gistfile1.txt

Tag.rb
class Tag < ActiveRecord::Base

  attr_encrypted :title, :key => ATTR_ENCRYPTION_KEY, :encode => true

end


Loading development environment (Rails 3.2.8)
ruby-1.9.2-p290 :001 > t = Tag.new
 => #<Tag id: nil, account_id: nil, title: nil, created_at: nil, updated_at: nil, tag_type: nil, title_encrypted: nil> 

ruby-1.9.2-p290 :002 > t.title = 'test'
 => "test" 

ruby-1.9.2-p290 :003 > t.save
   (0.3ms)  BEGIN
  SQL (0.4ms)  INSERT INTO `tags` (`account_id`, `created_at`, `tag_type`, `title`, `title_encrypted`, `updated_at`) VALUES (NULL, '2012-09-20 16:35:55', NULL, NULL, NULL, '2012-09-20 16:35:55')
   (2.3ms)  COMMIT
 => true 

ruby-1.9.2-p290 :004 >