How to Perform File encryption with Flutter and Dart

Finally found something. I tried multiple options including the encrypt package, but all were dead ends. I finally found this package It can encrypt files using AES all you need is the path to the file. It is well documented. I believe its best to create a class and add functions for encrypt and decrypt as I have did below.

import 'dart:io';import 'package:aes_crypt/aes_crypt.dart';class EncryptData {  static String encrypt_file(String path) {    AesCrypt crypt = AesCrypt();    crypt.setOverwriteMode(AesCryptOwMode.on);    crypt.setPassword('my cool password');    String encFilepath;    try {      encFilepath = crypt.encryptFileSync(path);      print('The encryption has been completed successfully.');      print('Encrypted file: $encFilepath');    } catch (e) {      if (e.type == AesCryptExceptionType.destFileExists) {        print('The encryption has been completed unsuccessfully.');        print(e.message);      }      else{        return 'ERROR';      }    }    return encFilepath;  }  static String decrypt_file(String path) {    AesCrypt crypt = AesCrypt();    crypt.setOverwriteMode(AesCryptOwMode.on);    crypt.setPassword('my cool password');    String decFilepath;    try {      decFilepath = crypt.decryptFileSync(path);      print('The decryption has been completed successfully.');      print('Decrypted file 1: $decFilepath');      print('File content: ' + File(decFilepath).path);    } catch (e) {      if (e.type == AesCryptExceptionType.destFileExists) {        print('The decryption has been completed unsuccessfully.');        print(e.message);      }      else{        return 'ERROR';      }    }    return decFilepath;  }}

Now you can use it like

encrypted_file_path = EncryptData.encrypt_file('your/file/path');