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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
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*
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* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
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* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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/*
* @ test
* @ bug 4856966 8242332
* @ summary
* @ author Andreas Sterbenz
* @ library / test / lib . .
* @ key randomness
* @ modules jdk . crypto . cryptoki
* @ run main / othervm ReinitMac
* @ run main / othervm - Djava . security . manager = allow ReinitMac sm
*/
import java.security.Provider;
import java.util.Random;
import java.util.List;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
public class ReinitMac extends PKCS11Test {
public static void main(String[] args) throws Exception {
main(new ReinitMac(), args);
}
@Override
public void main(Provider p) throws Exception {
List<String> algorithms = getSupportedAlgorithms("Mac" , "Hmac" , p);
Random random = new Random();
byte [] data = new byte [10 * 1024 ];
random.nextBytes(data);
byte [] keyVal = new byte [16 ];
random.nextBytes(keyVal);
boolean success = true ;
for (String alg : algorithms) {
try {
doTest(alg, p, keyVal, data);
} catch (Exception e) {
System.out.println("Unexpected exception: " + e);
e.printStackTrace();
success = false ;
}
}
if (!success) {
throw new RuntimeException("Test failed" );
} else {
System.out.println("All tests passed" );
}
}
private void doTest(String alg, Provider p, byte [] keyVal, byte [] data)
throws Exception {
System.out.println("Testing " + alg);
SecretKeySpec key = new SecretKeySpec(keyVal, alg);
Mac mac = Mac.getInstance(alg, p);
mac.init(key);
mac.init(key);
mac.update(data);
mac.init(key);
mac.doFinal();
mac.doFinal();
mac.update(data);
mac.doFinal();
mac.reset();
mac.reset();
mac.init(key);
mac.reset();
mac.update(data);
mac.reset();
}
}
Messung V0.5 in Prozent C=87 H=91 G=88
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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