Best way to securely cache data in a kotlin app? New-ish to Kotlin and building an app. I need some objects to be persistent data. Each of these objects will have a unique key. The objects will not take up a ton of memory and the cache size will probably rarely be over 10 of these objects, and most of the time just be 2 or 3 of these objects. I am wondering what is the best way to cache this data? I will encrypt the data but it must also be secure and only accessible by my app, i.e. not accessible by other apps on the phone or backed up by...