Open Access

ARTICLE

Cryptanalysis of an Online/Offline Certificateless Signature Scheme for Internet of Health Things

Saddam Hussain¹, Syed Sajid Ullah^2,*, Mohammad Shorfuzzaman³, Mueen Uddin⁴, Mohammed Kaosar⁵

1 Department of Information Technology, Hazara University, Mansehra, 21120, KPK, Pakistan
2 Department of Electrical and Computer Engineering, Villanova University, PA, USA
3 Department of Computer Science, College of Computers and Information Technology, Taif University, Taif, 21944, Saudi Arabia
4 Digital Science, Faculty of Science, Universiti Brunei Darussalam, Jln Tungku link, Gadong, BE1410, Brunei Darussalam
5 Discipline of Information Technology, Media and Communications, College of Arts, Business, Law and Social Sciences (ABLSS), Murdoch University, 90 South Street, Murdoch, WA6150, Australia

* Corresponding Author: Syed Sajid Ullah. Email: