Linux.com discusses the various options available when choosing a tool for encrypting individual files and directories.
“System-wide security solutions such as SELinux, AppArmor, Bastille and grsecurity can, in most cases, make your Linux desktop more than reasonably secure. But there are still cases where file or directory encryption is necessary. Here are some tools that can help you when you need to move files outside of your home computer, carry personal data around with you on a pendrive, or send email messages containing sensitive information.”
Read the article here.