Nitrokey 3 FAQ

Q: Which Operating Systems are supported?

Windows, Linux and macOS. Also some support for Android and iOS.

Q: What can I use the Nitrokey for?

See the frontpage for an overview of supported use cases.

Q: How can I check if my Nitrokey 3 is working?

On you can check various high-level functionalities, while provides good developer level details (technical) details.

Q: Where is the right spot for NFC on my smartphone?

Use to find the right spot!

Q: What happens if I lose my device?

When securing accounts using FIDO (two-factor authentication and passwordless login), you should configure another factor in your account as a backup. Depending on the service this backup factor can be a phone number, an app or even a second Nitrokey FIDO2. If you lose a device, you can still log in with the second Nitrokey (or with another second factor).

Q: How large is the storage capacity?

The Nitrokey 3 doesn’t contain storage capability for ordinary data (it can only store cryptographic keys and certificates).

Q: When will the OpenPGP card firmware be available?

This is very hard to predict at this point. We are aiming for mid of 2022, but this is a very rough estimation with lots of uncertainties.

Q: Why does the Nitrokey 3 not show up in GnuPG/Nitrokey App/nitropy?

Currently the Nitrokey 3 does only show up and can be managed in nitropy. Nitrokey App and GnuPG will likely be only available once the firware update is available for the OpenPGP card.

Q: How can I set the PIN for my Nitrokey 3?

You can configure and do basic settings for your Nitrokey 3 using Chrome(ium) just visit: chrome://settings/securityKeys (clicking the link will not work for security reasons, please copy&paste it)

Q: Is the Nitrokey 3 Common Criteria or FIPS certified?

The secure element is Common Criteria EAL 6+ security certification up to OS level (See here, click “ICs, Smart Cards and Smart Card-Related Devices and Systems” and search for: “NXP JCOP 4 SE050M”).