Select Change a Password from the options. The YubiKey 5C FIPS has five distinct applications, which are all independent of each other and can be used simultaneously. Download and run YubiKey for Windows Hello from the Store. Update a CVE Record. The private key will remain on the card forever. 6 Enabled USB interfaces: OTP, FIDO, CCID NFC transport is enabled. Generally, we recommend you let KeePassXC generate a dedicated key file for you. Experience stronger security for online accounts by adding a layer of security beyond passwords. To use the YubiKey as a Smart Card on iOS feature as shown in the demo, you must have the following (all prerequisites are discussed in the Yubico guide here ): Apple iPhone or iPad (Lightning connector only) with iOS/iPadOS 14. 0 v1. We at Yubico always recommend having more than one YubiKey. 0 to 4. Locate the section labelled Configuration Slot and select Configuration Slot 2 7. Since the Yubikey NEO can be used as an OpenPGP card (see here) with three 2048 bit RSA keys, I thought about creating a CA from one of its public keys. Secure Shell (SSH) is often used to access remote systems. The firmware version on a YubiKey or an HSM therefore determines whether or not a feature or a capability is available to that device. This applet is not configurable and cannot be reset. 1. Years in operation: 2012-2018. The tool works with any currently supported YubiKey. Right click the entry and select Update driver. The Configuring User page appears as shown below. Unsolicited bulk mail or bulk advertising. The Feitian ePass key is a great option if you want an affordable security solution. Select the location where to save the key file, make sure the path to the new file is inserted into the Key File field, and save your database. Tom. 0 The text was updated successfully, but. Note. Note: Some software such as GPG can lock the CCID USB interface, preventing another software from accessing applications that use that mode. Don’t automatically select the U2F applet on YubiKey NEO, it might be blocked by the OS ChalResp: Always pad challenge correctly. Yubico issues this Security Advisory to customers, offering mitigation recommendations and a key replacement program for affected customers. Read a One-Time Password (OTP) from a YubiKey NEO over NFC, and copy it to the. However, with the introduction of the YubiKey NEO, Yubico will withdraw the RFiD YubiKey. Why? I know one of the firmware updates addressed an interesting security aspect that appeared to be over-looked during the design. Interface. Note: Some software such as GPG can lock the CCID USB interface, preventing another software from accessing applications that use that mode. 6). The past two years the. Note: Some software such as GPG can lock the CCID USB interface, preventing another software from accessing applications that use that mode. Once the user has logged into his account, he can change the PIN of a YubiKey connected to his system as follows: Use Ctrl+Alt+Del to enter the lock screen. As an alternative (using a YubiKey for either of these), you can use Azure AD + FIDO2 for auth on those corporate machines or you use smart card based authentication where you spin up a CA and whatnot. Strong hardware-based security ensures the highest bar for protection of sensitive information and data. Authenticate using a YubiKey as an OATH-TOTP token. config/Yubico/u2f_keys. Spare YubiKeys. Hardware-based two-factor authentication has finally made its way to iOS with the release today of an SDK from Yubico that allows developers to integrate support for the YubiKey NEO into their iPhone apps. Sales. 3. com is your source for top-rated secure two-factor authentication security keys and HSMs. Following last November’s announced public preview of Azure AD Certificate-based authentication (CBA) on iOS and Android devices using certificates on hardware security keys, we’re excited to share that it is now generally available for everyone! Be sure to check out Microsoft’s blog post detailing the general availability here for more. AdminToken programTo generate a new pair of public / private SSH keys: - run gpg --card-edit. Has ProducId 0x110, 0x111 or 0x112 depending on mode (see the notes about -m and device_config). government. Mobile SDKs Desktop SDK. The YubiKey NEO is NOT affected. The purpose of the PIN is to unlock the Security Key so it can perform its role. Programming the YubiKey in "Challenge-Response" mode. Version 6. The on-card OpenPGP software of the YubiKey NEO is implemented by the free and open-source software (FOSS) project "ykneo. This project implement the OpenPGP card functionality used on the YubiKey NEO device. And a full range of form factors allows users to secure online accounts on all of the. Shipping and Billing Information. 2 to support Yubikey Neo firmware 3. Initial YubiKey Troubleshooting. 16. It provides an easy way to perform the most common configuration tasks on a YubiKey, such as: Bugfix: Show firmware version for YubiKey NEO correctly Windows: Show correct version number in . GIT commit signing. Testing the challenge-response functionality of a YubiKey. Linux: The Terminal command lsusb should produce output including Yubico. Enable two-factor authentication for your service. ykman fido access change-pin [OPTIONS] ykman fido access unlock [OPTIONS] (Deprecated) ykman fido access verify-pin [OPTIONS] ykman fido credentials [OPTIONS] COMMAND [ARGS]…. 2. Programming the YubiKey in "OATH-HOTP" mode. If you don’t have your YubiKey, it will give the following prompt: Security token not present for unlocking volume root (nvme0n1p3_crypt), please plug it in. This new firmware release will enable easier integration with Credential Management System (CMS) solutions, secure remote provisioning of YubiKeys, and expanded methods for PIV management. If you have an older YubiKey you can. 8 Device status LED 7. v1. There is usually a chip in the smartphone that can communicate with software on the device while receiving signals from an external device (in this case, the YubiKey NEO). All you have to do is create and remember a single “Master Password” of your choice in order to unlock and access your entire user name/password list. Yubico protects you. PGP and SSH keys on a Yubikey NEO. To configure a static password using YubiKey Manager, you'll need to first download the application. YubiKey NEO. The YubiKey Manager has both a. By offering the first set of multi-protocol security keys supporting. Yubico has started shipping the YubiKey 5 Series with firmware 5. Game where you must survive in the wasteland. To authenticate with a FIDO U2F certified YubiKey NEO, the user simply plugs it in and touches the gold button, or taps it against an NFC-enabled Android phone. This means that LastPass users with an iPhone 7 or above, running iOS 11, can now authenticate to their LastPass Premium, Families, Teams, or Enterprise accounts on their mobile device with the same. USB type: USB-C and Lightning. This includes: Infineon SLE 78CLUFX5000P01. YubiKey 5 FIPS Series Specifics. Double-click the entry to edit its value and in the Edit String Value box that appears enter the value as 1. Yubico protects you. Support for OpenPGP was added in firmware version 5. 3. This combination of all these factors (pun intended) leads me to believe we have our. これは、 ワンタイムパスワード 、 公開鍵暗号 、認証、 FIDOアライアンス が. YubiKey Manager. Click Yes when prompted. Download and install YubiKey Manager. Software. exe -t ecdsa-sk -C "username-$ ( (Get-Date). I have a Yubikey Neo and the nfc. Configure your key(s) The Yubico guide creates the configuration in your home directory, but if your home directory is encrypted, you will be unable to access that on a reboot. Add support for. Don’t automatically select the U2F applet on YubiKey NEO, it might be blocked by the OS ChalResp: Always pad challenge correctly. Mit dem YubiKey NEO (das ist ein anderer Stick als der, um den es hier in dieser Rezension geht) könnte ich - nach meinem Kenntnisstand - auch meine KeePass-Datenbank absichern, was für mich ein erheblicher zusätzlicher Mehrwert wäre. Next, check whether your YubiKey's U2F interface is unlocked. Hello. Choose Next to continue. The YubiKey 5 NFC USB is made to protect your online accounts from phishing and account takeovers. 4. Was this article helpful?Buy YubiKey 5, Security Key with FIDO2 & U2F, and YubiHSM 2. com is the source for top-rated secure element two factor authentication security keys and HSMs. Solutions. Note: Yubico Login for Windows secures Windows 10 and 11 if not managed by AAD or AD. Installation. The YubiKey Bio Series is available for purchase on yubico. Get authentication seamlessly across all major desktop and mobile platforms. Programming the YubiKey in "Static Password" mode. 6 MB in size. a NEO), enable NFC support in the device settingsAt this point, we are done. OATH: FIPS 140-2 with YubiKey 5 FIPS Series. A YubiKey can have up to three PINs - one for its FIDO2 function, one for PIV (smart card), and one for OpenPGP. You’ll find my journey to get the smartcard interface working with ssh on a fedora 22 system below; With regards to the YubiKey Standard and DFU… – The firmware is in non-alterable ROM and hence cannot be updated. Important. serial-btn-visible: The YubiKey will emit its serial number if the button is pressed during power-up. EXTFLAG_ALLOW_UPDATE will be set by default -1 change the first configuration. edit4: The other reply paints the picture more succinctly: the current YubiKey is not even universally supported. Note. serial-btn-visible: The YubiKey will emit its serial number if the button is pressed during power-up. $ ssh-keygen -t ed25519-sk # YubiKey firmware version 5. To extract the public key, run: ssh-add -L > my-public-key. But yeah, it is for sure not the end of the fight 😉 Americans spent over 200 billion dollars online during the 2022 holiday shopping season, making 2023 a record year for online retailers. More importantly, your backup and recovery process must be secure and should not diminish the overall security in place. Configuring User. Perform a challenge-response operation. According to a Yubico security advisory published today, YubiKey FIPS Series devices that run firmware version 4. Secure your accounts and protect your data with the Yubico Authenticator App. The YubiKey 4 has five distinct applications, which are all independent of each other and can be used simultaneously. The recommended way to install this software including dependencies is by using the provided precompiled binaries for your platform. Examples. It includes FIDO U2F, One-Time Password, and smart card functionality. Determine which OTP slot you'd like to configure and click the Configure button for that slot. The Yubikey 4 has multiple factors, being the Nano and the Yubikey 4 itself. 8 or later; use lsusb -v to find out. The YubiKey NEO, for example, cannot be upgraded at all, even though it is based on an open firmware. via YubiKey (any 4/5 series device or YubiKey NEO/NFC) Click here. Download the Yubico Authenticator App. The Information window appears. But yeah, it is for sure not the end of the fight 😉Follow the steps in my previous answer, except replace step 1 with the below: 1. 4. exe are the common file names to indicate the YubiKey NEO Manager installer. But passkeys aren’t a new thing. Local system authentication uses Pluggable Authentication Modules (PAM). 1-win32. The YubiKey Technical Manual / covers the following Yubico product series: YubiKey 5 Series; YubiKey 5 FIPS Series; YubiKey 5 CSPN Series; YubiKey Bio Series; Security Key Series;. Select User Accounts. Insert the YubiKey into the USB port if it is not already plugged in. Enter the GPG command: gpg --edit-key 1234ABC (where 1234ABC is the key ID of your key) Enter the command: keytocard. Why customers opt for YubiEnterprise Subscription. v1. Interface. Open Command Prompt (Windows) or. Right-click this certificate, select All Tasks, and then choose Export. You might need to scroll horizontally to see the entire command. 7 Contact-less mode (NFC) of operation 7. The YubiKey will wait for the user to press the key (within 15 seconds) before answering the challenge. Yubikey 1. Compatible hardware: As listed on the YubiKey website, following products support PGP: YubiKey 4, YubiKey NEO, YubiKey 4 Nano, YubiKey NEO-n, YubiKey 5 NFC (this is what I’m using at the moment), YubiKey 5 Nano, YubiKey 4C, YubiKey 4C Nano, YubiKey 5C,. 5g), which is slightly less than its USB-C sibling, the $85 YubiKey C Bio. After using daily a Yubikey Neo for a few years (mostly for unlocking my LastPass account on my work-issued laptop and decrypting gpg files) I broke down and bought a 5c (mostly as an insurance against disappearing USB A ports and to use FIDO2). YubiKey Bio Series; YubiKey 5 CSPN Series; What’s New? YubiKey 5Ci; NFC; USB; Firmware: Overview of Features & Capabilities. Supported functionality as reported by the ykman tool: . With the YubiKey product finder quiz, you will find the solution that fits your unique needs. 6g . YubiKey 5 NFC ($45) supports all the functions of the Security Key NFC ($27) and a bit more. Security Key Series. But it is not possible to get back your old yubikey prefix if you decide to re-program your YubiKey. Help is available in the PC program for the setup. The Yubico PAM module provides an easy way to integrate the YubiKey into your existing user authentication infrastructure. Performs RSA or ECC sign/decrypt operations using a private key stored on the smart card, through common. Yubico Authenticator. Connecting multiple keys at once is supported, but only if CCID mode is active for all of them. 0 interface. If you have a YubiKey NEO or YubiKey NEO-n ensure you have unlocked the U2F mode by following the instructions in the Enabling or Disabling Connection Interfaces article;. Download ykman installers from: YubiKey Manager Releases. The Configuring User page appears as shown below. Testing the Credential. 3. the new firmware was only released after 5Ci, so I'm not sure if you'll get the new firmware. based on an NXP A7005a chip. 75mm. We do not support U2F-only security keys (like the Yubikey NEO-n). The YubiKey NEO is NOT affected. This YubiKey features a USB-C connector and a Lightning connector for the iPhone. In the window which opens, select Search automatically for updated driver software. Step 7: Touch your YubiKey. No more reaching for your phone to open an app, or memorizing and typing. Version 1. Careers; Events; Press room; About us; Investors; Partner programs; Affiliate program; Products. YubiKeys Now Work With iOS. UPDATE: YubiKeys with serial numbers 2624253 to 2624449 and 2624801 to 2625499 are also not configured with fixed card manager keys. *The YubiKey FIPS (4 Series) and YubiKey 5 FIPS Series devices, when deployed in a FIPS-approved mode, will have all USB interfaces enabled. nShield Connect HSMs are certified hardware security appliances that deliver cryptographic services to a variety of applications across the network. Contact support. The YubiKey 4 has five distinct applications, which are all independent of each other and can be used simultaneously. exe or YubiKey NEO Manager. In the SmartCard Pairing macOS prompt, click Pair. Many end-users like this functionality, but some question the key lengths. In June 2021, the EU Commission announced its plans for a revised eIDAS regulation. One of the biggest things is that YubiKey 5s support FIDO2 and the NEO (being. The YubiKey Manual 7 The YubiKey NEO 7. The goal of this document is to highlight the operating system and browser ecosystems support for FIDO. Any YubiKey configured with a Yubico OTP works with LastPass (with the exception of the Security Key and the YubiKey Bio, which supports FIDO protocols only). The YubiKey NEO and NEO-n have three modes of use, and you can enable all of them at once with the newer firmware. @droidmonkey I've got a YubiKey Neo (original) on firmware 3. ykman fido credentials delete [OPTIONS] QUERY. " Now the moment of truth: the actual inserting of the key. When prompted where to store the key, select 1. Support switching mode over CCID for YubiKey Edge. Press Win+R to open the Run menu and run “certmgr. 4, 1. Self registration (recommended method) A user can self register a YubiKey with their Azure. If you have a YubiKey NEO or YubiKey NEO-n, insert your YubiKey, open the YubiKey Manager,. Using Yubico's personalization tools, the YubiKey Standard can be configured for use with Yubico One-Time Password (OTP), OATH-HOTP, HMAC-SHA1 Challenge-Response, and Static Password. 0. Security Key Series YubiKey NEO YubiKey 4 Series How to tell if you are affected 1. YubiKey 5 Series. Mark the "Path" and click "Edit. YubiKey NEO Manager. Careers; Events; Press room; About us; Investors; Partner programs. The Yubikey Authenticator app can accept both to set up the key. 6 Auto eject enabled 7. FIDO2 authenticators YubiKey 5 Series. Yubikey 5 Neo probably costs around $5-$6 USD to mass-produce. The YubiKey 4C uses a USB 2. Our YubiKey NEO, is a JavaCard-based product. Multiple form factors with support for USB-A, USB-C, NFC and Lightning. It can take up to 5 seconds for the two devices to complete the operation. The YubiKey Manager has both a. The YubiKey Personalization Tool is a Qt based Cross-Platform utility designed to facilitate re-configuration of YubiKeys on Windows, Linux and Mac platforms. It is possible to upload a new AES key to Yubico, using a random YubiKey prefix, to restore it. Implement the gold standard of authentication. How-To: Secure your Twitter Account with the YubiKey. Find any advisories or warnings posted here. If the YubiKey menu option is already selected, click the three dots or the X on the upper right. To find out if an application is compatible with the YubiKey C Bio - FIDO Edition, browse to the Works With YubiKey Catalog, and in YubiKey drop-down, select YubiKey Bio Series to only display services that are compatible with it. You are now in admin mode for GPG and should see the following: 1 - change PIN. Software. It is not compatible with Windows on Arm (ARM32, ARM64). Please see YubiChallenges bug tracker for more info. Yubikey FIPS vulnerability. THAT is the string you want. On the Export Private Key page, select Yes, export the private key. On the page shown above, select the user accounts to be provisioned during the current run of the Yubico Login for Windows by selecting the checkbox next to the username, and then click Next. *Guide not valid for Hacker variants. Once we were notified of this issue by Infineon we quickly addressed it. After inserting the YubiKey into a USB Port select Continue. You should see the text Admin commands are allowed, and then finally, type: passwd. 3 or higher), use the following command instead: ssh-keygen -t ed25519-sk -O resident -O application=ssh:YourTextHere -O verify-required. Click Reset FIDO, then YES. Program a challenge-response credential. macOS users check (Apple Menu) > About This Mac > System Report, and look under Hardware > USB. It also bundles the commandline version of. Yubico advertizes it as "practically indestructible". The YubiKey 5 FIPS Series is IP68 rated, crush resistant, no batteries required, and no moving parts. 4 U2F mode of operation (version 3. In addition, one ECDSA key per online service can be. Click Certificate Templates, locate and right-click Smartcard Logon, and select Duplicate Template. The YubiKey 5C NFC uses a USB 2. SSH will ask you to enter your PIN and touch your device, and then save the key pair where you told it. md","path":"docs/AccServiceAutoFill. Requested by Giampaolo Bellini < [email protected] to register your spare key. Once installed, launch the NEO Manager application to proceed. 1. The recommended way to install this software including dependencies is by using the provided precompiled binaries for your platform. Features: WebAuthn, FIDO2 CTAP1, FIDO2 CTAP2, Universal 2nd Factor (U2F), Smart. Select Register. 3 firmware which also offers U2F functionality on USB. Joined: Wed Nov 14, 2012 2:59 pm. The best value key for business, considering its compatibility with services. 4. Using the Security Key NFC, I no longer need to use the Google. Boot-up bug temporarily reduces crypto key randomness. The YubiKey Authentication Module can validate the OTP against either its own Validation Server or against the Yubico Online Validation Service. Note that for individual consumers, the YubiKey only works with services that support one of the many protocols provided by the YubiKey. YubiKey Manager can be installed independently of platform by using pip (or equivalent): pip install --user yubikey-manager. Unfortunately, the update. 3. Yubikey NEO vs YubiKey 5 NFC. Yubico Security Key C NFC. config/Yubico/u2f_keys. Go to Database -> Database Settings -> Security. The YubiKey 5 Series eliminates account takeovers by providing strong phishing defense using multi-protocol capabilities that can secure legacy and modern systems. Zero Trust. Interface. It came into force in 2014, so the revision is a major update to eIDAS. Click the Generate buttons to create a new "Private ID" and "Secret key". Q: How do I find out what firmware version my YubiKey has? A: You may use our. In the password prompt, enter the password for the user account listed in the User Name field and click Pair. Open YubiKey Manager. The YubiKey 5C Nano has six distinct applications, which are all independent of each other and can be used simultaneously. YubiKeys are available worldwide on our web store and through authorized resellers. It enables RSA or ECC sign/encrypt operations using a private key stored on a smartcard (such as YubiKeys), through common interfaces like PKCS#11. OTP: FIPS 140-2 with YubiKey 5 FIPS Series. More consistently mask PIN/password input in prompts. Block on-chip RSA key generation for firmware versions 4. Convenient and portable: The YubiKey 5 C NFC fits easily on your keychain, making it convenient to carry and use wherever you go, ensuring secure access to your accounts at all times. Tool for managing your YubiKey NEO configuration. SSH also offers passwordless authentication. Alternatively, YubiKey Manager can be used to check the model and firmware version. However, I have not yet been able to find use cases with dramatic difference, i. For both commands, YourTextHere can be replaced by anything which helps you identify where this key is being used, for example. Securing SSH with the YubiKey. If a YubiKey NEO or NEO-n is not inserted in your PC,. Get Yubico updates; Why Yubico. /ykman info. Chocolatey is trusted by businesses to manage software deployments. Duo (individual) Authenticator app. 3 firmware for the YubiKey, we. Then, enroll the YubiKey again using the updated template. If you want to prevent this, you can disable the connection. 0 interface as well as an NFC. For more information. The user needs to authenticate to the CMS system so this option should not rely solely on the primary YubiKey being available. GnuPG Smart Card stack looks something like this. Watch on. FIDO U2F - similar to Yubico OTP, the U2F application can be registered with an unlimited. They’re better because they aren’t created insecurely by humans, and because they use public key cryptography to create much more secure experiences. ykman fido access change-pin [OPTIONS] ykman fido access unlock [OPTIONS] (Deprecated) ykman fido access verify-pin [OPTIONS] ykman fido credentials [OPTIONS] COMMAND [ARGS]…. When using the YubiKey 5Ci without one of the above mentioned apps, the key is a capable touch-triggered Yubico OTP device and security key. YubiKey 4 Series. Autosave settings when changing. This command is generally used with YubiKeys prior to the 5 series. With the upgrade to WebAuthn support, 1Password takes a leap forward by enabling easier to use, faster and the most secure 2FA for their users. Remove your YubiKey and plug it into the USB port. A: Only the YubiKey Standard and YubiKey Nano with firmware before version 2. Become a reseller >. This is only available in YubiKey 2. The YubiKey 5 NFC uses a USB 2. PGP is not used for web authentication. 0 (released 2016-07-07)The YubiKey 5C NFC has six distinct applications, which are all independent of each other and can be used simultaneously. 4 contain a bug. 4. Note: Some software such as GPG can lock the CCID USB interface, preventing another software from accessing applications that use that mode. To launch ykman in GUI mode or CLI mode from the command line, select and run the command for one of the options listed below: Launch ykman CLI, ( 32-bit) C: >"C:Program Files (x86)YubicoYubiKey Managerykman. 2. Run: mkdir -p ~/. Open Control Panel. Only the Yubico OTP mode. The YubiKey NEO is our mobile-friendly device. Yubico has developed a range of mobile SDKs, such as for iOS and Android, and also desktop SDKs to enable developers to rapidly integrate hardware security into their apps and services, and deliver a high level of security on the range of devices, apps and services users love. YubiKey works out-of-the-box and has no client software or battery. GitBook ⭕ Yubikey Firmware Can you upgrade the firmware on your Yubikey? This section explains what firmware is, and what to do when your Yubikey becomes outdated. If you have multiple apps which can handle NFC actions, you might be prompted to select which app to use. Our YubiKey NEO, is a. I have recently purchased the yubikey 5 from local vendor in my country. Authenticating across desktop and mobile. The changes to the new Tool includes new features, improved user interface and, of course, a number of bug fixes. Read the YubiKey 5 FIPS Series product brief >. a. Then download and extract the source archive:-Updated Yubico libraries to v1. This plugin to keepass does not work with the following config: linux+keepass+keechallenge plugin+yubikey neo (firmware 3. The main benefit with your own server is that you are in full control over all AES keys programmed into the YubiKeys. With it you may generate keys on the device, importing keys and certificates, and create certificate requests, and other operations. You have two options here: pam_yubico and pam_u2f. com if the key is detected. However, Yubico OTP, one of the most popular kinds of credentials to put in this app, can be registered with an unlimited number of services. 2) for 2FA with the YubiKey Authenticator application. Note: The YubiKey 5 FIPS Series with initial firmware release version 5. To learn about the FIDO standard, please visit the FIDO Alliance at How Fido Works. The touch-triggered experience on. *The YubiHSM Auth application is only available in YubiKey firmware 5. This vulnerability applies to you only if you are using OpenPGP, and you have the OpenPGP applet version 1. Watch the video. Added plugin update checking ; Don't start the 15 second countdown until the Yubikey is inserted . 7 and. If this is not the case, confirm you have a VIP YubiKey with a firmware version of 2. After inserting the YubiKey into a USB Port select Continue. Yubico is dedicated to providing a long-term two-factor authentication solution, we want your YubiKey to remain useful for the full extent of its. For businesses with 500 users or more. It’s just a new name starting to be used for WebAuthn/FIDO2 credentials that enable fully passwordless. For Ubuntu we have a custom PPA containing the yubikey-neo-manager package. The YubiKey Manager is recognizing the Yubikey but the Authenticator application is not recognizing the key. 6 YubiKey NEO 12 2. You will need SSH 8. nShield Connect HSMs. If you're looking for setup instructions for your YubiKey. UPDATE: YubiKeys with serial numbers 2624253 to 2624449 and 2624801 to 2625499 are also not configured with fixed card manager keys. 2. In terms of accessibility, the Yubikey 5 is more advanced in its use, since you can use it for both computer/laptop and mobile. But a recent price cut and a whole lot of software updates have transformed the device into something much. 3. The YubiKey 4 Nano uses a USB 2.