FIDO U2F TokensSoftware Development Kit for FIDO Authentication

FIDO U2F Authentication SDK and Management System.

Protect access to your website or web application by enabling login using FIDO U2F Security Keys. Protect logins against hackers, malware and keyloggers by deploying secure two-factor authentication.

You can provide your users with a simple and secure mechanism for logging in to your website or web application using FIDO tokens which are also supported by Google, Dropbox and Github to name a few.

SmartSign includes an authentication server, SDK, management system and comprehensive documentation.

Get started with SmartSign today. It's free!


Other Authentication Methods

Smartphone mobile soft-token 2-factor authentication


Smartphone and tablet based two-factor authentication. Simple, convenient and secure.

One time password OATH OTP HOTP TOTP hardware token support


SmartSign supports OATH One Time Password (OTP) hardware tokens, both event-based and time-based.

Email-based One Time Password (OTP) 2-factor authentication

Email-Based OTP

Instantly deploy strong authentication using email OTP delivery. Tokenless authentication on the move.