| /* |
| * Copyright (c) 2015, 2017, 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. |
| */ |
| |
| import static java.lang.System.out; |
| import java.nio.ByteBuffer; |
| import java.security.MessageDigest; |
| import java.security.NoSuchAlgorithmException; |
| import java.security.Security; |
| import jdk.test.lib.RandomFactory; |
| |
| /** |
| * @test |
| * @bug 8050371 8156059 |
| * @summary Check md.getDigestLength() equal digest output length with various |
| * algorithm/dataLen/(update,digest methods). |
| * @author Kevin Liu |
| * @key randomness |
| * @library /test/lib |
| * @build jdk.test.lib.RandomFactory |
| * @run main TestSameLength |
| */ |
| |
| public class TestSameLength { |
| |
| public static void main(String[] args) throws Exception { |
| TestSameLength test = new TestSameLength(); |
| test.run(); |
| } |
| |
| private void run() throws Exception { |
| String[] algorithmArr = { "SHA", "Sha", "SHA-1", "sha-1", "SHA1", |
| "sha1", "MD5", "md5", "SHA-224", "SHA-256", "SHA-384", |
| "SHA-512", "SHA3-224", "SHA3-256", "SHA3-384", "SHA3-512" }; |
| int[] nUpdatesArr = { 0, 1, 2, 3 }; |
| int[] dataLenArr = { 1, 50, 2500, 125000, 6250000 }; |
| |
| for (String algorithm : algorithmArr) { |
| for (UpdateMethod update : UpdateMethod.values()) { |
| for (int dataLen : dataLenArr) { |
| if (!runTest(algorithm, dataLen, update)) { |
| throw new RuntimeException( |
| "Test failed at algorithm/dataLen/numUpdate:" |
| + algorithm + "/" + dataLen + "/" |
| + update.toString()); |
| } |
| } |
| } |
| } |
| |
| out.println("All " |
| + algorithmArr.length * nUpdatesArr.length * dataLenArr.length |
| + " tests Passed"); |
| } |
| |
| private boolean runTest(String algo, long dataLen, UpdateMethod whichUpdate) |
| throws Exception { |
| try { |
| // Do initialization |
| byte[] data = new byte[(int) dataLen]; |
| RandomFactory.getRandom().nextBytes(data); |
| MessageDigest md = MessageDigest.getInstance(algo); |
| int outputLen = md.getDigestLength(); |
| |
| // Perform the update using all available/possible update methods |
| whichUpdate.updateDigest(data, md, dataLen); |
| // Get the output |
| byte[] output = md.digest(); |
| |
| // Compare input and output |
| return outputLen == output.length; |
| } catch (NoSuchAlgorithmException nae) { |
| if (algo.startsWith("SHA3") && !isSHA3supported()) { |
| return true; |
| } |
| throw nae; |
| } catch (Exception ex) { |
| System.err.println("Testing: " + algo + "/" + dataLen + "/" |
| + whichUpdate.toString() |
| + " failed with unexpected exception"); |
| ex.printStackTrace(); |
| throw ex; |
| } |
| } |
| |
| // SHA-3 hash algorithms are only supported by "SUN" provider |
| // and "OracleUcrypto" provider on Solaris 12.0 or later |
| // This method checks if system supports SHA-3 |
| private boolean isSHA3supported() { |
| if (Security.getProvider("SUN") != null) { |
| return true; |
| } |
| if (Security.getProvider("OracleUcrypto") != null |
| && "SunOS".equals(System.getProperty("os.name")) |
| && System.getProperty("os.version").compareTo("5.12") >= 0) { |
| return true; |
| } |
| return false; |
| } |
| |
| private static enum UpdateMethod { |
| UPDATE_BYTE { |
| @Override |
| public void updateDigest(byte[] data, MessageDigest md, |
| long dataLen) { |
| |
| for (int i = 0; i < dataLen; i++) { |
| md.update(data[i]); |
| } |
| } |
| }, |
| |
| UPDATE_BUFFER { |
| @Override |
| public void updateDigest(byte[] data, MessageDigest md, |
| long dataLen) { |
| |
| md.update(data); |
| } |
| }, |
| |
| UPDATE_BUFFER_LEN { |
| @Override |
| public void updateDigest(byte[] data, MessageDigest md, |
| long dataLen) { |
| |
| for (int i = 0; i < dataLen; i++) { |
| md.update(data, i, 1); |
| } |
| } |
| }, |
| |
| UPDATE_BYTE_BUFFER { |
| @Override |
| public void updateDigest(byte[] data, MessageDigest md, |
| long dataLen) { |
| |
| md.update(ByteBuffer.wrap(data)); |
| } |
| }; |
| |
| public abstract void updateDigest(byte[] data, MessageDigest md, |
| long dataLen); |
| } |
| } |