Using RSA encryptor for Api cycle (eg. Sessions Controller)

sessions_controller.rb

class Users::SessionsController < Devise::SessionsController
  include SessionsHelper

  before_filter :generate_rsa_key, only: [:new]
  prepend_before_filter -> { authenticate_encryptor([:password]) }, only: [:create]

  def create
    # your own code
    super
  end

  def new
    # your own code
    super
  end  
end