linkedin dump password check

myleakedin.rb

#!/usr/bin/env ruby

# USAGE: ruby myleakedin.rb yourpassword
# assumes you have the dump in the same dir as combo_not.txt

require 'digest/sha1'
pass = ARGV.first
hex = Digest::SHA1.hexdigest(pass)

print "HEX: #{hex} => "
puts `grep #{hex} combo_not.txt`.empty? ? "ok" : "cracked!"

print "HEX-2: #{hex.sub!(/^...../,'00000')} => "
puts `grep #{hex} combo_not.txt`.empty? ? "ok" : "cracked!"