How to print a file in binary mode

[Fredrik Lundh]

Lucas wrote:

> # How can I display a.jpg's binary code?

looks like you're confusing binary numbers with binary files:

http://en.wikipedia.org/wiki/Binary_numeral_system
http://en.wikipedia.org/wiki/Binary_file

you don't really need the former to encrypt the contents of the file; 
algorithms tend to work just fine no matter what number system you use 
to represent the input and output data.

</F>