1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package org.conscrypt; 18 19 import java.security.Provider; 20 import java.security.Security; 21 import java.util.Arrays; 22 23 import javax.crypto.Mac; 24 import javax.crypto.SecretKey; 25 import javax.crypto.spec.SecretKeySpec; 26 27 import junit.framework.TestCase; 28 29 public class MacTest extends TestCase { 30 public void test_getInstance_OpenSSL_ENGINE() throws Exception { 31 final String secret = "-HMAC-test1"; 32 final byte[] testString = "testing123".getBytes(); 33 34 Provider p = Security.getProvider(OpenSSLProvider.PROVIDER_NAME); 35 NativeCryptoTest.loadTestEngine(); 36 OpenSSLEngine engine = OpenSSLEngine.getInstance(NativeCryptoTest.TEST_ENGINE_ID); 37 38 /* 39 * The "-HMAC-" prefix is a special prefix recognized by 40 * test_openssl_engine.cpp 41 */ 42 SecretKey key1 = engine.getSecretKeyById(secret, "HmacSHA256"); 43 SecretKey key1dupe = engine.getSecretKeyById(secret, "HmacSHA256"); 44 45 /* Non-ENGINE-based SecretKey */ 46 SecretKey key2 = new SecretKeySpec(secret.getBytes(), "HmacSHA256"); 47 48 /* The one that is ENGINE-based can't be equal to a non-ENGINE one. */ 49 assertFalse(key1.equals(key2)); 50 assertEquals(key1, key1dupe); 51 assertNull(key1.getFormat()); 52 assertNull(key1.getEncoded()); 53 assertEquals("RAW", key2.getFormat()); 54 assertEquals(Arrays.toString(secret.getBytes()), Arrays.toString(key2.getEncoded())); 55 56 Mac mac1 = Mac.getInstance("HmacSHA256", p); 57 mac1.init(key1); 58 mac1.update(testString); 59 byte[] output1 = mac1.doFinal(); 60 assertEquals(mac1.getMacLength(), output1.length); 61 62 Mac mac2 = Mac.getInstance("HmacSHA256", p); 63 mac2.init(key2); 64 mac2.update(testString); 65 byte[] output2 = mac2.doFinal(); 66 67 assertEquals(Arrays.toString(output2), Arrays.toString(output1)); 68 } 69 } 70
