gqW7q8hx

1import java.nio.file.Files;
2import java.nio.file.Paths;
3import javax.crypto.*;
4
5public class Main {
6
7    public static void main(String[] args) throws Exception {
8        String FileName = "encryptedtext.txt";
9        String FileName2 = "decryptedtext.txt";
10
11        KeyGenerator KeyGen = KeyGenerator.getInstance("AES");
12        KeyGen.init(128);
13
14        SecretKey SecKey = KeyGen.generateKey();
15
16        Cipher AesCipher = Cipher.getInstance("AES");
17
18
19        byte[] byteText = "Your Plain Text Here".getBytes();
20
21        AesCipher.init(Cipher.ENCRYPT_MODE, SecKey);
22        byte[] byteCipherText = AesCipher.doFinal(byteText);
23        Files.write(Paths.get(FileName), byteCipherText);
24
25
26        byte[] cipherText = Files.readAllBytes(Paths.get(FileName));
27
28        AesCipher.init(Cipher.DECRYPT_MODE, SecKey);
29        byte[] bytePlainText = AesCipher.doFinal(cipherText);
30        Files.write(Paths.get(FileName2), bytePlainText);
31    }
32}