StegoCrypt

A web-based application that implements modern cryptographic and steganographic techniques for secure image encryption, decryption, and data hiding.

Features

• AES Encryption & Decryption
  Leverages the Advanced Encryption Standard (AES) to securely encrypt images, generating a unique decryption key. The original image can only be restored by providing the correct key.

• Triple DES Encryption & Decryption
  Implements the Triple DES algorithm to enhance security by encrypting data multiple times with distinct keys, adding an extra layer of protection.

• Chaos-Based Image Encryption
  Uses a logistic map-based chaotic system to randomly scramble pixel values, ensuring extreme sensitivity to initial conditions. Without the precise parameters, decryption is practically impossible.

• LSB Steganography (Hide & Extract)
  Embeds confidential messages within images using Least Significant Bit (LSB) steganography, preserving image quality while allowing seamless extraction of hidden data.

• Save Processed Files
  Provides an option to download encrypted, decrypted, or steganographic images effortlessly for future use.

• Enhanced User Interface
  Features an intuitive and polished UI, making encryption, decryption, and steganographic tasks accessible with ease.

Technologies Used

• Frontend: React, TailwindCSS
• Icons: Lucide React
• Backend: Flask (Python)
• Cryptography: PyCryptodome (AES, Triple DES), NumPy (chaotic encryption)
• Image Processing: OpenCV
• Security & Randomness: secrets module for key generation

Installation & Setup

Option 1: Run with Docker (Recommended & Easiest)

You can run the entire stack (both frontend and backend) automatically using Docker.

1. Make sure you have Docker installed on your computer.
2. Clone the repository:

   git clone https://github.com/ASHISH9925/test-deployment.git
   cd test-deployment

3. Start the application:

   docker compose up --build

4. Access the application:
   • Frontend: Open http://localhost:8080 in your browser.
   • Backend API: Access http://localhost:5000.

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Option 2: Manual Setup

To set up the project locally manually, follow these steps:

1. Clone the repository

   git clone https://github.com/ASHISH9925/test-deployment.git
   cd test-deployment

2. Install backend dependencies (using pipenv)

   cd backend
   pipenv install

3. Activate the virtual environment

   pipenv shell

4. Install frontend dependencies

   cd ../frontend
   npm install

5. Start the Flask server

   cd ../backend
   python app.py

6. Start the Frontend development server

   cd ../frontend
   npm run dev

7. Open the application

   • Frontend: http://localhost:5173
   • Backend: http://localhost:5000

Screenshots

Homepage

DES Encryption

Chaos Decryption

LSB Steganography (Hide Text)

Download Processed File

Credits

This project was created by:

• Ashish Sharma
• Rana Sushant Kumar