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The BSD License Copyright (c) 2010-2012 RIPE NCC All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. - Neither the name of the RIPE NCC nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 package net.ripe.rpki.commons.crypto.util;
Caches generated keys in a key store so that they can be reused in the next test run. FOR TESTING ONLY!
 public final class PregeneratedKeyPairFactory extends KeyPairFactory {
     private static final PregeneratedKeyPairFactory INSTANCE = new PregeneratedKeyPairFactory("SunRsaSign");
     private static final char[] PASSPHRASE = "passphrase".toCharArray();
     private File keyStoreFile = new File(".pregenerated-test-key-pairs.keystore");
     private KeyStore pregeneratedKeys;
     private int count = 0;
     private PregeneratedKeyPairFactory(String provider) {
     private void initKeyStore() {
         InputStream input;
         try {
             input = new FileInputStream();
         } catch (FileNotFoundException e) {
             input = null;
         try {
              = KeyStore.getInstance("JKS""SUN");
         } catch (Exception e) {
             throw new RuntimeException(e);
         } finally {
     public static PregeneratedKeyPairFactory getInstance() {
         return ;
     public KeyPairFactory withProvider(String provider) {
         return this;
     public synchronized KeyPair generate() {
         try {
            String alias = "key_" + ;
            PrivateKey key = (PrivateKey.getKey(alias);
            KeyPair result;
            if (key == null) {
                result = super.generate();
                .setKeyEntry(aliasresult.getPrivate(), new Certificate[]{createCertificate(result).getCertificate()});
                OutputStream output = new FileOutputStream();
                try {
                } finally {
            } else {
                Certificate certificate = .getCertificateChain(alias)[0];
                result = new KeyPair(certificate.getPublicKey(), key);
            return result;
        } catch (Exception e) {
            throw new RuntimeException(e);
    private static X509ResourceCertificate createCertificate(KeyPair keyPair) {
        builder.withValidityPeriod(new ValidityPeriod(new DateTime().minusYears(2), new DateTime().minusYears(1)));
        builder.withIssuerDN(new X500Principal("CN=issuer"));
        builder.withSubjectDN(new X500Principal("CN=subject"));
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