Encrypt access_token and refresh_token

db/migrate/20200408212150_add_lockbox_columns.rb

@@ -0,0 +1,8 @@
+class AddLockboxColumns < ActiveRecord::Migration[6.0]
+  def change
+    add_column :authentications, :access_token_ciphertext, :text
+    add_column :authentications, :refresh_token_ciphertext, :text
+    remove_column :authentications, :access_token
+    remove_column :authentications, :refresh_token
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2020_04_05_161905) do
+ActiveRecord::Schema.define(version: 2020_04_08_212150) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"