barcode_encryptor.py

import base64

# Expected field names (adjust according to your barcode structure)
FIELD_NAMES = [
    "Surname", "Given Name", "Other Names", "Date of Birth",
    "Issue Date", "Expiry Date", "NIN", "Card Number", "Additional Data"
]

def decode_barcode_data(barcode_data):
    """
    Decodes a scanned PDF417 barcode and prints extracted data with labels.
    """
    try:
        # Split barcode data by semicolon
        parts = barcode_data.split(';')

        print("\n✅ Decoded Barcode Data:")
        for index, part in enumerate(parts):
            try:
                decoded_value = base64.b64decode(part).decode("utf-8")
            except (base64.binascii.Error, UnicodeDecodeError):
                decoded_value = "Invalid Data"  # Handle decoding errors

            # Assign a field name if available, otherwise use "Unknown Field"
            field_name = FIELD_NAMES[index] if index < len(FIELD_NAMES) else f"Unknown Field {index + 1}"
            print(f"{field_name}: {decoded_value}")

    except Exception as e:
        print(f"❌ Error decoding barcode: {e}")

if __name__ == "__main__":
    # Wait for input from the physical barcode scanner
    scanned_data = input("\n📡 Please scan a PDF417 barcode: ")

    # Decode and display the scanned barcode data
    decode_barcode_data(scanned_data)