8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /**
25 * @test
26 * @bug 6449335
27 * @summary MSCAPI's PRNG is too slow
28 */
29
30 import java.security.SecureRandom;
31
32 public class PrngSlow {
33
34 public static void main(String[] args) throws Exception {
35 double t = 0.0;
36 try {
37 SecureRandom sr = null;
38 sr = SecureRandom.getInstance("PRNG", "SunMSCAPI");
39 long start = System.nanoTime();
40 int x = 0;
41 for(int i = 0; i < 10000; i++) {
42 if (i % 100 == 0) System.err.print(".");
43 if (sr.nextBoolean()) x++;
44 };
45 t = (System.nanoTime() - start) / 1000000000.0;
46 System.err.println("\nSpend " + t + " seconds");
47 } catch (Exception e) {
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8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /**
25 * @test
26 * @bug 6449335
27 * @summary MSCAPI's PRNG is too slow
28 * @key randomness
29 */
30
31 import java.security.SecureRandom;
32
33 public class PrngSlow {
34
35 public static void main(String[] args) throws Exception {
36 double t = 0.0;
37 try {
38 SecureRandom sr = null;
39 sr = SecureRandom.getInstance("PRNG", "SunMSCAPI");
40 long start = System.nanoTime();
41 int x = 0;
42 for(int i = 0; i < 10000; i++) {
43 if (i % 100 == 0) System.err.print(".");
44 if (sr.nextBoolean()) x++;
45 };
46 t = (System.nanoTime() - start) / 1000000000.0;
47 System.err.println("\nSpend " + t + " seconds");
48 } catch (Exception e) {
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