140 lines
4.8 KiB
Java
140 lines
4.8 KiB
Java
/*
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* Copyright (c) 2018, 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 8171277
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* @summary XEC curve operations iterative test vectors
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* @library /test/lib
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* @build jdk.test.lib.Convert
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* @modules java.base/sun.security.ec
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* @run main XECIterative 0 10000
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* @run main XECIterative 10000 20000
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* @run main XECIterative 20000 30000
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* @run main XECIterative 30000 40000
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* @run main XECIterative 40000 50000
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* @run main XECIterative 50000 60000
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* @run main XECIterative 60000 70000
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* @run main XECIterative 70000 80000
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* @run main XECIterative 80000 90000
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* @run main XECIterative 90000 100000
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*/
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import sun.security.ec.*;
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import java.io.*;
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import java.security.spec.NamedParameterSpec;
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import java.util.*;
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/*
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* This test is derived from the iterative test in RFC 7748. To produce the
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* test vectors, the implementation ran for 1,000,000 iterations and saved
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* values of k and u at periodic checkpoints. The RFC includes the correct
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* value of k after 1,000,000 iterations, and this value was used to ensure
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* that the test vectors are correct. This test has multiple @run tags so that
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* no single run takes too long.
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*/
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public class XECIterative {
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private static class KU {
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public byte[] k;
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public byte[] u;
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}
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public static void main(String[] args) throws IOException {
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long start = Long.parseLong(args[0]);
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long end = Long.parseLong(args[1]);
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XECIterative m = new XECIterative();
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m.runIterativeTest("X25519", start, end);
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m.runIterativeTest("X448", start, end);
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}
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private void runIterativeTest(String opName, long start, long end)
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throws IOException {
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NamedParameterSpec paramSpec = new NamedParameterSpec(opName);
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XECParameters settings =
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XECParameters.get(RuntimeException::new, paramSpec);
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XECOperations ops = new XECOperations(settings);
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File vectorFile = new File(System.getProperty("test.src", "."),
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opName + ".iter");
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Map<Long, KU> testIters = new HashMap<Long, KU>();
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BufferedReader in = new BufferedReader(new FileReader(vectorFile));
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String line;
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while ((line = in.readLine()) != null) {
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StringTokenizer tok = new StringTokenizer(line, ",");
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long iter = Long.parseLong(tok.nextToken());
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String kOrU = tok.nextToken();
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byte[] value = HexFormat.of().parseHex(tok.nextToken());
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KU entry = testIters.get(iter);
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if (entry == null) {
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entry = new KU();
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testIters.put(iter, entry);
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}
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if (kOrU.equals("k")) {
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entry.k = value;
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} else {
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entry.u = value;
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}
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}
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KU startEntry = testIters.get(start);
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byte[] k = startEntry.k.clone();
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byte[] u = startEntry.u.clone();
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for (long i = start; i <= end; i++) {
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KU curEntry;
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if (i % 1000 == 0 && (curEntry = testIters.get(i)) != null) {
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if (!Arrays.equals(k, curEntry.k)) {
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throw new RuntimeException("At iter " + i + ": expected k: "
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+ HexFormat.of().withUpperCase().formatHex(curEntry.k)
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+ ", computed k: " + HexFormat.of().withUpperCase().formatHex(k));
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}
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if (!Arrays.equals(u, curEntry.u)) {
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throw new RuntimeException("At iter " + i + ": expected u: "
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+ HexFormat.of().withUpperCase().formatHex(curEntry.u)
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+ ", computed u: " + HexFormat.of().withUpperCase().formatHex(u));
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}
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System.out.println(opName + " checkpoint passed at " + i);
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}
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byte[] k_copy = Arrays.copyOf(k, k.length);
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byte[] u_out = ops.encodedPointMultiply(k, u);
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u = k_copy;
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k = u_out;
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}
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}
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}
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