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systemprogramming

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Minitalk is a Unix-based project that implements a client-server communication using signals (SIGUSR1, SIGUSR2). It strengthens skills in low-level C programming, bitwise operations, process handling, and inter-process communication without using sockets or shared memory.

  • Updated Oct 12, 2025
  • C

Enterprise-grade encrypted messaging platform built from scratch. C++ cryptographic core (ChaCha20, X25519, Ed25519) + Node.js backend + multiple interfaces. Demonstrates security engineering, systems programming & full-stack development. Zero-knowledge architecture with forward secrecy. Production-ready, tested & documented.

  • Updated Dec 18, 2025
  • C++

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