StegoSafe

StegoSafe is a web-based application that allows users to securely hide secret messages inside digital images using LSB Steganography and AES-256 encryption.

Prerequisites

• Python 3.9+

Installation

1. Navigate to the StegoSafe directory:

   cd StegoSafe

2. Install the required dependencies:

   pip install -r requirements.txt

Configuration

To use the AI Image Generation feature, you need to set your OpenAI API key in app.py:

OPENAI_API_KEY = "YOUR_OPENAI_API_KEY_HERE"

If you don't have a key, the application will generate a random noise image instead.

Running the Application

1. Start the Flask server:

   python app.py

2. Open your web browser and go to: http://localhost:5000

Usage

Encrypt & Hide

1. Enter your secret message.
2. Select an encryption method (None, Caesar, or AES-256).
3. Enter a key/password.
4. Choose to upload an image or generate one using AI.
5. Click "Encrypt & Generate Stego-Image" to download the image with the hidden message.

Extract & Decrypt

1. Upload the Stego-Image.
2. Select the decryption method used.
3. Enter the key/password.
4. Click "Extract Message" to reveal the secret.