| YubiKey FIPS | YubiKey Nano FIPS | YubiKey C FIPS | YubiKey C Nano FIPS | |
|---|---|---|---|---|
| Availability |  |  |  |  |
| USB authentication key, including strong crypto and touch-to-sign, plus One-Time-Password, smart card, and four form factors | ||||
| Size | YubiKey FIPS | YubiKey Nano FIPS | YubiKey C FIPS | YubiKey C Nano FIPS |
| 18mm x 45mm x 3.3mm, 3g | 12mm x 13mm x 3.1mm, 1g | 12.5mm x 29.5mm x 5mm, 2g | 12mm x 10.1mm x 7mm, 1g | |
| YubiKey Tools | YubiKey FIPS | YubiKey Nano FIPS | YubiKey C FIPS | YubiKey C Nano FIPS |
| YubiKey Manager | ||||
| Yubico Authenticator | ||||
| Personalization Tool | ||||
| Functions | YubiKey FIPS | YubiKey Nano FIPS | YubiKey C FIPS | YubiKey C Nano FIPS |
| Secure static passwords | ||||
| Yubico OTP | ||||
| OATH – HOTP (Event) | ||||
| OATH – TOTP (Time) | ||||
| Smart card (PIV-Compatible) | ||||
| OpenPGP | ||||
| FIDO U2F (Universal Second Factor) | ||||
| FIDO2 | ||||
| Secure element | ||||
| Top Applications | YubiKey FIPS | YubiKey Nano FIPS | YubiKey C FIPS | YubiKey C Nano FIPS |
| Google Accounts | ||||
| Facebook Accounts | ||||
| GitHub | ||||
| Dropbox | ||||
| Salesforce | ||||
| LastPass Premium password manager | ||||
| Dashlane Premium password manager | ||||
| Many more applications | ||||
| Certifications | YubiKey FIPS | YubiKey Nano FIPS | YubiKey C FIPS | YubiKey C Nano FIPS |
| FIDO U2F Certification™ | ||||
| FIPS 140-2 Certification | ||||
| Communications Support | YubiKey FIPS | YubiKey Nano FIPS | YubiKey C FIPS | YubiKey C Nano FIPS |
| USB-A | ||||
| USB-C | ||||
| NFC (Near Field Communication) | ||||
| Device Type | YubiKey FIPS | YubiKey Nano FIPS | YubiKey C FIPS | YubiKey C Nano FIPS |
| HID Keyboard | ||||
| CCID Smart Card | ||||
| FIDO HID | ||||
| Cryptographic Specifications | YubiKey FIPS | YubiKey Nano FIPS | YubiKey C FIPS | YubiKey C Nano FIPS |
| RSA 2048 | ||||
| RSA 4096 (PGP) | ||||
| ECC p256 | ||||
| ECC p384 | ||||
+971 4 7017 260
