class ZuoraConnect::AppInstanceBase

def encryptor
  # Default values for Rails 4 apps
  key_iter_num, key_size, salt, signed_salt = [1000, 64, "encrypted cookie", "signed encrypted cookie"]
  raise ZuoraConnect::Exceptions::Error.new("'secret_key_base' is not set for rails environment '#{Rails.env}'. Please set in secrets file.") if Rails.application.secrets.secret_key_base.blank?
  key_generator = ActiveSupport::KeyGenerator.new(Rails.application.secrets.secret_key_base, iterations: key_iter_num)
  secret, sign_secret = [key_generator.generate_key(salt, 32), key_generator.generate_key(signed_salt)]
  return ActiveSupport::MessageEncryptor.new(secret, sign_secret)
end