Archive - Rebuilt

A Developer’s Map of the European Power Grid

The central hub for my series: The European Power Grid for Software Developers

39 mins ago • Dmytro Huz

April 2026

Rebuilding TLS, Part 4 - Certificates and Trust

How certificates close the man-in-the-middle gap

Apr 26 • Dmytro Huz

Not sure where to begin? Start here!

Rebuild foundational technologies from first principles — with code, diagrams, and step-by-step explanations.

Apr 23 • Dmytro Huz

Rebuilding TLS, Part 3 — Building Our First Handshake

We get rid of the pre-shared key assumption, build a simple key exchange handshake, and discover why key agreement alone still does not give us real…

Apr 19 • Dmytro Huz

Rebuilding TLS, Part 2 — Adding Integrity to the Channel

We teach our protocol to detect tampering, make records less naive with sequence numbers, and then switch to the AEAD style used in real systems.

Apr 5 • Dmytro Huz

March 2026

Rebuilding TLS, Part 1 — Why Encryption Alone Is Not Enough

From transparent TCP traffic to encrypted records — and the first reason TLS needs more than encryption

Mar 29 • Dmytro Huz

Rebuilding TLS From Scratch — My Complete Learning Journey

This collection brings together my attempt to rebuild TLS from first principles

Mar 27 • Dmytro Huz

A Practical Guide to Time for Developers — The Complete Series

Time looks simple until you have to trust it.

Mar 19 • Dmytro Huz

A Practical Guide to Time for Developers: Part 4 -The Linux Time Sync Cheat Sheet

RTC, system clock, PHC, NTP, PTP, ptp4l, and phc2sys — the practical map of how time works in Linux

Mar 19 • Dmytro Huz

A Practical Guide to Time for Developers: Part 3 — How Computers Share Time

How computers synchronize time with NTP, PTP, and timestamping in Linux

Mar 16 • Dmytro Huz

Cloud Sells Geographical Abstraction. Critical Systems Buy Geographical Proximity.

What recent disruptions around AWS infrastructure in the Gulf reveal about latency, sovereignty, and the hidden geography of modern cloud systems

Mar 15 • Dmytro Huz

I built ac-trace to question the trust we place in passing tests

ac-trace is an early, narrow experiment in checking whether tested systems are actually defended

Mar 9 • Dmytro Huz

#nojs-banner { position: fixed; bottom: 0; left: 0; padding: 16px 16px 16px 32px; width: 100%; box-sizing: border-box; background: red; color: white; font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; font-size: 13px; line-height: 13px; } #nojs-banner a { color: inherit; text-decoration: underline; } This site requires JavaScript to run correctly. Please turn on JavaScript or unblock scripts