CrapSolutions

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CrapSolutions delivers fabulous software solutions since 2014. We specialize in security research, embedded systems, and custom software development.

Our open-source projects include static site generators, security tools, and automation utilities. We also offer contract development and consulting services for businesses.

Whether you need a custom security assessment, embedded software development, or a reliable software solution — we're here to help.

Get in touch: office@crap.solutions

🔗 Links

👥 People

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📊 Statistics

13 Solutions
5 Blog Posts
2 People

🎓 Student Solutions

RKNProxy ↗

HTTP proxy with JavaScript injection and header dumping

Java Proxy Security
Stomp Mixed Messaging in Python ↗

Anonymous secure messaging protocol implementation in Python

Python Security STOMP
analyzecrypt.py ↗

Android function call monitoring via Frida for C and Java

Python Android Frida
progtest.py ↗

CLI output verification tool with diff, return value, and valgrind memory checks

Python Testing Education

🛠️ Public Solutions

Advent of Code ↗

Annual coding challenge solutions in a new language each year (Python, Go, Kotlin, C#, PHP, Ruby, F#, Clojure, Rust, Zig)

Advent of Code Algorithms Multiple Languages
libnobit ↗

Lookup table solution for AND, OR, XOR, NOT operations

C Library Bit Operations
pagegen.py ↗

No-JS static site generator using Markdown + Jinja2 templates

Python Static Site Generator Markdown

🔬 Scientific Solutions

My bachelor's thesis ↗

Timing attacks on memory deduplication in Linux (JavaScript and native implementations)

Security Thesis Memory Deduplication
My master's project ↗

JavaScript-based keystroke timing side-channel attacks bypassing sandbox

Security JavaScript Timing Attacks
My master's thesis ↗

Rowhammer bitflip testing for binaries and cryptographic implementations (AES-GCM)

Security Thesis Rowhammer

⚽ Sport Solutions

gak-parsers ↗

Scripts for Grazer AK 1902: ticket counter and Reddit match plan manager

Python Reddit Sports
volley.py ↗

Reddit match thread creator for Austrian Volleyball League with Telegram management

Python Reddit Telegram

📝 Recent Blog Posts

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