Yubikey NEO

YubiKey NEO

YubiKey is an authentication device capable of generating One Time Passwords (OTPs). The YubiKey connects to a USB port and identifies itself as a standard USB HID keyboard, which allows it to be used in most computer environments using the system’s native drivers.

Its available for around € 50.00 from yubico’s website

It provides the following services or apps:

  • Two configuration slots activated either by a short or long button-press, each can be programmed to be used in the following modes of operation:

    • Yubico OTP


    • Static Password

    • Challenge-Response, using

      • Yubico OTP (online with Yubico auth servers)

      • HMAC-SHA1 (offline, standalone)

  • U2F

  • OpenPGP

  • SmartCard (or PIV, Personal Identity Information) with four slots to use, each holding a RSA or ECC private key, a certificate and are secured by a PIN:

    • Authentication of card and cardholder before online services

    • Digital Signature of documents, files or executables

    • Email and file encryption

    • Authentication before door locks or other physical devices (without PIN)

  • AES Mode?

We will use the device with the following services:

  • Password Management (KeePassX using static password)

  • Full disk encryption on Ubuntu Linux Desktop

  • Ubuntu Linux Desktop login (via U2F PAM module)

  • SSH server authentication on our servers (via U2F PAM module)

  • SSH server authentication other servers (OpenPGP SSH-Agent)

  • OpenPGP for signing and encryption of files and messages (as OpenPGP card with Enigmail)

  • S/Mime mail signing and encryption (as SmartCard)

  • SSL/TLS browser client login on web servers (as SmartCard)

  • SSL/TLS Certifcate Management (as SmartCard with XCA, OpenSSL)

  • ownCloud user login (TOTP TwoFactor App for OwnCloud 9.1)

  • WordPress user login (with U2F)

  • Prosody XMPP server login (via PAM Challenge-Response)

  • Bitcoin Wallet (?)

  • Various WebServices (Yubico Authenticator)

    • Google Services

    • Cloud Servers (Digital Ocean, AmazonWS)

    • CDN (Cloudflare)

    • Code Repository (GitHub)

    • NAS Devices (Synology DiskStation)

    • Domain Registration (GandiNet)

    • Mail Providers (mailbox.org)


  • Havegd

  • Gnupg 2.0


Yubico provides a software package repository on Launchpad:

$ sudo add-apt-repository ppa:yubico/stable
$ sudo apt-get update

The following Linux Software packages are provided:

  • YubiKey NEO Manager (to set which operation-modes are active on connection);

  • YubiKey Personalization Tool (used to program the two configuration slots in your YubiKey);

  • YubiKey PIV Manager (to configure private keys and certificates on the PIV smartcard in your YubiKey)

  • Yubico Authenticator for Linux (manages your TOTP and HOTP one time passwords);

  • Yubico PAM module (to use your Yubikey for Login on your Linux Desktop or Server)

YubiKey Software

We don’t need YubiKey NEO Manager, since November 2015 YubiKeys are shipped with all modes of operations alreeady already enabled by default.

$ sudo apt-get install yubikey-personalization-gui