320 lines
14 KiB
Java
320 lines
14 KiB
Java
/*
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* Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8297878
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* @summary KEM API test
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* @library /test/lib
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* @run main/othervm -Djava.security.egd=file:/dev/urandom KemTest
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*/
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import java.security.InvalidAlgorithmParameterException;
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import java.security.KeyPair;
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import java.security.KeyPairGenerator;
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import java.security.NoSuchAlgorithmException;
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import java.security.spec.ECGenParameterSpec;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.concurrent.Callable;
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import java.util.concurrent.CompletionService;
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import java.util.concurrent.ExecutorCompletionService;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import java.util.concurrent.Future;
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import javax.crypto.KEM;
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import javax.crypto.SecretKey;
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import javax.crypto.DecapsulateException;
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import jdk.test.lib.Asserts;
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public class KemTest {
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private static final int THREAD_COUNT = 100;
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private static final int THREAD_POOL_SIZE = 20;
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private static final String ALGO = "DHKEM";
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private static final String PROVIDER = "SunJCE";
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public static void main(String[] args) throws Exception {
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KEM kem = KEM.getInstance(ALGO, PROVIDER);
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Asserts.assertEQ(kem.getAlgorithm(), ALGO);
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testSize(kem);
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testParallelEncapsulator(kem, "EC", "secp256r1");
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testParallelEncapsulate(kem, "EC", "secp256r1");
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testParallelDecapsulator(kem, "EC", "secp256r1");
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testParallelDecapsulate(kem, "EC", "secp256r1");
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}
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@FunctionalInterface
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interface GenKeyPair<A, C, K> {
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K gen(A a, C c);
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}
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private static final GenKeyPair<String, String, KeyPair> keyPair = (algo, curveId) -> {
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try {
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KeyPairGenerator kpg = KeyPairGenerator.getInstance(algo);
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if (curveId != null) {
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kpg.initialize(new ECGenParameterSpec(curveId));
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}
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return kpg.generateKeyPair();
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} catch (InvalidAlgorithmParameterException | NoSuchAlgorithmException e) {
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throw new RuntimeException(e);
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}
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};
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/*
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* As per https://www.rfc-editor.org/rfc/rfc9180#name-key-encapsulation-mechanism
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* Nsecret: The length in bytes of a KEM shared secret produced by this KEM.
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* Nenc: The length in bytes of an encapsulated key produced by this KEM.
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*/
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private static void testSize(KEM kem) throws Exception {
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@FunctionalInterface
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interface LengthTest<A, C, S, E> {
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void test(A a, C c, S s, E e);
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}
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LengthTest<String, String, Integer, Integer> secretLen = (algo, curveId, nSecret, nEnc) -> {
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try {
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KeyPair kp = keyPair.gen(algo, curveId);
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KEM.Encapsulator encT = kem.newEncapsulator(kp.getPublic());
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Asserts.assertEQ(encT.providerName(), PROVIDER);
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KEM.Encapsulated enc = encT.encapsulate();
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KEM.Encapsulated enc1 = encT.encapsulate();
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KEM kem1 = KEM.getInstance(ALGO, PROVIDER);
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KEM.Encapsulator encT2 = kem1.newEncapsulator(kp.getPublic());
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KEM.Encapsulated enc2 = encT2.encapsulate();
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Asserts.assertEQ(enc.key().getEncoded().length, nSecret);
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Asserts.assertEQ(enc.encapsulation().length, nEnc);
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Asserts.assertTrue(Arrays.equals(enc.key().getEncoded(), enc.key().getEncoded()));
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Asserts.assertTrue(Arrays.equals(enc.encapsulation(), enc.encapsulation()));
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Asserts.assertFalse(Arrays.equals(enc.key().getEncoded(), enc1.key().getEncoded()));
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Asserts.assertFalse(Arrays.equals(enc.encapsulation(), enc1.encapsulation()));
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Asserts.assertFalse(Arrays.equals(enc.key().getEncoded(), enc2.key().getEncoded()));
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Asserts.assertFalse(Arrays.equals(enc.encapsulation(), enc2.encapsulation()));
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SecretKey sk = enc.key();
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KEM.Decapsulator decT = kem.newDecapsulator(kp.getPrivate());
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SecretKey dsk = decT.decapsulate(enc.encapsulation());
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Asserts.assertEQ(decT.providerName(), PROVIDER);
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Asserts.assertTrue(Arrays.equals(sk.getEncoded(), dsk.getEncoded()));
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Asserts.assertTrue(Arrays.equals(sk.getEncoded(),
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decT.decapsulate(enc.encapsulation()).getEncoded()));
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Asserts.assertTrue(Arrays.equals(enc.key().getEncoded(),
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decT.decapsulate(enc.encapsulation()).getEncoded()));
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Asserts.assertEQ(encT.encapsulationSize(), enc.encapsulation().length);
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Asserts.assertEQ(encT.encapsulationSize(), decT.encapsulationSize());
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Asserts.assertEQ(encT.secretSize(), enc.key().getEncoded().length);
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Asserts.assertEQ(encT.secretSize(), decT.secretSize());
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Asserts.assertEQ(decT.secretSize(), dsk.getEncoded().length);
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Asserts.assertEQ(decT.secretSize(),
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decT.decapsulate(enc.encapsulation()).getEncoded().length);
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Asserts.assertEQ(decT.decapsulate(enc.encapsulation()).getEncoded().length,
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enc.key().getEncoded().length);
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KEM.Encapsulated enc3 = encT.encapsulate(0, encT.secretSize(), "AES");
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KEM.Decapsulator decT1 = kem.newDecapsulator(kp.getPrivate());
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SecretKey dsk1 = decT1.decapsulate(
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enc3.encapsulation(), 0, decT1.secretSize(), "AES");
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Asserts.assertTrue(Arrays.equals(dsk1.getEncoded(), enc3.key().getEncoded()));
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try {
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decT.decapsulate(new byte[enc.encapsulation().length]);
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throw new RuntimeException("Shouldn't reach here");
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} catch (DecapsulateException de) {
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//de.printStackTrace();
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System.out.println("Expected Failure: mismatched encapsulation");
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}
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System.out.println("KEM Secret length:" + algo + ":" + curveId
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+ ":nSecret:" + nSecret + ":nEnc:" + nEnc);
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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};
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// Secret length in bytes.
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secretLen.test("EC", "secp256r1", 32, 65);
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secretLen.test("EC", "secp384r1", 48, 97);
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secretLen.test("EC", "secp521r1", 64, 133);
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secretLen.test("X25519", null, 32, 32);
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secretLen.test("X448", null, 64, 56);
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secretLen.test("XDH", null, 32, 32);
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try {
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secretLen.test("Ed25519", null, 32, 32);
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} catch (Exception e) {
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if (!e.getMessage().contains("java.security.InvalidKeyException")) {
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throw e;
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}
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System.out.println("Expected Exception: Bad Key type: Ed25519");
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}
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try {
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secretLen.test("RSA", null, 256, 256);
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} catch (Exception e) {
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if (!e.getMessage().contains("java.security.InvalidKeyException")) {
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throw e;
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}
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System.out.println("Expected Exception: Bad Key type: RSA");
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}
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}
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/*
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* As per JavaDoc API,
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* A KEM object is immutable. It is safe to call multiple newEncapsulator and
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* newDecapsulator methods on the same KEM object at the same time.
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*/
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private static void testParallelEncapsulator(KEM kem, String algo, String curveId)
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throws Exception {
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KeyPair kp = keyPair.gen(algo, curveId);
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ExecutorService executor = null;
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try {
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executor = Executors.newFixedThreadPool(THREAD_POOL_SIZE);
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CompletionService<KEM.Encapsulator> cs = new ExecutorCompletionService<>(executor);
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List<Future<KEM.Encapsulator>> futures = new ArrayList<>();
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for (int i = 0; i < THREAD_COUNT; i++) {
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Callable<KEM.Encapsulator> task = () -> kem.newEncapsulator(kp.getPublic());
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futures.add(cs.submit(task));
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}
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KEM.Decapsulator decT = kem.newDecapsulator(kp.getPrivate());
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for (Future<KEM.Encapsulator> future : futures) {
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KEM.Encapsulated enc = future.get().encapsulate();
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Asserts.assertTrue(Arrays.equals(
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decT.decapsulate(enc.encapsulation()).getEncoded(),
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enc.key().getEncoded()));
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}
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} finally {
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if (executor != null) {
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executor.shutdown();
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}
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}
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System.out.println("Parallel Encapsulator Test: Success");
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}
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/*
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* As per JavaDoc API,
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* Encapsulator and Decapsulator objects are also immutable.
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* It is safe to invoke multiple encapsulate and decapsulate methods on the same
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* Encapsulator or Decapsulator object at the same time.
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*/
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private static void testParallelEncapsulate(KEM kem, String algo, String curveId)
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throws Exception {
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KeyPair kp = keyPair.gen(algo, curveId);
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ExecutorService executor = null;
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try {
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executor = Executors.newFixedThreadPool(THREAD_POOL_SIZE);
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CompletionService<KEM.Encapsulated> cs = new ExecutorCompletionService<>(executor);
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List<Future<KEM.Encapsulated>> futures = new ArrayList<>();
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KEM.Encapsulator encT = kem.newEncapsulator(kp.getPublic());
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for (int i = 0; i < THREAD_COUNT; i++) {
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Callable<KEM.Encapsulated> task = () -> encT.encapsulate();
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futures.add(cs.submit(task));
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}
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KEM.Decapsulator decT = kem.newDecapsulator(kp.getPrivate());
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for (Future<KEM.Encapsulated> future : futures) {
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Asserts.assertTrue(Arrays.equals(
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decT.decapsulate(future.get().encapsulation()).getEncoded(),
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future.get().key().getEncoded()));
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}
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} finally {
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if (executor != null) {
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executor.shutdown();
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}
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}
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System.out.println("Parallel Encapsulate Test: Success");
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}
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/*
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* As per JavaDoc API,
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* Encapsulator and Decapsulator objects are also immutable.
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* It is safe to invoke multiple encapsulate and decapsulate methods on the same
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* Encapsulator or Decapsulator object at the same time.
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*/
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private static void testParallelDecapsulator(KEM kem, String algo, String curveId)
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throws Exception {
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KeyPair kp = keyPair.gen(algo, curveId);
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ExecutorService executor = null;
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try {
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executor = Executors.newFixedThreadPool(THREAD_POOL_SIZE);
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CompletionService<KEM.Decapsulator> cs = new ExecutorCompletionService<>(executor);
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List<Future<KEM.Decapsulator>> futures = new ArrayList<>();
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for (int i = 0; i < THREAD_COUNT; i++) {
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Callable<KEM.Decapsulator> task = () -> kem.newDecapsulator(kp.getPrivate());
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futures.add(cs.submit(task));
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}
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KEM.Encapsulated enc = kem.newEncapsulator(kp.getPublic()).encapsulate();
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for (Future<KEM.Decapsulator> decT : futures) {
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Asserts.assertTrue(Arrays.equals(
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decT.get().decapsulate(enc.encapsulation()).getEncoded(),
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enc.key().getEncoded()));
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}
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} finally {
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if (executor != null) {
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executor.shutdown();
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}
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}
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System.out.println("Parallel Decapsulator Test: Success");
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}
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/*
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* As per JavaDoc API,
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* Encapsulator and Decapsulator objects are also immutable.
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* It is safe to invoke multiple encapsulate and decapsulate methods on the same
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* Encapsulator or Decapsulator object at the same time.
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*/
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private static void testParallelDecapsulate(KEM kem, String algo, String curveId)
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throws Exception {
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KeyPair kp = keyPair.gen(algo, curveId);
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ExecutorService executor = null;
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try {
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executor = Executors.newFixedThreadPool(THREAD_POOL_SIZE);
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CompletionService<SecretKey> cs = new ExecutorCompletionService<>(executor);
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KEM.Encapsulator encT = kem.newEncapsulator(kp.getPublic());
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KEM.Encapsulated enc = encT.encapsulate();
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KEM.Decapsulator decT = kem.newDecapsulator(kp.getPrivate());
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List<Future<SecretKey>> futures = new ArrayList<>();
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for (int i = 0; i < THREAD_COUNT; i++) {
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Callable<SecretKey> task = () -> decT.decapsulate(enc.encapsulation());
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futures.add(cs.submit(task));
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}
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for (Future<SecretKey> future : futures) {
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Asserts.assertTrue(Arrays.equals(future.get().getEncoded(),
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enc.key().getEncoded()));
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}
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} finally {
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if (executor != null) {
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executor.shutdown();
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}
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}
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System.out.println("Parallel Decapsulate Test: Success");
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}
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}
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