| /* |
| * Copyright (c) 2018, 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. |
| */ |
| |
| /* |
| * Actual test code for the package private HKDF implementation |
| */ |
| |
| package sun.security.ssl; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.LinkedList; |
| import java.util.Objects; |
| import java.security.NoSuchAlgorithmException; |
| import java.security.InvalidKeyException; |
| import javax.crypto.SecretKey; |
| import javax.crypto.spec.SecretKeySpec; |
| |
| public class TestHkdf { |
| public static class TestData { |
| public TestData(String name, String algStr, String ikmStr, |
| String saltStr, String infoStr, int oLen, String expPrkStr, |
| String expOkmStr) { |
| testName = Objects.requireNonNull(name); |
| algName = Objects.requireNonNull(algStr); |
| IKM = hex2bin(Objects.requireNonNull(ikmStr)); |
| if ((outLen = oLen) <= 0) { |
| throw new IllegalArgumentException( |
| "Output length must be greater than 0"); |
| } |
| expectedPRK = hex2bin(Objects.requireNonNull(expPrkStr)); |
| expectedOKM = hex2bin(Objects.requireNonNull(expOkmStr)); |
| |
| // Non-mandatory fields - may be null |
| salt = (saltStr != null) ? hex2bin(saltStr) : null; |
| info = (infoStr != null) ? hex2bin(infoStr) : null; |
| } |
| |
| public final String testName; |
| public final String algName; |
| public final byte[] IKM; |
| public final byte[] salt; |
| public final byte[] info; |
| public final int outLen; |
| public final byte[] expectedPRK; |
| public final byte[] expectedOKM; |
| } |
| |
| public static final List<TestData> testList = new LinkedList<TestData>() {{ |
| add(new TestData("RFC 5689 Test Case 1", "SHA-256", |
| "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b", |
| "000102030405060708090a0b0c", |
| "f0f1f2f3f4f5f6f7f8f9", |
| 42, |
| "077709362c2e32df0ddc3f0dc47bba6390b6c73bb50f9c3122ec844ad7c2b3e5", |
| "3cb25f25faacd57a90434f64d0362f2a2d2d0a90cf1a5a4c5db02d56ecc4c5bf" + |
| "34007208d5b887185865")); |
| add(new TestData("RFC 5689 Test Case 2", "SHA-256", |
| "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f" + |
| "202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f" + |
| "404142434445464748494a4b4c4d4e4f", |
| "606162636465666768696a6b6c6d6e6f707172737475767778797a7b7c7d7e7f" + |
| "808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9f" + |
| "a0a1a2a3a4a5a6a7a8a9aaabacadaeaf", |
| "b0b1b2b3b4b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecf" + |
| "d0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeef" + |
| "f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff", |
| 82, |
| "06a6b88c5853361a06104c9ceb35b45cef760014904671014a193f40c15fc244", |
| "b11e398dc80327a1c8e7f78c596a49344f012eda2d4efad8a050cc4c19afa97c" + |
| "59045a99cac7827271cb41c65e590e09da3275600c2f09b8367793a9aca3db71" + |
| "cc30c58179ec3e87c14c01d5c1f3434f1d87")); |
| add(new TestData("RFC 5689 Test Case 3", "SHA-256", |
| "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b", |
| null, null, 42, |
| "19ef24a32c717b167f33a91d6f648bdf96596776afdb6377ac434c1c293ccb04", |
| "8da4e775a563c18f715f802a063c5a31b8a11f5c5ee1879ec3454e5f3c738d2d" + |
| "9d201395faa4b61a96c8")); |
| add(new TestData("RFC 5689 Test Case 4", "SHA-1", |
| "0b0b0b0b0b0b0b0b0b0b0b", |
| "000102030405060708090a0b0c", |
| "f0f1f2f3f4f5f6f7f8f9", |
| 42, |
| "9b6c18c432a7bf8f0e71c8eb88f4b30baa2ba243", |
| "085a01ea1b10f36933068b56efa5ad81a4f14b822f5b091568a9cdd4f155fda2" + |
| "c22e422478d305f3f896")); |
| add(new TestData("RFC 5689 Test Case 5", "SHA-1", |
| "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f" + |
| "202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f" + |
| "404142434445464748494a4b4c4d4e4f", |
| "606162636465666768696a6b6c6d6e6f707172737475767778797a7b7c7d7e7f" + |
| "808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9f" + |
| "a0a1a2a3a4a5a6a7a8a9aaabacadaeaf", |
| "b0b1b2b3b4b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecf" + |
| "d0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeef" + |
| "f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff", |
| 82, |
| "8adae09a2a307059478d309b26c4115a224cfaf6", |
| "0bd770a74d1160f7c9f12cd5912a06ebff6adcae899d92191fe4305673ba2ffe" + |
| "8fa3f1a4e5ad79f3f334b3b202b2173c486ea37ce3d397ed034c7f9dfeb15c5e" + |
| "927336d0441f4c4300e2cff0d0900b52d3b4")); |
| add(new TestData("RFC 5689 Test Case 6", "SHA-1", |
| "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b", |
| null, null, 42, |
| "da8c8a73c7fa77288ec6f5e7c297786aa0d32d01", |
| "0ac1af7002b3d761d1e55298da9d0506b9ae52057220a306e07b6b87e8df21d0" + |
| "ea00033de03984d34918")); |
| add(new TestData("RFC 5689 Test Case 7", "SHA-1", |
| "0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c", |
| null, null, 42, |
| "2adccada18779e7c2077ad2eb19d3f3e731385dd", |
| "2c91117204d745f3500d636a62f64f0ab3bae548aa53d423b0d1f27ebba6f5e5" + |
| "673a081d70cce7acfc48")); |
| }}; |
| |
| public static void main(String args[]) throws Exception { |
| int testsPassed = 0; |
| |
| int testNo = 0; |
| for (TestData test : testList) { |
| System.out.println("*** Test " + ++testNo + ": " + |
| test.testName); |
| if (runVector(test)) { |
| testsPassed++; |
| } |
| } |
| |
| System.out.println("Total tests: " + testList.size() + |
| ", Passed: " + testsPassed + ", Failed: " + |
| (testList.size() - testsPassed)); |
| if (testsPassed != testList.size()) { |
| throw new RuntimeException("One or more tests failed. " + |
| "Check output for details"); |
| } |
| } |
| |
| private static boolean runVector(TestData testData) |
| throws NoSuchAlgorithmException, InvalidKeyException { |
| String kdfName, prfName; |
| HKDF kdfHkdf; |
| boolean result = true; |
| SecretKey actualPRK; |
| SecretKey actualOKM; |
| byte[] deriveData; |
| |
| // Get an instance of the HKDF derivation engine |
| kdfHkdf = new HKDF(testData.algName); |
| |
| // Set up the input keying material and the salt as a secret |
| SecretKey ikmKey = new SecretKeySpec(testData.IKM, "HKDF-IKM"); |
| SecretKey saltKey = (testData.salt != null) ? |
| new SecretKeySpec(testData.salt, "HKDF-Salt") : null; |
| |
| // *** HKDF-Extract-only testing |
| System.out.println("* HKDF-Extract-Only:"); |
| actualPRK = kdfHkdf.extract(saltKey, ikmKey, "HKDF-PRK"); |
| result &= compareKeyAndData(actualPRK, testData.expectedPRK); |
| |
| // *** HKDF Expand-Only testing |
| // For these tests, we'll use the actualPRK as the input key |
| System.out.println("* HKDF-Expand-Only:"); |
| actualOKM = kdfHkdf.expand(actualPRK, testData.info, testData.outLen, |
| "HKDF-OKM"); |
| result &= compareKeyAndData(actualOKM, testData.expectedOKM); |
| |
| // *** HKDF Extract-then-Expand testing |
| // System.out.println("* HKDF-Extract-then-Expand:"); |
| // actualOKM = kdfHkdf.extractExpand(ikmKey, saltKey, testData.info, |
| // testData.outLen, "HKDF-OKM2"); |
| // result &= compareKeyAndData(actualOKM, testData.expectedOKM); |
| |
| return result; |
| } |
| |
| /** |
| * Compare actual key output from HKDF against an expected output value. |
| * |
| * @param outKey the KDF output in key form |
| * @param expectedOut the expected value |
| * |
| * @return true if the underlying data for outKey, outData and |
| * expectedOut are the same. |
| */ |
| private static boolean compareKeyAndData(SecretKey outKey, |
| byte[] expectedOut) { |
| boolean result = false; |
| |
| if (Arrays.equals(outKey.getEncoded(), expectedOut)) { |
| System.out.println("\t* Key output: Pass"); |
| result = true; |
| } else { |
| System.out.println("\t* Key output: FAIL"); |
| System.out.println("Expected:\n" + |
| dumpHexBytes(expectedOut, 16, "\n", " ")); |
| System.out.println("Actual:\n" + |
| dumpHexBytes(outKey.getEncoded(), 16, "\n", " ")); |
| System.out.println(); |
| } |
| |
| return result; |
| } |
| |
| /** |
| * Dump the hex bytes of a buffer into string form. |
| * |
| * @param data The array of bytes to dump to stdout. |
| * @param itemsPerLine The number of bytes to display per line |
| * if the {@code lineDelim} character is blank then all bytes |
| * will be printed on a single line. |
| * @param lineDelim The delimiter between lines |
| * @param itemDelim The delimiter between bytes |
| * |
| * @return The hexdump of the byte array |
| */ |
| private static String dumpHexBytes(byte[] data, int itemsPerLine, |
| String lineDelim, String itemDelim) { |
| StringBuilder sb = new StringBuilder(); |
| if (data != null) { |
| for (int i = 0; i < data.length; i++) { |
| if (i % itemsPerLine == 0 && i != 0) { |
| sb.append(lineDelim); |
| } |
| sb.append(String.format("%02X", data[i])).append(itemDelim); |
| } |
| } |
| |
| return sb.toString(); |
| } |
| |
| private static byte[] hex2bin(String hex) { |
| int i; |
| int len = hex.length(); |
| byte[] data = new byte [len / 2]; |
| for (i = 0; i < len; i += 2) { |
| data[i / 2] = (byte)((Character.digit(hex.charAt(i), 16) << 4) + |
| Character.digit(hex.charAt(i + 1), 16)); |
| } |
| return data; |
| } |
| } |