cryzen — Python Encryption Library
A specialized cryptographic library published on PyPI created to simplify robust data encryption, decryption, and secure key generation workflows in Python.
pip install cryzen
A developer focused on Python, backend architectures, automation, and cybersecurity & penetration testing. I build secure applications, explore systems like Linux and Docker, and continuously elevate my craft through hands-on work.
Developer, penetration tester, and practical builder based in Savar, Dhaka.
I am a junior software developer and penetration tester dedicated to mastering Python, backend architectures, automation, and cybersecurity & penetration testing fundamentals. I believe the best way to master technology is through practical, real-world execution.
From publishing Python libraries on PyPI to developing RESTful services with FastAPI and Flask, my journey is driven by relentless curiosity and curiosity about how complex systems work under the hood.
Cybersecurity & Penetration Testing, Backend Systems
Python, FastAPI, Linux, Docker, Bash & Hardware
Build secure, efficient, and impactful software
Savar, Dhaka, Bangladesh (Remote Friendly)
Languages, frameworks, systems, and security tools I work with daily.
Hand-crafted applications, libraries, and tools I maintain on GitHub and PyPI.
A specialized cryptographic library published on PyPI created to simplify robust data encryption, decryption, and secure key generation workflows in Python.
pip install cryzen
Osman Hadi Archive is a Python library that documents and showcases the life, achievements, and revolutionary activities of Osman Hadi. It uses ASCII art, banners, and structured textual content to make console output engaging. The library is fully bilingual (English & Bengali) and designed for educational and commemorative purposes.
pip install osman-hadi
An advanced real-time group chat web application featuring dynamic multi-user rooms, instant messaging with WebSockets, and smooth UI feedback.
Robust photo upload, validation, and media asset management backend service engineered with FastAPI, featuring asynchronous endpoints and schema validation.
Embedded IoT firmware bridging the ESP32 microcontroller with the Telegram Bot API for remote wireless telemetry, GPIO control, and sensor notification.
Streamlined tooling and environment scripts enabling developers to compile, sign, and build Android APK packages natively inside the Termux terminal.
A lightweight video gallery and streaming web application with video upload capabilities, thumbnail generation, and responsive playback controls.
An interactive text-based RPG adventure bot built for Telegram groups, featuring character stats, combat turns, and level progression logic.
Projects and reference repositories I study to deepen wireless security, memory inspection, and reverse engineering skills.
ESP32-based 802.11 Wi-Fi management frame generation and deauthentication research framework.
View Forked RepoWi-Fi Protected Setup (WPS) PIN recovery and Pixie-Dust vulnerability analysis tool without root requirements.
View Forked RepoComprehensive ESP32 penetration testing tool exploring PMKID packet capture and beacon sniffing.
View Forked RepoAndroid zygote-level injection tool for dumping runtime Il2Cpp structures and binaries via Zygisk.
View Forked RepoAndroid CLI and native terminal toolchain development environment testing inside Termux.
View Forked RepoRuntime memory patching, symbol lookup, and ARM binary manipulation library for Android security analysis.
View Forked RepoHave an interesting project, security assessment, or collaboration opportunity? Let's talk!