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
use 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 embed_as(_), do: :self
def equal?(term1, term2), do: term1 == term2
end