YubiKey 4 (keychain)

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Simply insert into a USB slot and authenticate with a touch.  YubiKey authentication is four times faster than typing a One Time Passcode and does not require a battery nor network connectivity so it is always on and accessible.

The YubiKey – 4 Series comes in four form factors. Each option includes the same internal components, functionality, and capabilities.

Keychain – For your keychain Nano – Leave in your USB port
  • YubiKey 4 – USB-A
  • YubiKey 4C – USB-C
  • YubiKey 4 Nano – USB-A
  • YubiKey 4C Nano – USB-C


  • Strong two-factor hardware based authentication
  • Easy and fast authentication with a single touch
  • Reduces IT operational costs
  • Multiprotocol support on a single key
  • Crush-resistant and waterproof
  • Choice of USB-A and USB-C form factors
  • Made in the USA & Sweden


  • Supported protocols: FIDO U2F, smart card (PIV), Yubico OTP, OpenPGP, OATH-TOTP, OATH-HOTP, and Challenge-Response
  • Secure element hardware to protect cryptographic keys
  • Crypto Algorithms: RSA 2048, ECC p256, ECC p384
  • Interface:  USB-A and USB-C
  • Works on Microsoft Windows, Mac OS X, Linux, Chrome OS operating systems, and on major browsers
  • Now works with Twitter
  • PIV smart card compatible, minidriver available on Windows
  • Support for PKCS#1


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