password game

download-passwords

https://crackstation.net/buy-crackstation-wordlist-password-cracking-dictionary.htm

password_game.rb

#!/usr/bin/env ruby

require 'io/console'
require 'zlib'

puts "give me a password to test then press enter. (it won't be displayed as you type):"
candidate = STDIN.noecho(&:gets)

io = File.open "crackstation.txt.gz"
gz = Zlib::GzipReader.new io

count = 0
total_size = 1212356293.0
percent = 0
pretty_count = nil

puts

def found(pw)
  puts
  puts "found your password! it's \"#{pw}\""
  exit 0
end

gz.each do |line|
  count += 1

  if line == candidate
    found(line)
    break
  end

  if count % 1_000_000 == 0
    percent = (count / total_size) * 100
    pretty_count = count.to_s.reverse.gsub(/(\d{3})(?=\d)/, '\\1,').reverse
    line = line.ascii_only? ? line[0...20].gsub(/\s/, ' ') : ""
    line += " " * (20 - line.size)
    print "    tried #{pretty_count} of 1,212,356,293 passwords (#{percent.round(2)}%) ==> #{line}\r"
  end
end

puts "password not found ;-)"