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Deploying WebAuthn

Resources for implementing passwordless authentication with WebAuthn/FIDO2

Identity Jan 2023 (edited Mar 2025)

Guides

• WebAuthn Guide - Introduction to Web Authentication
• FIDO Alliance: Deploying FIDO
• Duo: WebAuthn Developer Guide

Implementation

• webauthn.io - Demo and documentation
• SimpleWebAuthn - TypeScript library
• py_webauthn - Python library

Case Studies

• GitHub: Behind GitHub’s new authentication token formats
• Cloudflare: How we implemented passkeys

Hardware Keys

• YubiKey
• Google Titan
• Feitian
• SoloKeys (open source)

Considerations

• Fallback mechanisms for lost keys
• Enrollment workflows
• Cross-device authentication
• Enterprise vs consumer deployments