Patent attributes
A delegated biometric authentication system and related methods are disclosed. Using the system, a user can securely delegate biometric authentication to a public device from his communication device. This public device may be an Internet of things device that is not owned by the user, such as a computer, smart TV, tablet, etc. The public device may operate in a public place, such as a hotel or library. The communication device may be the user's own smartphone or tablet, etc. A fuzzy vault process can be used to store the user's biometric template in the system Embodiments preserver the user's privacy without compromising authentication security and user convenience.