🔐 Image Encryption with XOR Cipher

📋 Overview

This Python implementation demonstrates a basic image encryption algorithm using the XOR cipher technique. It employs symmetric key cryptography, where identical keys are used for both encryption and decryption operations.

🔍 Detailed Functionality

1️⃣ Input and Initialization

• 📁 The program prompts users for the image file path to be encrypted
• 🔑 Users must provide a numerical encryption key for the XOR operation

2️⃣ Encryption Process

• 📂 Opens the target image in read-binary mode ('rb')
• 📊 Reads the complete image content into memory
• 🔄 Converts image data into a byte array for byte-level manipulation

• ⚙️ Performs a bitwise XOR operation on each byte using the provided encryption key
• 🔀 The XOR operation effectively scrambles the image data by flipping bits according to the key pattern

3️⃣ Output Generation

• 💾 Writes the encrypted byte array back to the original file location
• ✅ Displays a confirmation message upon successful encryption

4️⃣ Security Considerations

• ⚠️ This represents a basic encryption implementation; more sophisticated algorithms are recommended for high-security applications
• 🔄 Decryption requires performing the XOR operation again with the identical key
• 🛡️ The current implementation lacks robust error handling mechanisms
• 💡 Future improvements could include validation for file paths and encryption key inputs

🚀 Getting Started

# Clone this repository
git clone https://github.com/soheilsheikh/PRODIGY_CS_02.git

# Navigate to the project directory
cd PRODIGY_CS_02

# Run the encryption script
python encrypt.py

📝 License

MIT