DavidJRobertson

/* Dropbox Screenshot Tool Thingy
 * ==============================
 * David Robertson - http://davidr.me/
 *
 * Dependencies:
 *   - ImageMagick
 *   - Magick++
 *   - xclip (on linux - on a mac, be sure to change the COPY part of the settings below)
 *   - xdotool (required for taking screenshots of the active window only)
 *   - notify-send (for on-screen notification that a screenshot has just been taken)

DavidJRobertson

puts "XOR tool"

hexvals = Array.new

puts "Enter first value in hex: "
hexvals << gets.chomp
puts "Enter second value in hex: "
hexvals << gets.chomp

vals = Array.new

DavidJRobertson

class String
  def last(n)
    self[-n,n]
  end
end

require "digest"

def hash_message(message)
  sha256 = Digest::SHA2.new(256)