Hiding a message or other data inside image |Cryptography|

Hiding a message or other data inside image.... . Cryptography is the art and science of keeping information secure from unintended audiences, of encrypting it. Conversely, cryptanalysis is the art and science of breaking encoded data. The branch of mathematics encompassing both cryptography and cryptanalysis is cryptology. . . . Command and other info is in that file:https://drive.google.com/open?id=1U3BNswdbK4ni-fujvrZOzlel_6EhmxbY