AndroidKeyStore getEntry is consistently failing after certain point

Question

i am using the AndroidKeyStore to generate a RSA key pair, which are used to encrypt/decrypt the internal data.

The code which does that is as follows - it tries to

Answer 1

Is it possible the user changed their screen lock type to an insecure method such as None or Swipe thus triggering all the keys in the AndroidKeyStore to be deleted? It is a known issue discussed in this blog article: https://doridori.github.io/android-security-the-forgetful-keystore/

Also mentioned here: https://code.google.com/p/android/issues/detail?id=61989

If you do not have strict security requirements and want your app to work even if the user has no screen lock then perhaps just use a keypair stored in a keystore file in your data area and skip the AndroidKeyStore.