Image Encryption Tool

This Python program allows you to encrypt and decrypt images using a pixel-shuffling algorithm. It comes with a Tkinter GUI for a smooth user experience. The tool ensures your images remain secure with a unique key-based encryption process.

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Features

• Encrypt Images: Secure your images using a custom pixel-shuffling method.
• Decrypt Images: Restore encrypted images back to their original form.
• User-Friendly GUI: Simple interface to upload and process images.
• Cross-Platform: Works on any system with Python and necessary libraries installed.

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Requirements

• Python 3.x
• Required Libraries:
  • numpy
  • Pillow (PIL)
  • tkinter (comes pre-installed with Python)

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How to Run the Program

1. Clone or Download the Repository

   git clone https://github.com/Suroor101/PRODIGY_CS_02.git
   cd PRODIGY_CS_02

2. Install Required Libraries

   pip install numpy pillow

3. Run the Program

   python image_encryption.py

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How to Use

1. Launch the program.
2. Enter an encryption key (a number between 0 and 255).
3. Choose to Encrypt or Decrypt an image:
   • Click "Encrypt" to secure your image.
   • Click "Decrypt" to restore your encrypted image.
4. Use the file dialog to select an image file.
5. The processed image is saved automatically in the same directory with a modified file name (_encrypted or _decrypted).

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Important Notes

• The same key used for encryption must be used for decryption to restore the original image.
• Supported file formats: .png, .jpg, .jpeg.