[Erlang/OTP 24.2](https://www.erlang.org/patches/otp-24.2) ships with [:crypto.pbkdf2_hmac](https://www.erlang.org/doc/man/crypto.html#pbkdf2_hmac-5). I'm suggesting a new major version of `cloak_ecto` that requires OTP 24.2+.
Erlang/OTP 24.2 ships with :crypto.pbkdf2_hmac. I'm suggesting a new major version of
cloak_ectothat requires OTP 24.2+.