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A collection of useful fields for building Phoenix apps faster!

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fields lib encrypted.ex
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lib/encrypted.ex 

defmodule Fields.Encrypted do

  @moduledoc """

  An Ecto Type for encrypted fields.

  See `Fields.AES` for details on encryption/decryption.



  ## Example



        schema "users" do

          field(:name, Fields.Encrypted)

        end

  """

  alias Fields.AES



  @behaviour Ecto.Type

  def type, do: :binary



  def cast(value) do

    {:ok, to_string(value)}

  end



  def dump(value) do

    ciphertext = value |> to_string |> AES.encrypt()

    {:ok, ciphertext}

  end



  def load(value) do

    {:ok, AES.decrypt(value)}

  end



  def load(value, key_id) do

    {:ok, AES.decrypt(value, key_id)}

  end

end