BitLocker is a full encryption program that runs on Windows OS. And, this feature is specially developed by Microsoft. Also, you can say that it is a full volume encryption through which you can easily encrypt something. Like, it can help you in protecting any drive by encrypting it. Or, it can provide you protection against any unauthorized changes to your device. So, this feature makes sure that your device is fully protected from any unwanted threat. Also, it is very easy to use. And, you don’t have to install it separately in your device. This software comes already installed. But it is only available for Pro and Enterprise versions of Windows. So, if you are using a Home edition of windows then it is possible that bitlocker won’t be available in your device. This software allows you to lock the drives on your computer to protect it from others.
Along with the above features, BitLocker is a closed source program so you can’t access any of its code. But, it uses the AES encryption algorithm for the protection of your data. With this, it uses XTS or cipher block chaining mode. Other than that, it uses two types of keys which are 128-bit or 256-bit. So, if you have to protect your device with this feature then you don’t have to worry about your data, in case, it is stolen.