public void testRandomString() throws Exception {
SecureRandom rng = MiscTestUtil.getSecureRandom();
String r10 = KeyStoreUtil.randomString(10, rng);
String r1024 = KeyStoreUtil.randomString(1024, rng);
assertEquals(10, r10.length());
assertEquals(1024, r1024.length());
assertCharsBetween(32, 126, r10);
assertCharsBetween(32, 126, r1024);
assertNotEquals(r1024, KeyStoreUtil.randomString(1024, rng));
}
