Chrome Extensions Chrome Key - A Cryptography Story We look into cryptography building blocks, key wrapping techniques, bad entropy (with a bruteforce attack), and finalize with a quick analysis on attack costs.
Webauthn Chrome Key - A Standards Story Building a WebAuthn protocol response for a credentials creation request, relying on standards such as the Web Cryptography API, CBOR, JSON Web Key among others.
Webauthn Chrome Key - An Extension Story We will be tackling the skeleton of a Chrome Extension that is capable of detecting Webauthn requests, both for registering and logging in, how different pieces of the extension communicate with each other, and lay the foundation for implementing an authenticator.