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/*
* Copyright (c) 2023, 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 8297878
* @summary KEM using KeyPair generated through SunPKCS11 provider using NSS
* @library /test/lib ../../../sun/security/pkcs11
*/
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.NoSuchAlgorithmException;
import java.security.Provider;
import java.security.PublicKey;
import java.security.SecureRandom;
import java.security.spec.ECGenParameterSpec;
import java.util.Arrays;
import javax.crypto.KEM;
import javax.crypto.SecretKey;
import jdk.test.lib.Asserts;
public class KemInterop extends PKCS11Test {
public static void main(String[] args) throws Exception {
main(new KemInterop(), args);
}
@Override
public void main(Provider p) throws Exception {
test("EC", "secp256r1", p);
test("EC", "secp384r1", p);
test("EC", "secp521r1", p);
test("X25519", null, p);
test("X448", null, p);
test("XDH", null, p);
}
private static void test(String algo, String curveId, Provider p) throws Exception {
@FunctionalInterface
interface KemTest<KP, SR> {
void test(KP kp, SR scr);
}
KemTest<KeyPair, SecureRandom> kemWithPKCSKeys = (kpr, scr) -> {
try {
KEM kem = KEM.getInstance("DHKEM", "SunJCE");
KEM.Encapsulator encT = encapsulator(kem, kpr.getPublic(), scr);
KEM.Encapsulator encT1 = encapsulator(kem, kpr.getPublic(), scr);
KEM.Encapsulated enc = encT.encapsulate();
KEM.Encapsulated enc1 = encT.encapsulate();
KEM.Encapsulated enc2 = encT1.encapsulate();
Asserts.assertTrue(Arrays.equals(enc.key().getEncoded(), enc.key().getEncoded()));
Asserts.assertTrue(Arrays.equals(enc.encapsulation(), enc.encapsulation()));
Asserts.assertFalse(Arrays.equals(enc.key().getEncoded(), enc1.key().getEncoded()));
Asserts.assertFalse(Arrays.equals(enc.encapsulation(), enc1.encapsulation()));
Asserts.assertFalse(Arrays.equals(enc.key().getEncoded(), enc2.key().getEncoded()));
Asserts.assertFalse(Arrays.equals(enc.encapsulation(), enc2.encapsulation()));
KEM.Decapsulator decT = kem.newDecapsulator(kpr.getPrivate());
SecretKey dsk = decT.decapsulate(enc.encapsulation());
Asserts.assertTrue(Arrays.equals(dsk.getEncoded(), enc.key().getEncoded()));
Asserts.assertEQ(encT.encapsulationSize(), enc.encapsulation().length);
Asserts.assertEQ(encT.encapsulationSize(), decT.encapsulationSize());
Asserts.assertEQ(encT.secretSize(), enc.key().getEncoded().length);
Asserts.assertEQ(encT.secretSize(), decT.secretSize());
Asserts.assertEQ(decT.secretSize(), dsk.getEncoded().length);
Asserts.assertEQ(decT.secretSize(),
decT.decapsulate(enc.encapsulation()).getEncoded().length);
Asserts.assertEQ(decT.decapsulate(enc.encapsulation()).getEncoded().length,
enc.key().getEncoded().length);
KEM.Encapsulated enc3 = encT.encapsulate(0, encT.secretSize(), "AES");
KEM.Decapsulator decT1 = kem.newDecapsulator(kpr.getPrivate());
SecretKey dsk1 = decT1.decapsulate(enc3.encapsulation(), 0, decT1.secretSize(), "AES");
Asserts.assertTrue(Arrays.equals(dsk1.getEncoded(), enc3.key().getEncoded()));
} catch (Exception e) {
throw new RuntimeException(e);
}
System.out.println("Success");
};
KeyPair kp = null;
SecureRandom sr = null;
try {
System.out.print("Algo-" + algo + ":" + "Curve-" + curveId + ":");
KeyPairGenerator kpg = KeyPairGenerator.getInstance(algo, p);
try {
sr = SecureRandom.getInstance("PKCS11");
} catch (NoSuchAlgorithmException e) {
// Get default SecureRandom incase PKCS11 not found
sr = new SecureRandom();
}
if (curveId != null) {
kpg.initialize(new ECGenParameterSpec(curveId), sr);
}
kp = kpg.generateKeyPair();
} catch (NoSuchAlgorithmException e) {
System.out.println("Unsupported. Test execution Ignored");
return;
}
kemWithPKCSKeys.test(kp, null);
kemWithPKCSKeys.test(kp, sr);
}
private static KEM.Encapsulator encapsulator(KEM kem, PublicKey pk, SecureRandom sr)
throws Exception {
if (sr == null) {
return kem.newEncapsulator(pk);
} else {
return kem.newEncapsulator(pk, sr);
}
}
}
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