Integrates with the Yubico cloud validation service to verify YubiKey hardware token one-time passwords (OTPs).

Getting Your Yubico API Credentials
  1. Go to https://upgrade.yubico.com/getapikey/.
  2. Enter your email address and the OTP from your YubiKey (tap the button while the cursor is in the field).
  3. Click Get API Key.
  4. Copy the Client ID and Secret Key displayed and enter them in the fields below.
Settings
Client ID
The numeric client ID provided by Yubico (e.g. 12345).
Secret Key
The HMAC secret key for signing validation requests. Stored encrypted at rest.
Prompt To Setup
When enabled, users without a registered YubiKey will be prompted to enrol one at next login.
Allow Skip
When enabled, users can skip YubiKey enrolment for a limited number of logins.
Maximum Skips
The maximum number of times a user can skip enrolment before it is enforced.
Get Yubico API Key