Minimize correct examples for misuses

Minimize corrected examples for misuses

Minimize correct example for instagram4j

Add correct usages for jeesuite-libs

Minimized corrected examples

Add correct usage for dragonite-java

Add minimal corrected examples

data/dragonite-java/misuses/2/correct-usages/AES.java

@@ -1,79 +1,7 @@
-import java.security.InvalidAlgorithmParameterException;
-import java.security.InvalidKeyException;
-import java.security.NoSuchAlgorithmException;
-import java.security.SecureRandom;
-
-import javax.crypto.BadPaddingException;
-import javax.crypto.Cipher;
-import javax.crypto.IllegalBlockSizeException;
-import javax.crypto.KeyGenerator;
-import javax.crypto.NoSuchPaddingException;
-import javax.crypto.SecretKey;
 import javax.crypto.spec.IvParameterSpec;
+import java.security.SecureRandom;
 
-public class AES {
-	public void encrypt(String strDataToEncrypt) {
-		try {
-			KeyGenerator keyGen = KeyGenerator.getInstance("AES");
-			keyGen.init(128);
-			SecretKey secretKey = keyGen.generateKey();
-
-			final int AES_KEYLENGTH = 128;
-			byte[] iv = new byte[AES_KEYLENGTH / 8];
-			SecureRandom prng = new SecureRandom();
-			prng.nextBytes(iv);
-
-			Cipher aesCipherForEncryption = Cipher.getInstance("AES/CBC/PKCS7Padding");
-			aesCipherForEncryption.init(Cipher.ENCRYPT_MODE, secretKey, 
-					new IvParameterSpec(iv));
-
-			byte[] byteDataToEncrypt = strDataToEncrypt.getBytes();
-			byte[] byteCipherText = aesCipherForEncryption.doFinal(byteDataToEncrypt);
-		}
-
-		catch (NoSuchAlgorithmException noSuchAlgo) {
-		}
-
-		catch (NoSuchPaddingException noSuchPad) {
-		}
-
-		catch (InvalidKeyException invalidKey) {
-		}
-
-		catch (BadPaddingException badPadding) {
-		}
-
-		catch (IllegalBlockSizeException illegalBlockSize) {
-		}
-
-		catch (InvalidAlgorithmParameterException invalidParam) {
-		}
-	}
-
-	public void decrypt(byte[] cipherText, SecretKey secretKey, byte[] iv){
-		try {
-			Cipher aesCipherForDecryption = Cipher.getInstance("AES/CBC/PKCS7Padding");
-			aesCipherForDecryption.init(Cipher.DECRYPT_MODE, secretKey, new IvParameterSpec(iv));
-			byte[] byteDecryptedText = aesCipherForDecryption.doFinal(cipherText);
-			String decryptedText = new String(byteDecryptedText);
-		}
-
-		catch (NoSuchAlgorithmException noSuchAlgo) {
-		}
-
-		catch (NoSuchPaddingException noSuchPad) {
-		}
-
-		catch (InvalidKeyException invalidKey) {
-		}
-
-		catch (BadPaddingException badPadding) {
-		}
-
-		catch (IllegalBlockSizeException illegalBlockSize) {
-		}
-
-		catch (InvalidAlgorithmParameterException invalidParam) {
-		}
-	}
+ConstructRandomizedIV(offset int, len int) {
+	random = SecureRandom();
+	iv = new IvParameterSpec(random);
 }