This is a comprehensive video for purchasing, configuring, implementing and finally repairing the Yubikey.

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We cover the basics of purchasing a key, installing the appropriate apps and configuring the key. We break the key multiple times and show you how to fix it. Service providers are inconsistently implementing FIDO2 and causing confusion for end users. Please give us your personal experience and let us know if you need help.

There is an Error in this video related to OTP. Thanks to @kianostad6311 for pointing it out. The OTP has nothing to do with FIDO U2F or FIDO2. The OTP (Onetime password generated) is used for Yubico’s cloudbased validation service (https://www.yubico.com/resources/glos.... It is not related to FIDO U2F or FIDO2. My confusion stemmed from the fact that BitWarden allows you to also use the OTP key function for vault authentication. This is why I thought it was related to FIDO U2F, but it is not. BitWarden also has Web Auth FIDO2 section for registering the keys, but they are still requiring a password.

Time Codes
00:00 Intro Hardware Security Key
00:34 Where to Purchase
01:13 What Key to Select
03:22 Download Apps to Configure Key
04:01 Running the Apps
04:30 Yubikey Manager (YM) App Setup
05:05 App OTP Slot 2 Configuration Static Password
06:15 OTP OATHHOTP Configuration
09:22 OTP Challenge Response Configuration
11:00 OTP Deleting Slot 1 Configuration
11:26 OTP Slot 1 Effect on TOTP Authentication App
12:04 OTP Slot 1 Effect on Previously Credentialed Services
12:59 OTP Slot 1 Reconfigured
14:49 App FIDO 2 PIN Setup
15:41 App FIDO2 Reset
16:16 FIDO2 Reset Effect on Previously Credentialed Services
17:33 FIDO2 Service Providers Implementation for Credentialed Services are Inconsistent
18:42 App PIV Configuration

*Start of Information Referenced in the video*
Generating Base32 Secret Key from Yubico in PowerShell
* Start of Commands*
Command 1
$RNG = [Security.Cryptography.RNGCryptoServiceProvider]::Create()

Command 2
[Byte[]]$x=1

Command 3
for($r=''; $r.length lt 32){$RNG.GetBytes($x); if([char]$x[0] clike '[27AZ]'){$r+=[char]$x[0]}}

Command 4
$r
*End of Commands*

Type of Result:
$5DUPSRKGL4UKEBCH4VJWP4YMUIBHCMIZ5DUPSRKGL4UKEBCH4VJWP4YMUIBHCMIZ

HOTP HMACbased One Time Password Explainers
https://www.thearmchaircritic.org/man...
https://www.microcosm.com/blog/hotpt...

Challenge Response KeePass with Yubikey
https://support.yubico.com/hc/enus/a...
  / keepassxc_and_yubikeys_setting_up_the  


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