Thread: My new questions

hello
I create program for Encrypted / Decrypted file. I have problem with code for Decrypted file. File its don’t be save normal. I get this error
File Decrypted.
Exception in thread "main" java.io.IOException: Stream Closed
at java.io.FileOutputStream.writeBytes(Native Method)
at java.io.FileOutputStream.write(FileOutputStream.ja va:313)
at preprosti.arhiv5.odkrij(arhiv5.java:101)
at preprosti.Preprosti.main(Preprosti.java:35)
C:\Users\igor\AppData\Local\NetBeans\Cache\10.0\ex ecutor-snippets\run.xml:111: The following error occurred while executing this line:
C:\Users\igor\AppData\Local\NetBeans\Cache\10.0\ex ecutor-snippets\run.xml:94: Java returned: 1
BUILD FAILED (total time: 0 seconds)

My code

 
package preprosti;
 
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.security.AlgorithmParameters;
import java.security.SecureRandom;
import java.security.spec.KeySpec;
import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.spec.SecretKeySpec;
import java.security.spec.KeySpec;
import java.util.Base64;
 
import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.spec.SecretKeySpec;
 
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.spec.InvalidKeySpecException;
import javax.crypto.NoSuchPaddingException;
 
 
/**
 * klicem arhiv 4
 * @author igor
 */
public class arhiv5 {
 private static String superKey = "boooooooooom!!!!";
private static String salt = "ssshhhhhhhhhhh!!!!";    
// code for Encrypted file
  public void skrij(String[] args) throws Exception {
		FileInputStream inFile = new FileInputStream("C:\\Users\\igor\\Documents\\NetBeansProjects\\preprosti\\jaslice.jpg");
		FileOutputStream outFile = new FileOutputStream("C:\\Users\\igor\\Documents\\NetBeansProjects\\preprosti\\jaslice2.jpg");
 
                 byte[] iv = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
        IvParameterSpec ivspec = new IvParameterSpec(iv);
 
        SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA256");
        KeySpec spec = new PBEKeySpec(superKey.toCharArray(), salt.getBytes(), 65536, 256);
        SecretKey tmp = factory.generateSecret(spec);
        SecretKeySpec secretKey = new SecretKeySpec(tmp.getEncoded(), "AES");
 
        Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
        cipher.init(Cipher.ENCRYPT_MODE, secretKey, ivspec);
		byte[] input = new byte[64];
		int bytesRead;
 
		while ((bytesRead = inFile.read(input)) != -1) {
			byte[] output = cipher.update(input, 0, bytesRead);
			if (output != null)
				outFile.write(output);
		}
 
		byte[] output = cipher.doFinal();
		if (output != null)
			outFile.write(output);
 
		inFile.close();
		outFile.flush();
		outFile.close();
 
		System.out.println("File Encrypted.");
			}
 
 
// code for Decrypted file
public void odkrij(String[] args)throws Exception {
 
byte[] iv = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
        IvParameterSpec ivspec = new IvParameterSpec(iv);
              	SecretKeyFactory factory = SecretKeyFactory
		.getInstance("PBKDF2WithHmacSHA1");
		KeySpec spec = new PBEKeySpec(superKey.toCharArray(), salt.getBytes(), 65536, 256);
		SecretKey tmp = factory.generateSecret(spec);
		SecretKey secret = new SecretKeySpec(tmp.getEncoded(), "AES");
                Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
		cipher.init(Cipher.DECRYPT_MODE, secret, new IvParameterSpec(iv));
		FileInputStream fis = new FileInputStream("C:\\Users\\igor\\Documents\\NetBeansProjects\\preprosti\\jaslice2.jpg");
		FileOutputStream fos = new FileOutputStream("C:\\Users\\igor\\Documents\\NetBeansProjects\\preprosti\\jaslicee3.jpg");
byte[] in = new byte[64];
		int read;
		while ((read = fis.read(in)) != -1) {
			byte[] output = cipher.update(in, 0, read);
			if (output != null)
				fos.write(output);
                        fos.flush();
		fos.close();
		System.out.println("File Decrypted.");
		}
    }
 
  }

It looks like the call to the close method is inside of the while loop.
It should be outside of the loop to only close the file one time, not every time the loop iterates.