# File lib/plugins/md5pass.rb, line 11
  def self.gen_pass(master_pass)
      salt = config.plugins.md5pass.salt
      len = config.plugins.md5pass.len
      times = config.plugins.md5pass.times
      url = "http://#{config.host}/"
      user = config.user_name
      str = (url + salt + user + master_pass) * (2 ** times);
      Base64.encode64(Digest::MD5.digest(str))[0, len]
  end