There are many reasons to encrypt files — even on a system that is well maintained and comparatively secure. The files may highly sensitive, contain personal information that you don’t want to share ...

Encrypting files from the command line is simple with gpg. You can use it to encrypt and decrypt files with a password. The command gpg is part of GnuPG. GnuPG stands ...

I’ve only recently been motivated to encrypt a small portion of my email. Though I’ve been familiar with various encryption methods for a long time and PGP in particular, I found that I had to step ...

Editor's Note: The following is an excerpt from chapter 11, "Keeping Your Data Private", of Peter van der Linden's Guide to Linux, published August 2005 by Prentice Hall, ISBN 0-13-187284-2. In Part 1 ...