Overview

• This project is dedicated to leverage DES encryption algorithm for sending files across computers securely.

Features

• Encrypt and decrypt files (of text and image format) using DES algorithm

• Sending files across computers using Socket TCP

Project structure

src/
    main/
        java/
            com/encryption/
                server/
                    Server.java         # Server main class
                    ServerController.java  # UI controller
                    ClientHandler.java  # Handles each client connection
                client/
                    Client.java         # Client main class
                crypto/
                    DES.java     # Encryption/decryption logic
                network/
                    NetworkUtil.java    # Socket communication utilities
                utils/
                    FileUtil.java       # File I/O utilities
        resources/
            server.fxml             # Server UI layout
            client.fxml             # Server UI layout
            styles.css              # UI styling
            config.properties       # Configuration (port, key)
    test/
        java/
            com/encryption/test/
                CryptoTest.java     # Unit tests for crypto
                NetworkTest.java    # Unit tests for network
    pom.xml                     # Maven build file
README.md                       # Project documentation

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