AesCtrDrbg implements Drbg { public AesCtrDrbg() { this(generateSeed()); } AesCtrDrbg();  AesCtrDrbg(byte[] seed); @Override void nextBytes(byte[] bytes); static final int SEED_LENGTH; }
@Test public void testAesCtrDrbg() { Random rand = new Random(42); byte[] seed = new byte[32]; rand.nextBytes(seed); new AesCtrDrbg(seed); }