Live YubiKey authentication demos: OTP, HOTP, TOTP, FIDO2, and device attestation.
Yubico OTP i
HOTP Validation i
Paired to a specific YubiKey. Counter tracked server-side.
FIDO2 / WebAuthn i ▶
Passwordless auth and Passkeys. Supports resident credentials.
TOTP i
Time-based one-time password. Open YubiKey Authenticator and enter the 6-digit code.
Paired to a specific YubiKey
YubiKey Info i ▶
Genuine YubiKey Check i ▶
Verify your key is authentic Yubico hardware via attestation certificate chain.
API Key vs Identity i ▶ ⚙
Same action. Two auth methods. See why identity wins.
FIDO Step-Up Registration i ⚙
Register a passkey tied to your identity for step-up authentication.
Just-in-Time Access i ▶ ⚙
Request temporary elevated access to delete a table record.
Table Storage i ▶ ⚙
Audit Log i ▶ ⚙
Last 20 actions across all tiles.
AI-Gated Action i ▶ ⚙
Describe what you want to do. The AI policy engine decides: allow, deny, or require step-up.
FIDO2 Demo: Registration + Authentication
Exercise the full WebAuthn lifecycle on any FIDO2 security key. Nothing is stored. The credential lives only in this page's memory. Close the tab and it's gone.
Step 1: Triggers a real WebAuthn registration ceremony with direct attestation. The server validates the attestation cert against the Yubico root CA, then parses the Yubico OID extension 1.3.6.1.4.1.41482.13.1 to pull the firmware version directly from the cert.
Step 2: Asks the key to sign a fresh challenge and verifies the signature with the public key from step 1.
What's a Yubico OID Extension?
CloseWhen a YubiKey registers with a website, it sends back a digital certificate to prove it's genuine. Inside that certificate, Yubico embeds extra data in a reserved slot identified by a long number:
1.3.6.1.4.1.41482.13.1
This number is called an OID (Object Identifier). Think of it like a mailing address for a specific piece of data. Each segment narrows the scope:
41482 → Yubico's registered number (assigned by IANA)
13 → FIDO attestation namespace
1 → firmware version field
Every hardware manufacturer can register their own number and define custom fields under it. Yubico uses theirs to embed the firmware version inside the attestation certificate.
What this demo does: When you tap "Register," the server receives the YubiKey's attestation certificate, cracks it open, finds the data at this OID address, and reads the firmware version directly from the hardware, no drivers or software needed.
This is the same mechanism enterprises use to verify they're issuing genuine Yubico hardware before trusting a key for authentication.
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