An Ecto.Type to encrypt a list of integers.

Configuration

You can customize the json library used for for converting the lists.

config :my_app, MyApp.Vault,
  json_library: Jason

Migration

The database field must be of type :binary.

add :encrypted_field, :binary

Usage

Define an Encrypted.IntegerList module in your project:

defmodule MyApp.Encrypted.IntegerList do
  use Cloak.Fields.IntegerList, vault: MyApp.Vault
end

Then, define the type of your desired fields:

schema "table_name" do
  field :encrypted_field, MyApp.Encrypted.IntegerList
end