Command Line Tools

• sct: X11 command-line utility xsct to "set color temperature" (sct) of screens
  • Alpine
  • Arch
  • Debian
  • NixOS
  • Ubuntu
• edi: CLI for interacting with artificial intelligence chatbots through Poe's API
• aed: UNIX command-line tool that encrypts or decrypts its input using AES in CBC mode with a key derived from a password (unmaintained proof of concept)
• ls: Simplified clone of the UNIX tool ls which lists directory contents (unmaintained proof of concept)

Security Tools

• SSH-Weak-DH: Scan SSH servers for weak Diffie-Hellman groups
• mbedtls-fuzz: Fuzz ARM's mbed TLS library using AFL++
• EncSync: Network storage service that provides client-side encryption and supports group file sharing (unmaintained master's thesis project)
• image-encryption: Implementation of a color image encryption algorithm using spatial bit-level permutation and high-dimension chaotic system for the CPU/GPU in C/Julia/CUDA

Libraries

• AES.jl: AES implementation in Julia supporting common cipher modes of operation

Containers

• dockerfiles: Various Dockerfiles for Podman and Docker containers

Scripts

• macos-qemu-rpi: Emulate a Raspberry Pi using QEMU on macOS
  • Helpful for going through the Azeria Labs ARM exploitation tutorial on macOS
• thinkpad-scripts: Emulate three trackpad buttons with ThinkPad models that lack them and disable movements for part of the touchpad to prevent accidental pointer movements on Ubuntu

Selected Projects

• sws: Simple UNIX webserver framework supporting IPv4 and IPv6
• conqueue: Thread-safe and re-entrant double-ended queue (linked list) implementation in C
• LampSort: Java implementation of Lamport's version of quicksort
• CoinTossingGUI: Simulates a sequence of coin tossing events and plots the corresponding 2-D random walk
• cournol: Educational tool for analyzing analyzing absolute supply monopolies and polypolies (high school project)

Selected Contributions

• confer-proxy: Proxy for the confer.to end-to-end encrypted artificial intelligence chat service
• confer-image: Small and reproducible Linux images meant to run in a TEE (Trusted Execution Environment) for confer.to
• emu-ex-plus-alpha: Game console emulation system
• pi-hole/docs: Official documentation for Pi-hole
• spotitySpeedExtension: Chrome extension to change the playback speed on Spotify
• vim-clevertab: Simple tab completion plugin for vim
• antisamy: HTML sanitization library
• XSStrike: XSS scanner
• htap: Crawler for Single Page Application (SPA) web apps
• node-opentoken: OpenToken library written in Node.js

External Links

• ffoerg.de: Personal blog
• Google Scholar