CrackProof

CrackProof is a sophisticated password security analysis tool that evaluates password strength using advanced algorithms including entropy calculations, pattern detection, and real-time breach database checking. Built with cybersecurity professionals and security-conscious users in mind.

Features

• Entropy estimation and character class analysis
• Detection of weak patterns (sequences, repeats, keyboard runs, dates, dictionary words)
• Optional Have I Been Pwned offline range query (k-anonymity)
• Dark-themed Tkinter UI with live scoring and tips

Requirements

• Python 3.9+

Install dependencies:

pip install -r requirements.txt

Run

python crackproof.py

Tests

pytest -q

Screenshots

Place UI screenshots in CrackProof/screenshots/.

License

MIT — see CrackProof/LICENSE.