Inner Data Encryption (Android)

Link to the task

f1()

Main protection for our key is InstanceID

CODE:

InstanceID.getInstance(context).getId();

f2()

Local password/Fingerprint protection

For the protection improvement one can add application's password/fingerprint protection.

For now we return empty string.

f3()

Here is Documentation about Android_ID.

CODE:

Settings.Secure.getString(contentResolver, Settings.Secure.ANDROID_ID);