We have also used the core of this to create an IO class for saving state to disk and back. You can find it here: https://github.com/uacaps/NSObject-ObjectIO h

We have also used the core of this to create an IO class for saving state to disk and back. You can find it here: https://github.com/uacaps/NSObject-ObjectIO https://github.com/uacaps/NSObject-ObjectIO It's a one liner to save complex objects (see demos) with encryption. We used AES-256 encryption with PBKDF2 for the key gen. That said, we would be more than happy to hear reviews on the efficacy of our method. Thanks!