[java] Image encryption/decryption using AES256 symmetric block ciphers

Try with the below code it`s working for me.

public static String decrypt(String encrypted) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, InvalidAlgorithmParameterException, IllegalBlockSizeException, BadPaddingException, UnsupportedEncodingException {
    byte[] key = your Key in byte array;
    byte[] input = salt in byte array;

    SecretKeySpec skeySpec = new SecretKeySpec(key, "AES");
    IvParameterSpec ivSpec = new IvParameterSpec(input);
    Cipher ecipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
    ecipher.init(Cipher.DECRYPT_MODE, skeySpec, ivSpec);

    byte[] raw = Base64.decode(encrypted, Base64.DEFAULT);
    byte[] originalBytes = ecipher.doFinal(raw);

    String original = new String(originalBytes, "UTF8");
    return original;
}

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