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linerfan5114/README.md

Hi, I'm Erfan 👋

16-year-old developer from Tabriz, Iran, focused on aerospace software, systems programming, and cybersecurity. I build simulations and learning projects around spacecraft software, guidance systems, and network security — most of these are ongoing, self-directed projects rather than production systems.

  • 🇮🇷 Based in Tabriz, Iran
  • 🚀 Interested in: flight software, GNC (guidance/navigation/control), embedded systems, and cybersecurity
  • 🌱 Currently learning: RTOS concepts, Ada, and satellite communication protocols (CCSDS)
  • 📫 Reach me on Telegram: @Kali_xu

Some of these are early-stage or exploratory — check individual repos for current status and README details.

🛠️ Skills

Languages: C, C++, Python, JavaScript, PHP, SQL

Web / Fullstack: Node.js, HTML5, CSS3, WordPress, REST APIs

Security: Penetration testing basics, reverse engineering, binary exploitation, firewall/WAF design

Systems: Linux, embedded systems fundamentals, avionics concepts, CCSDS protocols

📊 GitHub Stats

GitHub Stats GitHub Streak

🚀🇮🇷

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  1. Web-Application-Firewall Web-Application-Firewall Public

    A Layer 7 web application firewall in Node.js: per-IP token-bucket rate limiting, IP reputation/banning, and a regex rule engine for common SQLi/XSS/path-traversal patterns. Tested end-to-end again…

    JavaScript 2

  2. Simorgh-Flight-Software Simorgh-Flight-Software Public

    A real attitude determination & control (ADCS) subsystem in C++: quaternion math, a Mahony complementary filter, a PD attitude controller, and a simulated reaction-wheel spacecraft model — verified…

    C++ 2

  3. StarConsensus-A-Byzantine-resilient-real-time-consensus-protocol-for-LEO-satellite-constellations StarConsensus-A-Byzantine-resilient-real-time-consensus-protocol-for-LEO-satellite-constellations Public

    Byzantine Fault-Tolerant consensus protocol for LEO satellite constellations. CRDT-Gossip + Hybrid Logical Clocks + Probabilistic Quorum. Survives GPS denial, clock drift, and adversarial nodes. Wr…

    Ada 1

  4. SpaceGreenhouse SpaceGreenhouse Public

    A plant health monitoring pipeline using HSV color analysis to estimate health from photos, track trends over time, and raise threshold-based alerts. A lightweight, explainable heuristic — not a tr…

    Python 1

  5. QuantumCommRelay QuantumCommRelay Public

    Quantum Key Distribution relay network for LEO satellite constellations. BB84 + Entanglement Swapping + Decoherence simulation

    Python 1

  6. wandering-being wandering-being Public

    A ~100,000-neuron spiking neural network (Izhikevich model, STDP learning) with a self-model tracking prediction-error and temporal-continuity signals. A research toy exploring predictive-processin…

    Python 3