YubiKey FIPS Overview

The YubiKey FIPS Series are hardware authentication devices manufactured by Yubico which supports one-time passwords, public-key encryption and authentication, and the Universal 2nd Factor (U2F) protocols developed by the FIDO Alliance, with Yubico as a primary contributor and thought leader.

The cryptographic functionality of the YubiKey FIPS Series devices are powered by the FIPS 140-2 certified YubiKey 4 cryptographic module, a single-chip cryptographic processor with a non-extractable key store that handles all of the cryptographic operations. The YubiKey 4 cryptographic module is FIPS 140-2 certified (Overall Level 2, Physical Security Level 3).

YubiKey FIPS Series devices are laser-etched with a “FIPS” marking above the device serial number on the device.

The Yubikey 4 cryptographic module is a secure element that supports multiple protocols designed to be embedded in USB security tokens. The module can generate, store, and perform cryptographic operations for sensitive data and can be utilized via an external touch-button for Test of User Presence in addition to PIN for smart card authentication.The module implements five major functions - Yubico One Time Password (OTP), FIDO Universal 2nd Factor (U2F), PIV-compatible smart card, OpenPGP smart card and OATH OTP authentication.

YubiKey 4 Cryptographic Module, FIPS 140-2 Certificate #: 3204 
https://csrc.nist.gov/Projects/Cryptographic-Module-Validation-Program/Certificate/3204

Product NameDescription
YubiKey FIPSKeychain form factor with USB - A connector
YubiKey Nano FIPSNano form factor with USB - A connector
YubiKey C FIPSKeychain form factor with USB - C connector
YubiKey C Nano FIPSNano form factor with USB - C connector

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