CipherVision

CipherVision is a lightweight tool for analyzing classical substitution ciphers through frequency analysis and visualization.

Designed for educational purposes and experimentation in basic cryptanalysis.

Download

https://github.com/ArvinFarrelp/CipherVision/releases

Features

• Substitution cipher encryption
• Letter frequency analysis
• Visualization with matplotlib
• Simple GUI (ttkbootstrap)
• Standalone executable support

Requirements

• Python 3.10+
• matplotlib
• numpy
• ttkbootstrap

Installation

pip install matplotlib numpy ttkbootstrap

Usage

Encrypt text:

python encrypt_text.py

Run frequency analysis:

python frequency_analysis.py

Build (Windows)

pip install pyinstaller
python -m PyInstaller --onefile --windowed frequency_analysis.py
python -m PyInstaller --onefile --windowed encrypt_text.py

Output:

dist/

Run:

dist/frequency_analysis.exe

Sample

THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG.
CRYPTOGRAPHY IS THE ART OF SECRET COMMUNICATION.
FREQUENCY ANALYSIS HELPS TO BREAK SIMPLE SUBSTITUTION CIPHERS.

Contributors

• Daniel Aquaries Pratama
• Arvin Farrel Pramuditya