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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
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/**
* @test
* @bug 4856966
* @summary test that reinitializing Signatures works correctly
* @author Andreas Sterbenz
* @library ..
*/
import java.util.*;
import java.security.*;
public class ReinitSignature extends PKCS11Test {
public static void main(String[] args) throws Exception {
main(new ReinitSignature());
}
public void main(Provider p) throws Exception {
KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA", p);
kpg.initialize(512);
KeyPair kp = kpg.generateKeyPair();
PrivateKey privateKey = kp.getPrivate();
PublicKey publicKey = kp.getPublic();
Signature sig = Signature.getInstance("MD5withRSA", p);
byte[] data = new byte[10 * 1024];
new Random().nextBytes(data);
sig.initSign(privateKey);
sig.initSign(privateKey);
sig.update(data);
sig.initSign(privateKey);
sig.update(data);
byte[] signature = sig.sign();
sig.update(data);
sig.initSign(privateKey);
sig.update(data);
sig.sign();
sig.sign();
sig.initSign(privateKey);
sig.sign();
System.out.println("All tests passed");
}
}