Jetpack Security (JetSec) crypto library provides abstractions for encrypting Files and SharedPreferences objects. JetSec is based on Tink, an open-source, cross-platform security project from Google. Android, since 5.0, encrypts the contents of the user’s data partition by default. If your app uses shared storage, you should encrypt the data. In the app home directory, your app should encrypt data if your app handles sensitive information including but not limited to PII, health records, financial details, or enterprise data.”]
Source: https://security.googleblog.com/2020/02/data-encryption-on-android-with-jetpack.html