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 WebAuthn.io you can check various high-level functionalities, while webautn.bin.coffee provides good developer level details (technical) details. You can also test your Nitrokey.
- Q: Where is the right spot for NFC on my smartphone?
Use nfc.fail 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: Why does the Nitrokey 3 not show up in GnuPG
Make sure to install a firmware more recent than version 1.4.0. For more information, see the firmware-update page for your operating system.
- Q: Why does the Nitrokey 3 not show up in Nitrokey App?
Nitrokey 3 does only show up and can be managed in “nitropy” and “Nitrokey App 2, not in Nitrokey App 1”.
- Q: Which algorithms and maximum key length are supported?
See the following table:
Start |
Pro + Storage |
Pro 2 + Storage 2 |
Nitrokey 3 |
HSM |
HSM 2 |
|
rsa1024 |
✓ |
✓ |
✓ |
✓ |
||
rsa2048 |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
rsa3072 |
✓ |
✓ |
✓ |
✓ |
||
rsa4096 |
✓ |
✓ |
✓ |
✓ |
||
curve25519 |
✓ |
✓ |
||||
NIST-P 192 |
✓ |
|||||
NIST-P 256 |
✓ |
✓ |
✓ |
✓ |
||
NIST-P 384-521 |
✓ |
✓ |
||||
Brainpool 192 |
✓ |
✓ |
||||
Brainpool 256-320 |
✓ |
✓ |
✓ |
|||
Brainpool 384-521 |
✓ |
✓ |
||||
secp192 |
✓ |
✓ |
||||
secp256 |
✓ |
✓ |
✓ |
|||
secp521 |
✓ |
- Q: How can I set the PIN for my Nitrokey 3?
The Nitrokey 3 has distinct PINs for each feature. Please refer to the chapter of your respective operating system (Linux, Mac OS, Windows).
- 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”).
- Q: How to use Nitrokey 3 with Azure Entra ID (Active Directory)?
After disabling Enforce Attestation Nitrokey 3 is supported by Azure Entra ID out of the box.