Books
Password Authentication for Web and Mobile Apps
Learn how to securely authenticate users, how to hash and store passwords, use sessions and tokens, prevent common attacks, and more.
Software
- New! I Write Like: a web-based Markdown text editor with various writing analysis tools.
- New! Calcish = Calculator + JavaScript + AI + Notebook.
- Check out some useful apps for Mac by my company, Coding Robots.
- My open source projects are on GitHub.
Articles
| Aug 09, 2025 | ML-KEM in WebCrypto API |
| Jun 17, 2025 | How to store web app data in the system keychain |
| Jul 09, 2020 | Blurring is not enough |
| Jul 08, 2020 | SwiftUI is the future |
| Jun 27, 2020 | Platform authenticators for Web Authentication in Safari 14 |
| Jun 15, 2020 | Does salt need to be random for password hashing? |
| May 25, 2020 | Improving storage of password-encrypted secrets in end-to-end encrypted apps |
| May 19, 2020 | Why password peppering in Devise library for Rails is not secure |
| May 15, 2020 | My book on password authentication is out |
| Jan 16, 2019 | How to use Chrome securely |
| Jan 12, 2019 | Copywriting gems from a hundred-year-old Sears catalog |
| Nov 18, 2016 | Synching Android and macOS with Nextcloud |
| Oct 23, 2016 | How to disregard business trends to find your niche |
| Jul 15, 2015 | Securing Go web applications |
| Jul 12, 2011 | Mac developers: don't use AQDataExtensions |
See also
| Aug 18, 2025 | Convert Markdown to Word |
| May 31, 2024 | Introducing the new I Write Like |
| Mar 25, 2024 | Calcish 1.0 is here! |
Tags
Books · Business · Copywriting · Cryptography · Go · Programming · Security · Software · Swift