User authentication verifies the identity of a user before granting access to sensitive information or systems. What are some common authentication methods? There are many ways to authenticate a user, and each platform has different methods that they use. You may see an error "System in Setup Mode, Secure Boot can be enabled when system in User mode. Repeat operation after enrolling Platform Key (PK)" while en... Use simple, fast, and highly secure two-factor authentication across all your apps and accounts. See Changing your two-factor authentication method. Configuring two-factor authentication using a TOTP app. A time-based one-time password (TOTP) application automatically generates an authentication code that changes after a certain period of time. Understanding the Authentication Flow. It involves a series of coordinated steps designed to ensure safety while maintaining a smooth user experience. Provides backend services, easy-to-use SDKs, and ready-made UI libraries to authenticate users to your app. Get started View docs arrow_forward. Easy sign-in with any platform. Public key authentication with SSH (Secure Shell) is a method in which you generate and store on your computer a pair of cryptographic keys and then configure your server to recognize and accept your keys.