1 /* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.hotspot.test; 24 25 import java.security.MessageDigest; 26 import java.security.NoSuchAlgorithmException; 27 import java.security.NoSuchProviderException; 28 29 import org.junit.Test; 30 import org.junit.internal.AssumptionViolatedException; 31 32 import org.graalvm.compiler.api.test.Graal; 33 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig; 34 import org.graalvm.compiler.hotspot.HotSpotGraalRuntimeProvider; 35 import org.graalvm.compiler.hotspot.replacements.SHA2Substitutions; 36 import org.graalvm.compiler.hotspot.replacements.SHA5Substitutions; 37 import org.graalvm.compiler.hotspot.replacements.SHASubstitutions; 38 import org.graalvm.compiler.runtime.RuntimeProvider; 39 40 import jdk.vm.ci.code.InstalledCode; 41 import jdk.vm.ci.meta.ResolvedJavaMethod; 42 43 /** 44 * Exercise the execution of the SHA digest substitutions. 45 */ 46 public class TestSHASubstitutions extends HotSpotGraalCompilerTest { 47 48 public byte[] testDigest(String name, byte[] data) throws NoSuchAlgorithmException { 49 MessageDigest digest; 50 try { 51 digest = MessageDigest.getInstance(name, "SUN"); 52 digest.update(data); 53 return digest.digest(); 54 } catch (NoSuchProviderException e) { 55 return null; 56 } 57 } 58 59 byte[] getData() { 60 byte[] data = new byte[1024 * 16]; 61 for (int i = 0; i < data.length; i++) { 62 data[i] = (byte) i; 63 } 64 return data; 65 } 66 67 GraalHotSpotVMConfig getConfig() { 68 HotSpotGraalRuntimeProvider rt = (HotSpotGraalRuntimeProvider) Graal.getRequiredCapability(RuntimeProvider.class); 69 return rt.getVMConfig(); 70 } 71 72 @Test 73 public void testSha1() { 74 if (getConfig().useSHA1Intrinsics()) { 75 testWithInstalledIntrinsic("sun.security.provider.SHA", SHASubstitutions.implCompressName, "testDigest", "SHA-1", getData()); 76 } 77 } 78 79 void testWithInstalledIntrinsic(String className, String methodName, String testSnippetName, Object... args) { 80 Class<?> c; 81 try { 82 c = Class.forName(className); 83 } catch (ClassNotFoundException e) { 84 // It's ok to not find the class - a different security provider 85 // may have been installed 86 return; 87 } 88 InstalledCode code = null; 89 try { 90 ResolvedJavaMethod method = getResolvedJavaMethod(testSnippetName); 91 Object receiver = method.isStatic() ? null : this; 92 Result expect = executeExpected(method, receiver, args); 93 code = compileAndInstallSubstitution(c, methodName); 94 assertTrue("Failed to install " + methodName, code != null); 95 testAgainstExpected(method, expect, receiver, args); 96 } catch (AssumptionViolatedException e) { 97 // Suppress so that subsequent calls to this method within the 98 // same Junit @Test annotated method can proceed. 99 } 100 if (code != null) { 101 code.invalidate(); 102 } 103 } 104 105 @Test 106 public void testSha256() { 107 if (getConfig().useSHA256Intrinsics()) { 108 testWithInstalledIntrinsic("sun.security.provider.SHA2", SHA2Substitutions.implCompressName, "testDigest", "SHA-256", getData()); 109 } 110 } 111 112 @Test 113 public void testSha512() { 114 if (getConfig().useSHA512Intrinsics()) { 115 testWithInstalledIntrinsic("sun.security.provider.SHA5", SHA5Substitutions.implCompressName, "testDigest", "SHA-512", getData()); 116 } 117 } 118 119 }