Secure note

Requires no authorization whatsoever.

Very basic encrypted editable file.
Two actions : encrypt and decrypt.
Encrypt will save the current content in the text field in an encrypted file, using your password.
Decrypt will decrypt the saved encrypted file, using the same password.
To change the password, decrypt with your old password, and re-encrypt with your new one.

The app does not use any special permission (uses internal storage) and does not require internet connection.
The algorithms used are AES and PBKDF2.

The developer shall not be held responsible for any breach in the data security.