P2P File
Exchange
- A secure peer-to-peer file transfer desktop app for local networks,
featuring UDP peer discovery with Ed25519-signed announcements to
prevent
impersonation, end-to-end encrypted TCP transfers using X25519
key exchange + ChaCha20-Poly1305, and
TOFU
identity verification with a persistent trust database.
Built in C#/.NET 10 with Avalonia
UI.
RFC Reader
- Terminal UI RFC viewer built in Rust that retrieves
IETF RFC documents
from the
RFC Editor website on demand and displays them in a readable format.
Heartbeat
Monitor
- Lightweight Python client-server monitoring tool
that uses raw ICMP Echo messages to collect and
verify system metrics from servers. Stores telemetry with
SQLite.
Cloakimg
- Rust-based command-line tool that employs RGB LSB
steganography to conceal and extract text or binary data from images.
It supports optional encryption (ChaCha20-Poly1305 AEAD),
file or inline input, capacity checks for PNG, BMP, TIFF, and PPM
formats,
and integrity checks with BLAKE3.
Barbershop
Management
System
- Web-based management application for barbershop operations. Built with
ASP.NET Core and
Entity Framework Core, supporting user registration and
login,
appointment management, and employee profiles.
Domain Info
- A network diagnostics toolkit for DNS, traceroute, WHOIS and ASN
lookups, with JWT-secured per-user history and statistics. Built with
TypeScript, Hono;
Prisma and SQLite, with 1-hour
response caching, Zod validation, and httpOnly cookie sessions. The
frontend uses React and Vite, with
paginated history and statistics dashboards, deployed on AWS EC2
behind Nginx with GitHub Actions CI/CD during my internship.