Use a tool called AngeCryption. on terminal type python angercrypt.py input file targetimage modified input key algorithm Input file - the initial file the end user wants to encrypt into a target image Targetimage - thats what we want the encrypted file to look like. Like PDF, JPG, ... Modified input - that's the input file modified by angercrypt.py Key - AED128-CBC or 3DES-EDE2-CBC the tool produces a modified input file and a generated python script to test and encrypt the input file