Dmytro Huz

Software Engineer in Energy Sector | AWS Community Builder (Dev Tools) | Rebuilding core tech in public

Dornbirn, Austria Joined on Jul 23, 2024 dmyhuz@gmail.com https://dmytrohuz.substack.com/

Work

Engineer, Writer, Builder

Pinned

Dmytro Huz

Mar 9

I Built ac-trace to Check What Tests Actually Protect

#testing #ai #development #opensource

4 min read

Dmytro Huz for AWS Community Builders

Apr 19

Rebuilding TLS, Part 3 — Building Our First Handshake

#learning #development #softwaredevelopment

17 min read

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Dmytro Huz for AWS Community Builders

Apr 5

Rebuilding TLS, Part 2 — Adding Integrity to the Channel

#networking #programming #security #tutorial

17 min read

Dmytro Huz for AWS Community Builders

Mar 29

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

#webdev #programming #learning

9 min read

Dmytro Huz

Mar 19

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

#cli #devops #linux #tutorial

6 min read

Dmytro Huz

Mar 16

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

#webdev #programming #learning #devops

9 min read

Dmytro Huz

Mar 5

A Practical Guide to Time for Developers: Part 2 — How one computer keeps time (Linux)

#webdev #programming #tutorial #beginners

7 min read

Dmytro Huz

Mar 1

A Practical Guide to Time for Developers: Part 1 — What time is in software (physics + agreements)

#webdev #programming #learning

19 min read

Dmytro Huz

Feb 13

The Aha-Moment of Public-Key Encryption

#webdev #security #programming #learning

6 min read

Dmytro Huz

Jan 23

Building Your Own MAC — Part 3: reinventing HMAC from SHA-256

#security #programming #learning #development

5 min read

Dmytro Huz

Jan 19

Building Own MAC — Part 2: Fixing AES (and accidentally reinventing CMAC)

#security #programming #learning #development

7 min read

Dmytro Huz

Jan 10

Building Own MAC (Message Authentication Code): Part 1 - Encrypted, but Not Trusted

#webdev #programming #security

5 min read

Dmytro Huz

Dec 25 '25

Building Own Block Cipher: Part 3 - AES

#security #programming #learning #development

6 min read

Dmytro Huz

Nov 29 '25

Building Own Block Cipher: Part 2 — Block Cipher Theory & Rebuilding DES (Foundations You Can See)

#security #programming #learning #development

6 min read

Dmytro Huz

Sep 30 '25

Building Own Block Cipher: Part 1 - Lego Bricks of Modern Security

#security #programming #learning #development

9 min read

Dmytro Huz

Sep 5 '25

Building Own Stream Cipher: Part 2 - RC4: From Ubiquity to Collapse and What It Taught Us About Trust

#programming #learning #devops #security

4 min read

Dmytro Huz

Jul 30 '25

Building Own Stream Cipher: Part 1 — The Essential Guide to Stream Ciphers for Beginners

#devops #programming #learning #webdev

11 min read

Dmytro Huz

Jul 15 '25

Introduction to Cryptography: A Beginner’s Guide to Computational Security

5 min read

Dmytro Huz

Jun 26 '25

Introduction to Cryptography: Perfect secrecy

#learning #programming #security #computerscience

10 min read

Dmytro Huz

Jun 11 '25

Introduction to Cryptography: Basic Blocks

#programming #computerscience #devops #learning

8 min read

Dmytro Huz

May 25 '25

Test Flakiness: The Silent Killer of Engineering Trust

#qa #programming #cicd #testing

3 min read

Dmytro Huz

May 17 '25

From Flow to Frustration — and Back Again: How I Made My Terminal Smarter

#programming #linux #devops #development

5 min read

Dmytro Huz

May 12 '25

Building Your Own Web Server — Part 4: Single-threaded non-blocking server

#programming #devops #development #learning

15 min read

Dmytro Huz

May 5 '25

Building Your Own Web Server — Part 3: Blocking Single and Multithreaded Server

#beginners #devops #learning #programming

16 min read

Dmytro Huz

May 1 '25

Building Your Own Web Server: Part 2 — Plan and Implementation of HTTP and Configuration parser

#programming #learning #devops #beginners

19 min read

Dmytro Huz

Apr 25 '25

Building Your Own Web Server: Part 1 — Theory and Foundations

#programming #beginners #learning #devops

11 min read

DEV Community

Dmytro Huz

Badges

One Year Club

Top 7

1 Week Community Wellness Streak

Writing Debut

Organizations

AWS Community Builders

GitHub Repositories

Pinned

I Built ac-trace to Check What Tests Actually Protect

Rebuilding TLS, Part 3 — Building Our First Handshake

Want to connect with Dmytro Huz?

Rebuilding TLS, Part 2 — Adding Integrity to the Channel

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

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

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

A Practical Guide to Time for Developers: Part 2 — How one computer keeps time (Linux)

A Practical Guide to Time for Developers: Part 1 — What time is in software (physics + agreements)

The Aha-Moment of Public-Key Encryption

Building Your Own MAC — Part 3: reinventing HMAC from SHA-256

Building Own MAC — Part 2: Fixing AES (and accidentally reinventing CMAC)

Building Own MAC (Message Authentication Code): Part 1 - Encrypted, but Not Trusted

Building Own Block Cipher: Part 3 - AES

Building Own Block Cipher: Part 2 — Block Cipher Theory & Rebuilding DES (Foundations You Can See)

Building Own Block Cipher: Part 1 - Lego Bricks of Modern Security

Building Own Stream Cipher: Part 2 - RC4: From Ubiquity to Collapse and What It Taught Us About Trust

Building Own Stream Cipher: Part 1 — The Essential Guide to Stream Ciphers for Beginners

Introduction to Cryptography: A Beginner’s Guide to Computational Security

Introduction to Cryptography: Perfect secrecy

Introduction to Cryptography: Basic Blocks

Test Flakiness: The Silent Killer of Engineering Trust

From Flow to Frustration — and Back Again: How I Made My Terminal Smarter

Building Your Own Web Server — Part 4: Single-threaded non-blocking server

Building Your Own Web Server — Part 3: Blocking Single and Multithreaded Server

Building Your Own Web Server: Part 2 — Plan and Implementation of HTTP and Configuration parser

Building Your Own Web Server: Part 1 — Theory and Foundations