In the same vein, if your web browser (what you are using to read this) can accomplish a number of other things on your computer, perhaps that is because it is made by the same company that made your operating system. It's very convenient to use, isn't it? You can ...

The process of converting data into a coded form (ciphertext) to prevent it from being read and understood by an unauthorized party.  Encryption refers to algorithmic schemes that encode plain text into non-readable form or cyphertext, providing privacy. The receiver of the encrypted text uses a "key" to decrypt the ...