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* 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 6405536 6414980
* @ summary Basic consistency test for all curves using ECDSA and ECDH
* @ author Andreas Sterbenz
* @ library / test / lib . .
* @ modules jdk . crypto . cryptoki / sun . security . pkcs11 . wrapper
* @ run main / othervm TestCurves
* @ run main / othervm - Djava . security . manager = allow TestCurves sm
* @ key randomness
*/
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.Provider;
import java.security.ProviderException;
import java.security.Signature;
import java.security.spec.ECParameterSpec;
import java.util.Arrays;
import java.util.List;
import java.util.Random;
import javax.crypto.KeyAgreement;
public class TestCurves extends PKCS11Test {
public static void main(String[] args) throws Exception {
main(new TestCurves(), args);
}
@Override
protected boolean skipTest(Provider p) {
if (p.getService("KeyAgreement" , "ECDH" ) == null ) {
System.out.println("Not supported by provider, skipping" );
return true ;
}
if (isBadNSSVersion(p)) {
return true ;
}
return false ;
}
@Override
public void main(Provider p) throws Exception {
Random random = new Random();
byte [] data = new byte [2048 ];
random.nextBytes(data);
List<ECParameterSpec> curves = getKnownCurves(p);
for (ECParameterSpec params : curves) {
System.out.println("Testing " + params + "..." );
KeyPairGenerator kpg = KeyPairGenerator.getInstance("EC" , p);
kpg.initialize(params);
KeyPair kp1, kp2;
kp1 = kpg.generateKeyPair();
kp2 = kpg.generateKeyPair();
testSigning(p, "SHA1withECDSA" , data, kp1, kp2);
testSigning(p, "SHA224withECDSA" , data, kp1, kp2);
testSigning(p, "SHA256withECDSA" , data, kp1, kp2);
testSigning(p, "SHA384withECDSA" , data, kp1, kp2);
testSigning(p, "SHA512withECDSA" , data, kp1, kp2);
System.out.println();
KeyAgreement ka1 = KeyAgreement.getInstance("ECDH" , p);
ka1.init(kp1.getPrivate());
ka1.doPhase(kp2.getPublic(), true );
byte [] secret1 = ka1.generateSecret();
KeyAgreement ka2 = KeyAgreement.getInstance("ECDH" , p);
ka2.init(kp2.getPrivate());
ka2.doPhase(kp1.getPublic(), true );
byte [] secret2 = ka2.generateSecret();
if (Arrays.equals(secret1, secret2) == false ) {
throw new Exception("Secrets do not match" );
}
}
System.out.println("OK" );
}
private static void testSigning(Provider p, String algorithm,
byte [] data, KeyPair kp1, KeyPair kp2) throws Exception {
System.out.print(" " + algorithm);
Signature s = Signature.getInstance(algorithm, p);
s.initSign(kp1.getPrivate());
s.update(data);
byte [] sig = s.sign();
s = Signature.getInstance(algorithm, p);
s.initVerify(kp1.getPublic());
s.update(data);
boolean r = s.verify(sig);
if (r == false ) {
throw new Exception("Signature did not verify" );
}
s.initVerify(kp2.getPublic());
s.update(data);
r = s.verify(sig);
if (r) {
throw new Exception("Signature should not verify" );
}
}
}
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¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-06-10)
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