Simple AES256 Tools play online

An app that allow you to encrypt/decrypt messages and files by using AES256.

Base functions:
- Encrypt/decrypt messages
- Encrypt/decrypt files (Require all files permission on android 11)
- Unlimited key length (Usually apps limits key size to 256bit but this app can work with any key sizes)

Used algorithm:
- AES256
- Padding: pkcs7
- CBC
- Default initialization vector (we will add ability to change IV in the future versions)