I know "encrypt" isn't the right description here. It's more like trying to "obfuscate" or "scramble" a password in a plaintext shell script. Say you have a UNIX shell script that does FTP to Windows ...

Researchers have discovered a vulnerability in Cryptsetup, which is used to encrypt disks in Linux systems, that can lead to an attacker gaining a root shell. The actual flaw lies in the scripts that ...