def authorize_ssl_client_key
      ssl_client_key_id = product_params[:ssl_client_key_id]
      if ssl_client_key_id
        ssl_client_key = ContentCredential.readable.where(:id => ssl_client_key_id, :organization_id => @organization).first
        throw_resource_not_found(name: 'ssl client key', id: ssl_client_key_id) if ssl_client_key.nil?