Most Linux users know vim as a text editor that descended from vi. It can also function as a tool for encrypting text files. In this post, we examine how this is done and how to reverse the process.

How to Encrypt and Decrypt a File. Encrypting files on your computer helps to secure your data from unauthorized access. Microsoft Windows features the native ability to encrypt files and folders ...

Stop your search for an easy way to encrypt and decrypt files in Linux -- the built-in gpg tool will do the trick.

Giovan Battista Bellaso, a 16th-century cryptologist, designed the Vigenere cipher (falsely attributed to diplomat Blaise de Vigenere), believed to be the first cipher that used an encryption key.