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/*
* Copyright (c) 2006, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* 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).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 6405536
* @summary Verify that we can use ECGenParameterSpec
* @author Andreas Sterbenz
* @library /test/lib ..
* @modules jdk.crypto.cryptoki
* @run main/othervm TestECGenSpec
* @run main/othervm TestECGenSpec sm
*/
import java.security.AlgorithmParameters;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.Provider;
import java.security.interfaces.ECPublicKey;
import java.security.spec.ECGenParameterSpec;
import java.security.spec.ECParameterSpec;
public class TestECGenSpec extends PKCS11Test {
public static void main(String[] args) throws Exception {
main(new TestECGenSpec(), args);
}
@Override
protected boolean skipTest(Provider p) {
if (p.getService("Signature", "SHA1withECDSA") == null) {
System.out.println("Provider does not support ECDSA, skipping...");
return true;
}
if (isBadNSSVersion(p)) {
return true;
}
return false;
}
@Override
public void main(Provider p) throws Exception {
String[] names = { "secp256r1", "NIST P-192", "sect163k1", "1.3.132.0.26",
"X9.62 c2tnb239v1"};
int curves = 1;
if (getNSSECC() == ECCState.Extended) {
curves = names.length;
}
int[] lengths = {256, 192, 163, 233, 239};
for (int i = 0; i < curves; i++) {
String name = names[i];
int len = lengths[i];
System.out.println("Testing " + name + "...");
ECGenParameterSpec spec = new ECGenParameterSpec(name);
AlgorithmParameters algParams = AlgorithmParameters.getInstance("EC", p);
algParams.init(spec);
ECParameterSpec ecSpec = algParams.getParameterSpec(ECParameterSpec.class);
System.out.println(ecSpec);
// no public API to get the curve name, so rely on toString();
if (ecSpec.toString().contains(name) == false) {
throw new Exception("wrong curve");
}
algParams = AlgorithmParameters.getInstance("EC", p);
algParams.init(ecSpec);
ECGenParameterSpec genSpec = algParams.getParameterSpec(ECGenParameterSpec.class);
System.out.println(genSpec.getName());
KeyPairGenerator kpg = KeyPairGenerator.getInstance("EC", p);
kpg.initialize(spec);
KeyPair kp = kpg.generateKeyPair();
System.out.println(kp.getPrivate());
ECPublicKey publicKey = (ECPublicKey)kp.getPublic();
if (publicKey.getParams().getCurve().getField().getFieldSize() != len) {
throw new Exception("wrong curve");
}
System.out.println();
}
}
}
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