Nathan Eddy works as an independent filmmaker and journalist based in Berlin, specializing in architecture, business technology and healthcare IT. He is a graduate of Northwestern University’s Medill ...

Microsoft’s Encrypting File System, which is used to encrypt data on Windows 2000, XP and Server 2003 computers, relies on a public key certificate. If you don’t have a public-key infrastructure, EFS ...

I've been looking around the internet for an example that shows how to encrypt a file with an existing PGP public key that was sent to me. The examples I find generate the key pair on the fly and then ...

Learn how to protect the information handled by your .NET applications by encrypting and decrypting the data using either a single key or a public/private key pair. Encryption transforms data into a ...

You probably have documents on your desktop operating system that contain sensitive information. So what do you do to protect that data? You could hide the document in an obscure folder -- but that's ...

In the context of cryptography, a public key is an alphanumeric string that serves as an essential component of asymmetric encryption algorithms. It is typically derived from a private key, which must ...

Linux provides a number of ways to control who has access to your files and what kind of access they have. Keeping your files private from anyone but those with superuser (root) access is easy on ...