Idem Key User Guide

Idem Key is a revolutionary product solving user identity and 2nd-factor authentication (2FA) across mobile devices and workplaces. It possesses a number of attractive features listed below: 

  • FIDO 2 authenticator on Windows, macOS, Linux, Chromebook, and Android can be used with all FIDO-enabled services, such as Google, Microsoft, GitHub, Dropbox, Facebook, Box and many more. 

  • Idem Key enables user presence operations by Touch. 

  • Idem Key is design as a standard USB Type-A form factor. 

  • Designed for tamper-resistant and water-resistant to secure your authentication data. 

Supported Operation System

Idem Key supports following operating systems:  

  • Windows 10 Version 1903 or later​ 

  • macOS 10.13 or later​ 

  • Android 7 or later 

  • Linux (with UDEV library higher than 188) 

  • ChromeOS 


To use Idem Key on Linux, an additional configuration is required. You can refer to the chapter “Use Idem Key with Linux” of Idem Key User Guide. 

Supported Browsers 

Idem Key supports all FIDO-enabled browsers such as Chrome, Edge, Firefox, and Safari. Please make sure that the browser you’re using is up to date. Although most browsers support FIDO2, not every web service supports FIDO2-enabled browsers. We recommend using Chrome with Idem Key to get the best user experience.


Use Idem Key with Web Services 

FIDO2 WebAuthn API is already supported by the browsers such as Chrome, Firefox, Edge, and Safari. There’re web apps that can use Idem Key as FIDO2 authenticator over USB interface. You will be directed to the selected application’s site to see the instruction. 

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Use Idem Key with Linux  

To make Idem Key work on Linux, you need to add a UDEV configuration file.  

  1. Create a file under directory “/etc/udev/rules.d/” and name it as “70-u2f.rules”.

  2. Add content as the text shown at below into the file “70-u2f.rules”. If the file already exists previously, make sure the content below is included.


  3. Reboot system.

  4. Make sure Chrome version is up to date and you will be able to use Idem Key as FIDO security key.


Top 5 FAQs

Can I use Idem Key for Windows login?

Idem Key can be used for Azure AD managed Windows 10 devices. If your computer is not managed by a corporate Azure AD, you cannot use Idem Key to login Windows. To get more information, please contact

Is Idem Key secure?

Yes. Idem Key is very secure. Idem Key embeds a secure element which is certified by Common Criteria EAL5+ and FIPS 140-2 Level 3. All cryptographic are handled inside the secure element and keys are stored in the secure element. Besides, Idem Key itself also certified by FIDO2 security level 1.

Why my Android mobile cannot find Idem Key by NFC?

Please ensure that you put Idem Key at right place of NFC antenna on your Android phone. You can download the NFC app from Google Play such as “NFC TagInfo” to scan Idem Key and check the right location of NFC antenna.

How do I sign in my web account if I lose Idem Key?

We recommend using at least 2 Idem Keys to register your web account as backup. Besides, most web services provide alternative 2-factor sign in options such as recovery codes or one-time codes.

How many web services can use Idem Key?

All FIDO security key enabled web services can use Idem Key such as Google, Microsoft, GitHub, Dropbox, Facebook, Box and many more.