Use APKPure App
Get AES 256 PB Encrypt Decrypt old version APK for Android
A demo of the AES 256 Password Based Encryption/Decryption Github library.
This app is a demo of https://github.com/rishelarora/AES256PasswordBasedEncryption-Decryption library.
In the encrypt activity enter the text you want to encrypt and a PIN as its a password based encryption.
Paste the encrypted text in the decrypt page with the same PIN and get back the original text.
Documentation,details usage etc are available on the Github page.