Protect Efficient Password-based Threshold Single-Sign-on Authentication for Mobile and Desktop Environment against Perpetual Leakage

This work introduces Protect, a novel password-based threshold single-sign-on (SSO) authentication system for mobile and desktop environments, designed to resist perpetual leakage attacks. Unlike traditional authentication methods, Protect combines threshold cryptography with user-friendly password management, enabling a secure and convenient SSO experience across multiple services. By distributing authentication credentials across several devices, it ensures that compromising one device does not endanger the overall security. The result analysis shows that Protect not only offers robust protection against various attacks, including perpetual leakage, but also enhances usability by eliminating the need for multiple passwords. Through performance evaluations, this study confirm that Protect maintains efficiency and user satisfaction in both mobile and desktop contexts.