computer Graphics and Interactive Techniques Conference - Asia, SA 2021 - Tokyo, Japan
Duration: 14 Dec 202117 Dec 2021

Publication series

NameProceedings - SIGGRAPH Asia 2021 Posters, SA 2021


ConferenceSIGGRAPH Asia 2021 Posters - Computer Graphics and Interactive Techniques Conference - Asia, SA 2021


  • human computer interaction
  • socially-inclusive authentication


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