1 /*
   2  * Copyright (c) 2009, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 6561126
  27  * @summary keytool should use larger default keysize for keypairs
  28  * @modules java.base/sun.security.tools.keytool
  29  * @compile -XDignore.symbol.file NewSize7.java
  30  * @run main NewSize7
  31  */
  32 
  33 import java.io.File;
  34 import java.io.FileInputStream;
  35 import java.nio.file.Files;
  36 import java.nio.file.Paths;
  37 import java.security.KeyStore;
  38 import java.security.cert.X509Certificate;
  39 import java.security.interfaces.RSAPublicKey;
  40 
  41 public class NewSize7 {
  42     public static void main(String[] args) throws Exception {
  43         String FILE = "newsize7-ks";
  44         new File(FILE).delete();
  45         sun.security.tools.keytool.Main.main(("-debug -genkeypair -keystore " +
  46                 FILE +
  47                 " -alias a -dname cn=c -storepass changeit" +
  48                 " -keypass changeit -keyalg rsa").split(" "));
  49         KeyStore ks = KeyStore.getInstance("JKS");
  50         try (FileInputStream fin = new FileInputStream(FILE)) {
  51             ks.load(fin, "changeit".toCharArray());
  52         }
  53         Files.delete(Paths.get(FILE));
  54         RSAPublicKey r = (RSAPublicKey)ks.getCertificate("a").getPublicKey();
  55         if (r.getModulus().bitLength() != 2048) {
  56             throw new Exception("Bad keysize");
  57         }
  58         X509Certificate x = (X509Certificate)ks.getCertificate("a");
  59         if (!x.getSigAlgName().equals("SHA256withRSA")) {
  60             throw new Exception("Bad sigalg");
  61         }
  62     }
  63 }