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 ...

How to easily encrypt/decrypt a file in Linux with gpg Your email has been sent Stop your search for an easy way to encrypt and decrypt files in Linux -- the built-in ...

Encryption is an interesting thing. The first time I saw encryption in action was on a friend’s Gentoo Linux laptop that could only boot if the USB key with the boot partition and decryption key was ...

If you intend a really secure system, do a Web search for "secure delete Linux" to locate some free tools to help with this. The encrypted file is longer than the plain-text file because GPG puts some ...

I have been focusing a lot on security and privacy issues in this year's columns so far, but I realize some of you may expect a different kind of topic from me (or maybe are just tired of all this ...

GnuPG, the open replacement for PGP, is an excellent tool to manage cryptographic signatures to files or e-mails for validity and integrity, as well as a tool to encrypt and decrypt sensitive files.

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 ...

How do you know someone is really who they say they are? In developer and security circles, you do it with Pretty Good Privacy (PGP) keys. Or, you used to anyway. If ...