| /* |
| * Copyright (c) 2013, 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 8008296 |
| * @summary Store and retrieve user passwords using PKCS#12 keystore |
| */ |
| |
| import java.io.*; |
| import java.security.*; |
| import java.util.*; |
| import javax.crypto.*; |
| import javax.crypto.spec.*; |
| |
| /* |
| * Store and retrieve passwords protected by a selection of PBE algorithms, |
| * using a PKCS#12 keystore. |
| */ |
| public class StorePasswords { |
| |
| private static final String[] PBE_ALGORITHMS = new String[] { |
| "default PBE algorithm", |
| "PBEWithMD5AndDES", |
| "PBEWithSHA1AndDESede", |
| "PBEWithSHA1AndRC2_40", |
| "PBEWithSHA1AndRC2_128", |
| "PBEWithSHA1AndRC4_40", |
| "PBEWithSHA1AndRC4_128", |
| "PBEWithHmacSHA1AndAES_128", |
| "PBEWithHmacSHA224AndAES_128", |
| "PBEWithHmacSHA256AndAES_128", |
| "PBEWithHmacSHA384AndAES_128", |
| "PBEWithHmacSHA512AndAES_128", |
| "PBEWithHmacSHA1AndAES_256", |
| "PBEWithHmacSHA224AndAES_256", |
| "PBEWithHmacSHA256AndAES_256", |
| "PBEWithHmacSHA384AndAES_256", |
| "PBEWithHmacSHA512AndAES_256" |
| }; |
| |
| private static final String KEYSTORE = "mykeystore.p12"; |
| private static final char[] KEYSTORE_PWD = "changeit".toCharArray(); |
| private static final char[] ENTRY_PWD = "protectit".toCharArray(); |
| private static final char[] USER_PWD = "hello1".toCharArray(); |
| |
| public static void main(String[] args) throws Exception { |
| |
| new File(KEYSTORE).delete(); |
| |
| int storeCount = store(); |
| int recoverCount = recover(); |
| |
| if (recoverCount != storeCount) { |
| throw new Exception("Stored " + storeCount + " user passwords, " + |
| "recovered " + recoverCount + " user passwords"); |
| } |
| System.out.println("\nStored " + storeCount + " user passwords, " + |
| "recovered " + recoverCount + " user passwords"); |
| |
| new File(KEYSTORE).delete(); |
| } |
| |
| private static int store() throws Exception { |
| int count = 0; |
| // Load an empty PKCS#12 keystore |
| KeyStore keystore = KeyStore.getInstance("PKCS12"); |
| System.out.println("\nLoading PKCS#12 keystore..."); |
| keystore.load(null, null); |
| |
| // Derive a PBE key from the password |
| PBEKeySpec keySpec = new PBEKeySpec(USER_PWD); |
| SecretKeyFactory factory = SecretKeyFactory.getInstance("PBE"); |
| SecretKey key = factory.generateSecret(keySpec); |
| PBEParameterSpec specWithEightByteSalt = |
| new PBEParameterSpec("NaClNaCl".getBytes(), 1024); |
| |
| // Store the user password in a keystore entry (for each algorithm) |
| for (String algorithm : PBE_ALGORITHMS) { |
| |
| try { |
| System.out.println("Storing user password '" + |
| new String(USER_PWD) + "' (protected by " + algorithm + |
| ")"); |
| |
| if (algorithm.equals("default PBE algorithm")) { |
| keystore.setKeyEntry( |
| "this entry is protected by " + algorithm, key, |
| ENTRY_PWD, null); |
| } else { |
| keystore.setEntry( |
| "this entry is protected by " + algorithm, |
| new KeyStore.SecretKeyEntry(key), |
| new KeyStore.PasswordProtection(ENTRY_PWD, algorithm, |
| null)); |
| } |
| count++; |
| |
| } catch (KeyStoreException e) { |
| Throwable inner = e.getCause(); |
| if (inner instanceof UnrecoverableKeyException) { |
| Throwable inner2 = inner.getCause(); |
| if (inner2 instanceof InvalidAlgorithmParameterException) { |
| System.out.println("...re-trying due to: " + |
| inner2.getMessage()); |
| |
| // Some PBE algorithms demand an 8-byte salt |
| keystore.setEntry( |
| "this entry is protected by " + algorithm, |
| new KeyStore.SecretKeyEntry(key), |
| new KeyStore.PasswordProtection(ENTRY_PWD, |
| algorithm, specWithEightByteSalt)); |
| count++; |
| |
| } else if (inner2 instanceof InvalidKeyException) { |
| System.out.println("...skipping due to: " + |
| inner2.getMessage()); |
| // Unsupported crypto keysize |
| continue; |
| } |
| } else { |
| throw e; |
| } |
| } |
| } |
| |
| // Store the PKCS#12 keystore |
| System.out.println("Storing PKCS#12 keystore to: " + KEYSTORE); |
| try (FileOutputStream out = new FileOutputStream(KEYSTORE)) { |
| keystore.store(out, KEYSTORE_PWD); |
| } |
| |
| return count; |
| } |
| |
| private static int recover() throws Exception { |
| int count = 0; |
| // Load the PKCS#12 keystore |
| KeyStore keystore = KeyStore.getInstance("PKCS12"); |
| System.out.println("\nLoading PKCS#12 keystore from: " + KEYSTORE); |
| try (FileInputStream in = new FileInputStream(KEYSTORE)) { |
| keystore.load(in, KEYSTORE_PWD); |
| } |
| |
| SecretKey key; |
| SecretKeyFactory factory; |
| PBEKeySpec keySpec; |
| |
| // Retrieve each user password from the keystore |
| for (String algorithm : PBE_ALGORITHMS) { |
| key = (SecretKey) keystore.getKey("this entry is protected by " + |
| algorithm, ENTRY_PWD); |
| |
| if (key != null) { |
| count++; |
| factory = SecretKeyFactory.getInstance(key.getAlgorithm()); |
| keySpec = |
| (PBEKeySpec) factory.getKeySpec(key, PBEKeySpec.class); |
| char[] pwd = keySpec.getPassword(); |
| System.out.println("Recovered user password '" + |
| new String(pwd) + "' (protected by " + algorithm + ")"); |
| |
| if (!Arrays.equals(USER_PWD, pwd)) { |
| throw new Exception("Failed to recover the user password " + |
| "protected by " + algorithm); |
| } |
| } |
| } |
| |
| return count; |
| } |
| } |