E AND D is short for Encryption and Decryption. It is a tool which uses custom encryption model to encrypt and decrypt a messege using a secret key.

• Secure Encryption:

  • Custom Secret Formula: Uses a strong custom method (KPD-Cipher) to mix up your text so no one can read it.
  • Key Protection: You need a special password (Key) to lock and unlock things, so only people you trust can see it.
  • Works with Files: You can encrypt whole .txt files, not just typed messages.

• Reliable Decryption:

  • Get It Back: Turns your scrambled code back into the original message exactly how it was, as long as you have the right key.
  • Smart Error Handling: If you type the wrong key, it won't crash; it just won't work (obviously!).

• Easy to Use Interface:

  • Popups: Cool popup results let you copy, download, or try again without reloading the whole page.
  • Help Guide: There's a "How It Works" button that explains everything if you get stuck.
  • Looks Good: Made with Tailwind CSS so it looks modern and formatted nicely on your phone or laptop.

• Privacy Focused:

  • Example: We don't save anything! Your messages and keys happen right then and there and aren't stored on any server.
  • Fast: Everything feels instant because it's built to be quick.

• Demo Video is here.

• Live link is here.

1. Start: Click "Encryption" on the main page (or click the left arrow).
2. Encrypt:
   • Type your message or upload a text file.
   • Make up a strong key (password).
   • Click "Encrypt" to get your secret code.
   • Copy it or Download it as a file.
3. Decrypt:
   • Go to the "Decryption" page (or click the right arrow from home).
   • Paste the secret code or upload the encrypted file.
   • Type the SAME key you used to lock it.
   • Click "Decrypt" to see your original message.

NOTE: Don't lose your KEY! If it's gone, your data is gone forever. Seriously.

• Backend: Python, Flask
• Frontend: HTML5, CSS3, JavaScript
• Styling: Tailwind CSS
• Fonts: Wagon Serif, Barlow Condensed
• Deployment: Ready to host online

Follow these steps to get this running on your own computer.

• Python 3.7 or newer
• pip (to install python stuff)

Clone this repo to your computer:

git clone https://github.com/sujalnegi/E-AND-D.git

cd E-AND-D

Install the requirements:

pip install -r requirements.txt

Start the server:

python app.py

Now open your browser and go here:

http://127.0.0.1:5000/

Now just go to your browser and paste the above link

• Sujal Negi
• Email: [email protected]
• Instagram: @sujal1negi

• Wagon Serif Font Providers