Files Encryption Utility

This C# console application provides a simple file encryption and decryption utility using a basic byte-shifting cipher.

Features

• Encrypt Files: Encrypts all files in a specified directory (including subdirectories) with a chosen file extension.
• Decrypt Files: Decrypts previously encrypted files back to their original state.

Usage

Prerequisites

• .NET Core SDK installed on your machine.

How to Use

1. Clone the repository to your local machine:

   git clone https://github.com/your-username/your-repository.git
   cd your-repository

2. Open a terminal or command prompt and navigate to the project directory.

3. Compile the project:

   dotnet build

4. Run the application with the following command-line arguments:

   dotnet run <encrypt/decrypt> <directory_path> <file_extension>

   • <encrypt/decrypt>: Specify encrypt or decrypt to choose the operation.
   • <directory_path>: Path to the directory containing files to encrypt/decrypt.
   • <file_extension>: File extension of the files to process (e.g., txt, pdf, * for all files).

   Example:

   dotnet run encrypt /path/to/your/directory txt

5. Follow the on-screen instructions and check the console output for status updates.

Example

Encrypt all .txt files in /path/to/your/directory:

dotnet run encrypt /path/to/your/directory txt

Decrypt all previously encrypted files:

dotnet run decrypt /path/to/your/directory txt

License

This project is licensed under the MIT License - see the LICENSE file for details.