Best practices about cryptography
Engineering playbooks, encryption walkthroughs, and practical guidance for teams shipping trust-worthy client experiences.
A practical guide to picking Argon2id, Argon2i, or Argon2d settings, with ready-to-use presets for logins, credential vaults, and high-security workloads.
Step-by-step recipes for generating keyed hashes (HMAC) across Windows, macOS, Linux, browser tools, and popular languages like Node.js and Python.
A deep dive into MD5's origins, breakthrough adoption, devastating flaws, and how its collapse reshaped modern cryptography.
A hands-on walkthrough for generating SHA-256 hashes on Windows, macOS, Linux, and in the browser—plus tips for automation and verification.
A step-by-step guide to calculating MD5 hashes and checksums for text and files on Windows, macOS, and Linux, plus the easiest online tool.