I am not going to hate on this tool for being big, because it's portable, that kind of comes with the territory. However, if you wanted something similar that w

I am not going to hate on this tool for being big, because it's portable, that kind of comes with the territory. However, if you wanted something similar that was more portable with less dependencies, you could write it in Perl. There are pure perl libraries for whatever you need, including crypto, and Perl runs on systems like Windows without the need for an extra subsystem or environment.