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/*
* Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8005408 8079129 8048830
* @summary KeyStore API enhancements
* @run main StoreSecretKeyTest
*/
import java.io.*;
import java.security.*;
import java.security.cert.*;
import java.security.cert.Certificate;
import java.util.*;
import javax.crypto.*;
import javax.crypto.spec.*;
// Store a secret key in a keystore and retrieve it again.
public class StoreSecretKeyTest {
private final static String DIR = System.getProperty("test.src", ".");
private static final char[] PASSWORD = "passphrase".toCharArray();
private static final String KEYSTORE = "keystore.p12";
private static final String CERT = DIR + "/trusted.pem";
private static final String ALIAS = "my trusted cert";
private static final String ALIAS2 = "my secret key";
private enum ALGORITHM {
DES(56),
DESede(168),
AES(128);
final int len;
ALGORITHM(int l) {
len = l;
}
final int getLength() {
return len;
}
}
public static void main(String[] args) throws Exception {
boolean isSecretkeyAlgSupported = false;
// Skip test if AES is unavailable
try {
SecretKeyFactory.getInstance("AES");
} catch (NoSuchAlgorithmException nsae) {
System.out.println("AES is unavailable. Skipping test...");
return;
}
for (ALGORITHM alg : ALGORITHM.values()) {
isSecretkeyAlgSupported |= testSecretKeyAlgorithm(alg);
}
if (!isSecretkeyAlgSupported) {
throw new Exception("None of the SecretKey algorithms is "
+ "supported");
}
}
private static boolean testSecretKeyAlgorithm(ALGORITHM algorithm) throws
Exception {
System.out.println("Testing algorithm : " + algorithm.name());
new File(KEYSTORE).delete();
try {
KeyStore keystore = KeyStore.getInstance("PKCS12");
keystore.load(null, null);
// Set trusted certificate entry
Certificate cert = loadCertificate(CERT);
keystore.setEntry(ALIAS,
new KeyStore.TrustedCertificateEntry(cert), null);
// Set secret key entry
SecretKey secretKey = generateSecretKey(algorithm.name(),
algorithm.len);
if(secretKey == null) {
return false;
}
keystore.setEntry(ALIAS2,
new KeyStore.SecretKeyEntry(secretKey),
new KeyStore.PasswordProtection(PASSWORD));
try (FileOutputStream outStream = new FileOutputStream(KEYSTORE)) {
System.out.println("Storing keystore to: " + KEYSTORE);
keystore.store(outStream, PASSWORD);
}
try (FileInputStream inStream = new FileInputStream(KEYSTORE)) {
System.out.println("Loading keystore from: " + KEYSTORE);
keystore.load(inStream, PASSWORD);
System.out.println("Loaded keystore with " + keystore.size() +
" entries");
}
KeyStore.Entry entry = keystore.getEntry(ALIAS2,
new KeyStore.PasswordProtection(PASSWORD));
System.out.println("Retrieved entry: " + entry);
if (entry instanceof KeyStore.SecretKeyEntry) {
System.out.println("Retrieved secret key entry: " + entry);
} else {
throw new Exception("Not a secret key entry");
}
} catch (KeyStoreException | UnrecoverableKeyException ex) {
System.out.println("Unable to check SecretKey algorithm due to "
+ "exception: " + ex.getMessage());
return false;
}
return true;
}
private static SecretKey generateSecretKey(String algorithm, int size)
throws NoSuchAlgorithmException {
KeyGenerator generator = KeyGenerator.getInstance(algorithm);
generator.init(size);
return generator.generateKey();
}
private static Certificate loadCertificate(String certFile)
throws Exception {
X509Certificate cert = null;
try (FileInputStream certStream = new FileInputStream(certFile)) {
CertificateFactory factory =
CertificateFactory.getInstance("X.509");
return factory.generateCertificate(certStream);
}
}
}
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