128 lines
5.3 KiB
Java
128 lines
5.3 KiB
Java
/*
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* Copyright (c) 2014, 2022, 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 8057810 8267319
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* @summary New defaults for DSA, RSA, EC keys in jarsigner and keytool
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* @modules java.base/sun.security.pkcs
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* java.base/sun.security.tools.keytool
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* java.base/sun.security.util
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* java.base/sun.security.x509
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* jdk.jartool/sun.security.tools.jarsigner
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* jdk.jartool/sun.tools.jar
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*/
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import sun.security.pkcs.PKCS7;
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import sun.security.util.KeyUtil;
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import java.io.FileInputStream;
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import java.io.InputStream;
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import java.nio.file.Files;
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import java.nio.file.Paths;
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import java.security.KeyStore;
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import java.security.cert.X509Certificate;
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import java.util.jar.*;
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import java.util.Enumeration;
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public class DefaultSigalg {
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public static void main(String[] args) throws Exception {
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// Three test cases
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String[] keyalgs = {"DSA", "RSA", "EC", "RSASSA-PSS"};
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// Expected default keytool sigalg
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String[] sigalgs = {"SHA256withDSA", "SHA384withRSA",
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"SHA384withECDSA", "RSASSA-PSS"};
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// Expected keysizes
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int[] keysizes = {2048, 3072, 384, 3072};
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// Expected jarsigner digest alg used in signature
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String[] digestalgs = {"SHA-256", "SHA-384", "SHA-384", "SHA-384"};
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// Create a jar file
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sun.tools.jar.Main m =
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new sun.tools.jar.Main(System.out, System.err, "jar");
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Files.write(Paths.get("x"), new byte[10]);
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if (!m.run("cvf a.jar x".split(" "))) {
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throw new Exception("jar creation failed");
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}
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// Generate keypairs and sign the jar
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Files.deleteIfExists(Paths.get("jks"));
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for (String keyalg: keyalgs) {
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sun.security.tools.keytool.Main.main(
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("-keystore jks -storepass changeit -keypass changeit " +
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"-dname CN=A -alias " + keyalg + " -genkeypair " +
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"-keyalg " + keyalg).split(" "));
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sun.security.tools.jarsigner.Main.main(
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("-keystore jks -storepass changeit a.jar " + keyalg).split(" "));
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}
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// Check result
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KeyStore ks = KeyStore.getInstance("JKS");
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try (FileInputStream jks = new FileInputStream("jks");
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JarFile jf = new JarFile("a.jar")) {
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ks.load(jks, "changeit".toCharArray());
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for (int i = 0; i<keyalgs.length; i++) {
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String keyalg = keyalgs[i];
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// keytool
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X509Certificate c = (X509Certificate) ks.getCertificate(keyalg);
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String sigalg = c.getSigAlgName();
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if (!sigalg.equals(sigalgs[i])) {
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throw new Exception(
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"keytool sigalg for " + keyalg + " is " + sigalg);
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}
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int keysize = KeyUtil.getKeySize(c.getPublicKey());
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if (keysize != keysizes[i]) {
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throw new Exception(
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"keytool keysize for " + keyalg + " is " + keysize);
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}
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// jarsigner
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// truncated to the first 8 chars if alias name is longer
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String jeName = (keyalg.equals("RSASSA-PSS")? "RSASSA-P.RSA" :
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keyalg + "." + keyalg);
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String bk = "META-INF/" + jeName;
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if (jf.getEntry(bk) == null) {
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System.out.println("JarFile entries:");
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Enumeration<JarEntry> entries = jf.entries();
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while (entries.hasMoreElements()) {
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System.out.println("je: " +
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entries.nextElement().getRealName());
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}
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throw new Exception("Expected jarfile entry name " +
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jeName + " not found");
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}
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try (InputStream is = jf.getInputStream(jf.getEntry(bk))) {
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String digestalg = new PKCS7(is).getSignerInfos()[0]
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.getDigestAlgorithmId().toString();
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if (!digestalg.equals(digestalgs[i])) {
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throw new Exception(
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"jarsigner digest of sig for " + keyalg
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+ " is " + digestalg);
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}
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}
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}
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}
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}
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}
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