Yubikey

 

Links

• YubiKey Guide
• Download the tool
• Setup of a self-hosted Yubico OTP validation server
• Yubikey PHP Library
• How To Configure Your Yubikey for Maximum Usefulness & Security
• Using the Yubikey for two-factor authentication on Linux
• https://github.com/cgkades/yubiserver/blob/master/README
• PGP and SSH keys on a Yubikey NEO
• Yubikey and GPG
• https://gist.github.com/ageis/14adc308087859e199912b4c79c4aaa4 YubiKey 4 series GPG and SSH setup guide]

Notes

Starting with Chrome version 39, you will be able to use the YubiKey NEO or YubiKey NEO-n in U2F+HID mode. HOW??

https://github.com/liyanchang/yubikey-setup

HOWTO

Registering yubikey cloud

Yubico API key signup

Prompts for "YubiKey OTP" Looks like you're supposed to just tap the key

what did i need this for? at least went through upload

https://devcentral.f5.com/s/articles/two-factor-authentication-using-yubikey-yubicloud-and-apm nigrore this one?

 

https://duo.com/docs/yubikeyalzz.com/doc/25870289/yubikey-for-yubicloud-configuration-guide

 

 

Using key with linux

https://support.yubico.com/hc/en-us/articles/360013708900-Using-Your-U2F-YubiKey-with-Linux

wget -O /etc/udev/rules.d/70-u2f.rules https://raw.githubusercontent.com/Yubico/libu2f-host/master/70-u2f.rules
apt install libyubikey-udev
udevadm trigger

Test your Yubikey OTP

https://demo.yubico.com/otp/verify

FAQ

What kind of OTP does Yubikey use?

Single use ordered

 

OTP verify url

https://demo.yubico.com/otp/verify

Failled connecting to the Yubikey. Make sure the application has the required permissions

yubikey-manager-qt -> OTP install libyubikey-udev or

https://support.yubico.com/hc/en-us/articles/360016648939-Troubleshooting-Failed-connecting-to-the-YubiKey-Make-sure-the-application-has-the-required-permissions-in-YubiKey-Manager

 

Yubico API key signup: Invalid OTP

got through the upload thing first? The upload url from doc is bad! remove comma!

 

 

Using yubikey with github

https://hackernoon.com/use-a-yubikey-as-a-mfa-device-to-replace-google-authenticator-b4f4c0215f2

Run

Github settings->authentication->Account security->Enable two factor authentication->Authenticator app Copy the key

ykman oath accounts add  <SERVICE_NAME> <YOUR_BASE32_KEY>

To get code:

ykman oath code github.com