1 /* 2 * Copyright (c) 2012, 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 // program to generate rsakeys.ks. does not need to run during testing 26 // checked into the workspace so that the keystore file can be recreated 27 // in the future if needed. 28 29 // @author Andreas Sterbenz 30 31 import java.io.*; 32 import java.math.BigInteger; 33 import java.util.*; 34 35 import java.security.*; 36 import java.security.cert.*; 37 import java.security.interfaces.*; 38 import java.security.spec.*; 39 40 import sun.security.x509.*; 41 42 public class GenKeyStore { 43 44 static final char[] password = "test12".toCharArray(); 45 getCertificate(String suffix, PublicKey publicKey, PrivateKey privateKey)46 private static X509Certificate getCertificate(String suffix, PublicKey publicKey, PrivateKey privateKey) throws Exception { 47 X500Name name = new X500Name("CN=Dummy Certificate " + suffix); 48 String algorithm = "SHA1with" + publicKey.getAlgorithm(); 49 Date date = new Date(); 50 AlgorithmId algID = AlgorithmId.getAlgorithmId(algorithm); 51 52 X509CertInfo certInfo = new X509CertInfo(); 53 54 certInfo.set(X509CertInfo.VERSION, new CertificateVersion(CertificateVersion.V1)); 55 certInfo.set(X509CertInfo.SERIAL_NUMBER, new CertificateSerialNumber(1)); 56 certInfo.set(X509CertInfo.ALGORITHM_ID, new CertificateAlgorithmId(algID)); 57 certInfo.set(X509CertInfo.SUBJECT, name); 58 certInfo.set(X509CertInfo.ISSUER, name); 59 certInfo.set(X509CertInfo.KEY, new CertificateX509Key(publicKey)); 60 certInfo.set(X509CertInfo.VALIDITY, new CertificateValidity(date, date)); 61 62 X509CertImpl cert = new X509CertImpl(certInfo); 63 cert.sign(privateKey, algorithm); 64 65 return cert; 66 } 67 addToKeyStore(KeyStore ks, KeyPair kp, String name)68 private static void addToKeyStore(KeyStore ks, KeyPair kp, String name) throws Exception { 69 PublicKey pubKey = kp.getPublic(); 70 PrivateKey privKey = kp.getPrivate(); 71 X509Certificate cert = getCertificate(name, pubKey, privKey); 72 ks.setKeyEntry(name, privKey, password, new X509Certificate[] {cert}); 73 } 74 generateKeyPair(KeyStore ks, int keyLength, String alias)75 private static void generateKeyPair(KeyStore ks, int keyLength, String alias) throws Exception { 76 System.out.println("Generating " + keyLength + " keypair " + alias + "..."); 77 KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA", "SunRsaSign"); 78 kpg.initialize(keyLength); 79 KeyPair kp = kpg.generateKeyPair(); 80 addToKeyStore(ks, kp, alias); 81 } 82 83 static KeyStore ks; 84 main(String[] args)85 public static void main(String[] args) throws Exception { 86 long start = System.currentTimeMillis(); 87 88 KeyStore ks = KeyStore.getInstance("JKS"); 89 ks.load(null, null); 90 91 generateKeyPair(ks, 512, "rsa512a"); 92 generateKeyPair(ks, 512, "rsa512b"); 93 generateKeyPair(ks, 1024, "rsa1024a"); 94 generateKeyPair(ks, 1024, "rsa1024b"); 95 generateKeyPair(ks, 2048, "rsa2048a"); 96 generateKeyPair(ks, 2048, "rsa2048b"); 97 generateKeyPair(ks, 4096, "rsa4096a"); 98 99 // only one 4096 bit keys and none longer than that 100 // that would slow down the other tests too much 101 // on old machines 102 // generateKeyPair(ks, 4096, "rsa4096b"); 103 // generateKeyPair(ks, 8192, "rsa8192a"); 104 // generateKeyPair(ks, 8192, "rsa8192b"); 105 106 OutputStream out = new FileOutputStream("rsakeys.ks"); 107 ks.store(out, password); 108 out.close(); 109 110 long stop = System.currentTimeMillis(); 111 System.out.println("Done (" + (stop - start) + " ms)."); 112 } 113 114 } 115