State authentication and verification methods/technology

Authentication is a process where users verify their identity. Authentication deals with the problem of determining whether a user should be allowed access to a particular system.

METHODS OF AUTHENTICATION

Biometric device is a device that translates personal characteristics into a digital code that is compared with a digital code stored in the database.

Callback system refers to the checking system that authenticates the user

Verification is the act of proving or disproving the correctness of a system with respect to a certain formal specification

METHODS OF VERIFICATION

2 methods :

User identification refers to the process of validating the user.

Processed object refers to something the user has such as identification card, security token and cell phone