Stephen Xu's blog - Cybersecurity and other fun nonsense :)https://stuxf.dev/https://stuxf.dev/blog/digital-audio/https://stuxf.dev/blog/digital-audio/Playing MusicTue, 01 Oct 2024 00:00:00 GMThttps://stuxf.dev/blog/aes-hardware-accelerator/https://stuxf.dev/blog/aes-hardware-accelerator/Making AES go fast! using hardware.Tue, 29 Oct 2024 00:00:00 GMThttps://stuxf.dev/blog/always-uncomfortable/https://stuxf.dev/blog/always-uncomfortable/me when it's uncomfortable for me to be comfortableWed, 03 Dec 2025 00:00:00 GMThttps://stuxf.dev/blog/being-messy/https://stuxf.dev/blog/being-messy/When is it good to be messy?Fri, 27 Sep 2024 00:00:00 GMThttps://stuxf.dev/blog/buying-time/https://stuxf.dev/blog/buying-time/No, I'm not the problem.Tue, 01 Jul 2025 00:00:00 GMThttps://stuxf.dev/blog/defcon-retrospective/https://stuxf.dev/blog/defcon-retrospective/I procrastinated. Also bonus CSAW24 Content.Fri, 15 Nov 2024 00:00:00 GMThttps://stuxf.dev/blog/education-game/https://stuxf.dev/blog/education-game/How the educational system fails itselfSat, 28 Feb 2026 00:00:00 GMThttps://stuxf.dev/blog/favorite-gift/https://stuxf.dev/blog/favorite-gift/Me ranting about a cool t-shirt I was gifted <3.Wed, 07 Aug 2024 00:00:00 GMThttps://stuxf.dev/blog/generalist-musings/https://stuxf.dev/blog/generalist-musings/What value is there in being a generalist?Fri, 04 Oct 2024 00:00:00 GMThttps://stuxf.dev/blog/flipper-zero/https://stuxf.dev/blog/flipper-zero/Really Cool Microcontroller!Fri, 11 Oct 2024 00:00:00 GMThttps://stuxf.dev/blog/grounding/https://stuxf.dev/blog/grounding/Finding my footingWed, 01 Oct 2025 00:00:00 GMThttps://stuxf.dev/blog/human-state/https://stuxf.dev/blog/human-state/What would we need in order to represent a human to a first approximationMon, 01 Sep 2025 00:00:00 GMThttps://stuxf.dev/blog/interrupts/https://stuxf.dev/blog/interrupts/Using Interrupts on an MCU to measure motor speedTue, 08 Oct 2024 00:00:00 GMThttps://stuxf.dev/blog/learning-with-my-hands/https://stuxf.dev/blog/learning-with-my-hands/On doing hands-on things.Fri, 01 Nov 2024 00:00:00 GMThttps://stuxf.dev/blog/iot-device/https://stuxf.dev/blog/iot-device/Making an IOT device with the ESP8266 wifi module and DS1722 SPI temperature sensorTue, 22 Oct 2024 00:00:00 GMThttps://stuxf.dev/blog/managing-scope/https://stuxf.dev/blog/managing-scope/From Game Dev to Engineering ProjectsFri, 18 Oct 2024 00:00:00 GMThttps://stuxf.dev/blog/keypad-scanner/https://stuxf.dev/blog/keypad-scanner/Debouncing is scary o-o.Tue, 24 Sep 2024 00:00:00 GMThttps://stuxf.dev/blog/multiplexed-ssd/https://stuxf.dev/blog/multiplexed-ssd/Continuation of Previous Post, still struggling!Tue, 10 Sep 2024 00:00:00 GMThttps://stuxf.dev/blog/msfrogofwar3/https://stuxf.dev/blog/msfrogofwar3/Writeup for the msfrogofwar3 challenge from corCTF 2024.Thu, 15 Aug 2024 00:00:00 GMThttps://stuxf.dev/blog/priorities/https://stuxf.dev/blog/priorities/Some reflections on where I'm atWed, 17 Jun 2026 00:00:00 GMThttps://stuxf.dev/blog/text-interfaces/https://stuxf.dev/blog/text-interfaces/Zoomer rediscovers the universal interfaceFri, 01 Aug 2025 00:00:00 GMThttps://stuxf.dev/blog/working-in-public/https://stuxf.dev/blog/working-in-public/On the rise of performative work culture and finding authentic ways to share and contribute.Fri, 25 Oct 2024 00:00:00 GMThttps://stuxf.dev/blog/there-is-no-losing/https://stuxf.dev/blog/there-is-no-losing/Reflections and realizations. Also, hyping myself up.Sat, 01 Nov 2025 00:00:00 GMThttps://stuxf.dev/blog/you-still-need-to-know-things/https://stuxf.dev/blog/you-still-need-to-know-things/AI is not a magic wand; other misc. thoughts I have about PCB design and security competitions?Sun, 01 Jun 2025 00:00:00 GMThttps://stuxf.dev/blog/nix-a-year-of-pain/https://stuxf.dev/blog/nix-a-year-of-pain/Reflections on running Nix for over a year, the frustrations, and how I've made it work.Sat, 03 Jan 2026 00:00:00 GMThttps://stuxf.dev/blog/pico-2019-crypto/https://stuxf.dev/blog/pico-2019-crypto/Short and simple writeups for all PicoCTF 2019 crypto challenges.Thu, 29 Jun 2023 00:00:00 GMThttps://stuxf.dev/blog/microprocessor-misadventures/https://stuxf.dev/blog/microprocessor-misadventures/I have no clue what I'm doing in this class please help.Thu, 05 Sep 2024 00:00:00 GMThttps://stuxf.dev/blog/pico-2019-rev/https://stuxf.dev/blog/pico-2019-rev/Short and simple writeups for all PicoCTF 2019 reverse engineering challenges.Sat, 29 Jul 2023 00:00:00 GMThttps://stuxf.dev/blog/pico-2019-web/https://stuxf.dev/blog/pico-2019-web/Short and simple writeups for all PicoCTF 2019 web challenges.Sun, 18 Jun 2023 00:00:00 GMT