Understanding The bcrypt Hashing Function And Its Role in Rails.

You may have implemented authentication in one of your apps, either directly with Rails’s has_secure_password or indirectly through a gem like Devise. Whichever way, you persisted user passwords in some way.How are passwords securely stores in a database then? Let’s examine the underlining technology that safely stored user passwords in a framework like Ruby on Rails.In a Ruby on Rails console, if you’re using say Devise and you query a user with a password, you’ll see something the looks like gibberish.