Web Authentication for Your Website: Do You Really Need It?


The protection of private data is the most pressing issue for website owners and users. Web site authentication systems are becoming increasingly popular, especially for web resources that use the personal data of their users for authentication. Multi-Programming Solutions offers to learn more about popular user authentication systems – in particular, web fingerprint and Touch ID – and the specifics of their application.

Table of Contents

What Is Web API Authentication?

How Touch ID for Websites Works

Specifics of Using WebAuthn Login for Browsers

Which Websites Implement WebAuthn

Does Your Website Need Biometric Authentication?

Contact Us for WebAuthn Implementation

WebAuthn has recently become quite popular among the owners of online resources. It is a standardized specification based on public key cryptography. The specification is based on:

The most popular authenticators are Windows Hello and Apple Touch ID for websites.

To be precise, Touch ID is the name of the fingerprinting web sensor that is used in many user devices, websites and applications, as well as browsers. Let’s take a closer look at how it operates.

WebAuthn Registration Flow


To authorize a user, Apple touch ID uses a snapshot of the user's fingerprint, which is securely enclaved within the processor. The sensor itself is triggered by the "Home" button, on which the so-called recognition ring is located. When you press the button, the sensor reads the fingerprint image, compares it with what is stored in the security enclave and gives access permission. According to the developers, the sensors are activated by capacitive touch and are able to work at different pressure angles, which makes it possible to improve performance with each new use.

Along with the fingerprint sensors of the device, Face ID technology is often used. To create a user credential account, a structural face map is used, which is compared with the registered data when the camera is pointed at the face. This technology is used in almost all Apple devices - from Macbook Pro to iPhone and iPad Pro.

The WebAuthn specification is becoming increasingly popular, and the question of “Can touch ID be used in the browser?” can only be answered with an unequivocal yes. The specification is already available on the following browsers:

The Safari WebAuthn specification is currently available in test mode for iOS device users. Touch ID Windows users can already use the specification to protect their data.

The specification has no restrictions for use – it can be implemented into different websites and platforms. It will provide a higher level of security for users if you let users log in to a website with touch ID. The cryptographic data used for authentication will be unique for each user, and you do not need to use a server to store it, which protects it from intruders.

In order for the touch ID support for browser to work correctly, first you need to make sure that your browser supports the FIDO2 specification, of which WebAuthn is a part, update it and make changes to the settings. After that, you can easily log into the websites of interest using your fingerprint.

There are no restrictions on using the fingerprint authentication website login – it can be used for any kind of online resources. The effectiveness of biometric authentication has already been confirmed by:

Quite popular is also the progressive web app touch ID, which can be used in the work of progressive web applications.

Convert Your Traditional Web App Into a Progressive Web App

Using touch ID in web app provides many advantages, including:

  • higher level of protection of users’ personal data;
  • convenience – no need to memorize numerous passwords for different platforms;
  • versatility – in the future, biometric authentication will be available on all websites and browsers without restrictions, which will expand the scope of its use.

Before you decide to implement WebAuthn into your website, make sure you are aware of the shortcomings in its work. In some cases, touch ID website login may not work correctly – for example, sensors may not recognize the user or show only partial matches. To eliminate these errors, developers are required to make the necessary updates to the specification.

The prospects for using WebAuthn are such that the question of what sites on the web will allow touch ID will stop arising over time – it will be everywhere. Therefore, you would benefit from starting to implement the specification to ensure maximum protection of your users’ data.

Since the question “Is touch ID available for web apps?” is gradually losing its relevance, Multi-Programming Solutions offers comprehensive services for implementing WebAuthn into websites and applications. Our developers are able to take on tasks of varying complexity. All you need is to contact us, tell us your requirements, and get the finished product.


TechnologiesJanuary 27, 2022
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