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1

How to Sign Code with Your YubiKey NEO

This guide will show you how to set up your YubiKey NEO (or YubiKey NEO-n) to hold your signing certificate so you can sign your code. Also included are instructions on how to sign a Windows executable. Requirements You will need the following: Your signing certificate The PIV tool (command line interface) or the PIV Manager (graphical […]
4

How to Use Your YubiKey With the YubiKey for Windows Hello App

Congratulations, you have a YubiKey and you want to set up your YubiKey to unlock your Windows 10 system. Follow these easy instructions and you’ll be protected with the simplicity of YubiKey two-factor authentication in no time! Requirements Microsoft Windows 10 Home, Pro, or Enterprise edition Anniversary Edition (Version 1607 required with build 14393.321 or […]
5

How to Unpair your YubiKey and PIV Login from macOS Sierra

To unpair your PIV login from macOS Sierra (version 10.12), follow the procedures below. You can choose to delete all certificates that were installed on your YubiKey when you paired the device with macOS Sierra, or only the certificates that were added to be used for logging in to macOS Sierra. Also included are instructions […]
12

How to Use U2F YubiKeys with Salesforce (For Administrators)

These instructions provide a quick overview of the steps you, the Salesforce Administrator, need to take to set up U2F YubiKeys to work with Salesforce within your organization. This guide is intended for IT administrators. Prerequisites YubiKey 4, YubiKey 4 Nano, YubiKey 4C, YubiKey 4C Nano, YubiKey NEO, FIDO U2F Security Key Salesforce Winter 2017 […]
14

How to Use Your YubiKey with Gmail for Windows, Mac (OATH-TOTP)

Following are instructions so you can protect your Gmail account with YubiKeys that do not currently support U2F. It relies on a free application called the Yubico Authenticator (that works on Windows, Mac, or Linux operating systems) to generate time-based authentication codes. Required Shared OATH-TOTP secret from Gmail account settings YubiKey version 2.2 or later Microsoft […]
16

How to Use Your YubiKey with GitHub

Requirements Latest version of Google Chrome browser. GitHub account. U2F Security Key, YubiKey 4, YubiKey 4 Nano, YubiKey 4C, YubiKey NEO, or other Yubico U2F-certified YubiKey. One finger (the YubiKey button is a capacitive sensor not a biometric). How to Set Up Two-factor Authentication with GitHub Obtain a U2F YubiKey. In your GitHub account, set up two-factor authentication. If […]
22

Windows Software Engineer

Windows Software Engineer Seattle, WA or Palo Alto, CA Yubico’s mission is to create a safer internet for everyone. Our core invention, the YubiKey, secures logins for 9 of the top 10 internet brands, including Google and Facebook, and for millions of users in 160 countries. Collaboration and innovation are at the core of our culture, […]
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Knowledge Base

Welcome to the Yubico Knowledge Base. Our Knowledge Base contains how-to articles, guides, FAQs, product sheets and download links for all Yubico products.
25

Yubico at Oktane16: FIDO U2F YubiKey Support for Okta Adaptive MFA

PALO ALTO, CA, August 29, 2016 – Yubico, the leading provider of simple and open online identity protection, today announced the company’s participation and activities at Oktane16, August 29-31 in Las Vegas.  Yubico will be exhibiting YubiKey integration into Okta Adaptive Multi-Factor Authentication (MFA) and new FIDO Universal Second Factor (U2F) authentication functionality at booth […]
27

YubiHSM 1 Security Advisory

A security review has revealed two methods to decrypt AES-CCM encrypted data (so called AEADs) if an attacker has live (remote) access to an unlocked YubiHSM 1, under some valid configurations. The methods have not been documented and may be unexpected for those unfamiliar with how AES-CCM works. This document describes the two methods and […]
28

Yubico YubiHSM 1 Monitor Utility Manual

The Yubico YubiHSM 1 test monitor is a simple utility designed to allow you to quickly test and evaluate the YubiHSM 1 HSM mode functionality and concepts. The YubiHSM 1 Monitor Utility is a Microsoft Windows application. Date Published: May, 2012 Applies To: YubiHSM 1 Download: Yubico YubiHSM 1 Monitor Utility Manual
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OATH-HOTP: Yubico Best Practices Guide

Describes specific lessons learned and the best practices established for deploying Open Authentication Initiative HMAC-based One-Time Password (OATH-HOTP) compliant authentication systems. OATH-HOTP is a standard algorithm for calculating one-time passwords based on a secret (a seed value) and a counter. Date Published: February 2016 Applies To: All YubiKeys (except for FIDO U2F Security Keys) Download:  OATH-HOTP: […]
30

Configuring YubiKeys with Identical Credentials in Challenge-Response

This document covers the specific lessons learned and describes the best practices established for deploying Open Authentication Initiative HMAC-based One-Time Password (OATH-HOTP) compliant authentication systems. OATH-HOTP is a standard algorithm for calculating one-time passwords based on a secret (a seed value) and a counter. Date Published: June 2016 Applies To: All YubiKeys Download:  Configuring YubiKeys with […]
31

YubiKey VIP Unlock Guide

Describes how to use the YubiKey VIP with Symantec Validation and ID Protection (VIP) credentials. Note that the YubiKey VIP comes pre-programmed for the Symantec VIP credential in slot one. The Yubico OTP credential in slot 2 is dormant, and you can activate it using the YubiKey Personalization Tool. Date Published: July, 2016 Applies To: […]
32

YubiHSM 1 Drivers

Tools required to configure and set up the YubiHSM 1.x Hardware Security Module, as well as to monitor your YubiHSM 1.x using Microsoft Windows. YubiHSM.inf YubiHSM.cat MonHSM.exe
33

Salesforce.com

The YubiKey for Salesforce application leverages the one-time password (OTP) functionality of the YubiKey to add two-factor authentication (2FA) to user accounts. However, Salesforce now supports YubiKey FIDO Universal 2nd Factor (U2F) which is a more secure security protocol than OTP. Please note that this app is no longer supported by Yubico. It is recommended […]
34

Smart Card Drivers and Tools

NOTE: The smart card drivers and tools work on all Yubico devices except for the FIDO U2F Security Key. Use a YubiKey to login to Windows domain accounts for macOS accounts on Sierra and above instead of a username and Password. macOS Sierra and above Use the YubiKey PIV Manager to pair your YubiKey with […]
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Computer Logon Tools

Use these tools to log on to your Microsoft Windows (as a local user) or Mac OS X computers with a YubiKey. Microsoft Windows Logon Mac Operating System Logon (using Yubico-PAM)
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YubiKey Personalization Tools

Use the YubiKey Personalization Tool to configure the two slots on your YubiKey on Microsoft Windows, Mac (macOS and Mac OS X), and Linux operating systems. The tool works with any YubiKey (except the Security Key). You can also use the tool to check the type and firmware of a YubiKey, or to perform batch […]
37

YubiKey NEO Manager

Use the YubiKey NEO Manager to change the connection mode of your YubiKey NEO device. For example, older YubiKey NEO devices were not shipped with CCID mode enabled (required to manage apps on your device). This document describes how to use this tool. Note that all YubiKey NEOs shipped after November 2015 come preconfigured with […]
38

Yubico Authenticator

Use the Yubico Authenticator for Desktop on your Microsoft Windows, Mac, or Linux computers to generate OATH credentials on your YubiKeys. Use Yubico Authenticator for Android with YubiKey NEO devices and your Android phones that are NFC-enabled. (This tool works on all Yubico devices except for the FIDO U2F Security Key.) Yubico Authenticator for Desktop […]
40

Yubico Demonstrates the Simplicity of Security with YubiKey Authentication at Black Hat 2016

PALO ALTO, CA, August 3, 2016 – Yubico, the leading provider of simple and open online identity protection, today announced the company’s participation and activities at Black Hat 2016, August 3-4 in Las Vegas, NV. Yubico will be delivering a ‘Top 10 Must-See Black Hat 2016 Briefing’ at the conference, while demonstrating new YubiKey integrations, […]
42

YubiKey for Salesforce v2.3 Admin Guide

Please note that the app described in this document is no longer supported by Yubico. It is recommended that you use FIDO U2F for Salesforce instead. This document describes how to use the YubiKey for Salesforce app. The YubiKey for Salesforce application takes advantage of the Login Flows architecture to enable the YubiKey as a […]
43

Windows Login Tool & Configuration Guide

Provides instructions on how to configure YubiKeys to work with YubiKey Windows Login using the YubiKey Personalization Tool; best practices for implementing YubiKey Windows Login, such as creating multiple YubiKeys with the same secret key; protecting a configured YubiKey; setting up the YubiKey Windows Login application; testing your Windows login; and solutions to common issues. […]
44

CSIS Enrollment Station Guide

The CSIS Enrollment Station is a third-party tool that streamlines the enrollment and termination of PIV-enabled YubiKeys, allowing administrators to manage PIV-enabled YubiKeys in an enterprise environment with Microsoft Active Directory Certificate Services and certificate-based logins. Provides information about enabling users to enroll themselves using the CSIS Enrollment Station. Date Published: April, 2016 Applies To: YubiKey […]
46

YubiKey Smart Card Deployment Guide

Provides information about setting up your Microsoft Active Directory domain and Active Directory Certificate Services (ADCS) to enable certificate enrollment including enroll on behalf of and auto-enrollment for user login on Windows systems using the YubiKey as a smart card.  It also covers creation of a per device PIN Unlock Key (PUK) in the event […]
47

YubiKey Smart Card Quick Start Guide

This document provides an overview of the YubiKey smart card documentation and how to get started managing smart card-enabled YubiKeys. Included are links to the five documents describing how to deploy smart cards using the YubiKey tools. Date Published: October, 2017 Applies To: YubiKey 4, YubiKey 4 Nano, YubiKey 4C, YubiKey 4C Nano, YubiKey NEO, […]
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YubiHSM 1 User Manual

Describes how to configure and set up the YubiHSM 1 Hardware Security Module. Includes a description of HSM mode commands and usage. Date Published: April, 2015 Applies To: YubiHSM 1 Download: YubiHSM 1 User Manual
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YubiKey for YubiCloud Configuration Guide

Describes how to use the YubiKey Personalization Tool application to configure your YubiKey for Yubico OTP, and then upload the AES key to the Yubico validation server. You can then add your YubiKey to your supported service provider or application. When we ship the YubiKey, Configuration Slot 1 is already programmed for Yubico OTP and […]
51

YubiKey Mac Operating System Login Guide

Provides instructions on how to use the Yubico Pluggable Authentication Module (PAM) with Challenge-Response on Mac to enable a YubiKey to protect your Mac login. Requires Mac OS X 10.10 or later, or macOS 10.12 or later. Date Published: July, 2016 Applies To: YubiKey 4, YubiKey 4 Nano, YubiKey 4C, YubiKey NEO, YubiKey NEO-n, YubiKey Edge, […]
52

YubiKey PIV Manager User’s Guide

Use the YubiKey PIV Manager to establish an active connection to the Windows Certification Authority, set and change PINs and Personal Unlocking Keys (PUKs), request certificates from a Certification Authority, manage certificates, and reset the PIV applet. Date Published: April, 2016 Applies To: YubiKey 4, YubiKey 4 Nano, YubiKey 4C, YubiKey 4C Nano, YubiKey NEO, […]
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Most Commonly Asked Questions

Q: What are the differences in the two sizes of the YubiKey 4 (the keychain vs. the nano)? A: The keychain size (YubiKey 4/YubiKey 4C) is intended to be carried with you on… your keychain, along with your set keys. Insert it into a USB port when you are requested to authenticate, and you can […]
60

What browsers support U2F?

You must be running Google Chrome version 38 or later, or Opera version 40 or later. Both browsers include support for the U2F protocol. To check version numbers: For Google Chrome: In the Chrome toolbar, click the Chrome menu, then select About Google Chrome. For Opera: In the Opera toolbar, click Menu, then select About […]
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What is a FIDO U2F-enabled key and how do I get one?

Yubico has several different YubiKeys that support the FIDO Alliance U2F protocol: FIDO U2F Security Key, YubiKey 4, YubiKey 4 Nano, YubiKey 4C, YubiKey NEO, and more. The FIDO U2F Security Key supports only the FIDO U2F protocol. (View all of the U2F-enabled YubiKeys on our comparison page.) The keys are available from Amazon and […]
73

Can I use more than one YubiKey with my user account, or use one YubiKey with multiple user accounts?

Yes, beginning with YubiKey for Salesforce version 2.3, you can associate multiple YubiKeys with your Salesforce user account. You can also associate multiple user accounts with a single YubiKey. Please note that the YubiKey for Salesforce app is no longer supported by Yubico. It is recommended that you use FIDO U2F for Salesforce instead.
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What is the YubiHSM 1?

The YubiHSM 1 is special purpose HSM to protect encryption keys and OTP seeds for the Yubico Validation Server with great security, great quality , and a low cost of ownership. It does not provide all the physical security of other HSMs — but protects your secrets from internet intrusion, such as someone gaining root […]
91

What happens if I lose my YubiKey?

If you are using your YubiKey with a service or application, the policy for lost or stolen YubiKeys depends on how that service or application deals with the situation. The simplest recovery method is if the site supports alternative authentication mechanisms, so that you can regain access to the account and can delete (de-associate) the […]
93

Where are Yubico’s YubiCloud servers located?

Yubico currently has five YubiCloud OTP validation servers. They are located around the world, distributed and synchronized to ensure that there is no single point of failure. For more information, see the YubiCloud Validation Service Guide.
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Why does the YubiKey act as a keyboard?

To allow the YubiKey to be compatible across multiple hardware platforms and operating systems, the YubiKey appears as a USB keyboard to the operating system. This design provides several advantages including: Virtually all mainstream operating systems have built-in USB keyboard support. Since the YubiKey uses generic keyboard drivers, there are no special drivers that need […]