B4X FEED What are the recommended ways of storing encryption keys

[practicalsoft]

Google requires that all new apps need to encrypt user's personal data before transmitting to and storing in the remote database.

For the sake of security, how I should store the encryption keys somewhere inside the app, or somewhere outside the app and easily accessible by the app?

Earlier I was thinking about the

برای دیدن لینک ها باید ثبت نام کنید

, still the app needs the password to decrypt.

I'm looking forward to some good advices

TIA.

برای دیدن لینک ها باید ثبت نام کنید