mysql - How to Encrypt data after validation in Ruby on Rails? -

i using devise authentication, register. want save emailid in mysql in encrypted format. use gem 'aescrypt'.

my controller:

 def create     @dashboard_user = dashboarduser.new(dashboard_user_params)     @dashboard_user.created_by=current_dashboard_user.username     @dashboard_user.company_id=current_dashboard_user.company_id     active_ind = ""     email = @dashboard_user.email      if params["active"] == nil       active_ind = "0"     else       active_ind = "1"     end      @dashboard_user.active = active_ind     @dashboard_user.email= aescrypt.encrypt(email, "password")      respond_to |format|       if @dashboard_user.save         format.html { flash[:notice] = 'user created.' , redirect_to action: "index"}       else         @dashboard_user.email = email         format.html { render :new }       end     end   end 

when try save user, throws email invalid. removed validation email in model. though same error exists. problem is? if there way encrypt data after validation?

thanks in advance.

how validate email? use custom method decrypt before validate against (for e.g.) regex. alternatively, can use activerecord callbacks. in case, after_validation can useful :)

after_validation(on: :create)   self.email= aescrypt.encrypt(email, "password") end