#!/usr/bin/env ruby
#
#

require 'openssl'
require 'uri'
require 'base64'

key = Base64.decode64 'DydmRdMMZWcRF91mNj/CWLPzzQQi5Rew0cBP0qiBUZI='
cookie = URI.decode "SCIiflMqREyV3wuA%2FHAOOU0tdieMeSb764kd3r3wz%2Bqeo6QhBcCCycP5y1Zal1ul"
iv = cookie[0..15]
enc = cookie[16..-1]


cipher = OpenSSL::Cipher.new 'AES-256-CBC'
cipher.decrypt
cipher.key = key
cipher.iv = iv

msg = cipher.update enc
msg << cipher.final

puts msg