private byte[] generateIV() {
		byte[] iv = new byte[ivLength];
		SecureRandom random = new SecureRandom();
		random.nextBytes(iv);
		return iv;
	}
private byte [ ] generateIV ( ) { byte [ ] iv = new byte [ ivLength ] ; SecureRandom random = new SecureRandom ( ) ; random . nextBytes ( iv ) ; return iv ; }
<p>Generates an initialization vector.</p>