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annotate graal/com.oracle.graal.hotspot.test/src/com/oracle/graal/hotspot/test/HotSpotCryptoSubstitutionTest.java @ 19001:5a79fa76b489

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Run eclipse format.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Wed, 28 Jan 2015 04:05:07 +0100
parents cdb9c605051a
children cd6821e84e59
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.hotspot.test;
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24
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25 import java.io.*;
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26 import java.lang.reflect.*;
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27 import java.security.*;
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28
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29 import javax.crypto.*;
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30
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31 import org.junit.*;
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32
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33 import com.oracle.graal.api.code.*;
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34 import com.oracle.graal.api.meta.*;
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35 import com.oracle.graal.hotspot.*;
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36 import com.oracle.graal.hotspot.bridge.CompilerToVM.CodeInstallResult;
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37 import com.oracle.graal.hotspot.meta.*;
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38 import com.oracle.graal.nodes.*;
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39
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40 /**
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41 * Tests the intrinsification of certain crypto methods.
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42 */
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43 public class HotSpotCryptoSubstitutionTest extends HotSpotGraalCompilerTest {
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44
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45 @Override
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46 protected InstalledCode addMethod(ResolvedJavaMethod method, CompilationResult compResult) {
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47 HotSpotResolvedJavaMethod hsMethod = (HotSpotResolvedJavaMethod) method;
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48 HotSpotNmethod installedCode = new HotSpotNmethod(hsMethod, compResult.getName(), true);
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49 HotSpotCompiledNmethod compiledNmethod = new HotSpotCompiledNmethod(hsMethod, compResult);
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50 CodeInstallResult result = runtime().getCompilerToVM().installCode(compiledNmethod, installedCode, null);
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51 Assert.assertEquals("Error installing method " + method + ": " + result, result, CodeInstallResult.OK);
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52
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53 // HotSpotRuntime hsRuntime = (HotSpotRuntime) getCodeCache();
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54 // TTY.println(hsMethod.toString());
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55 // TTY.println(hsRuntime.disassemble(installedCode));
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56 return installedCode;
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57 }
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58
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59 @Test
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60 public void testEncryptSubstitution() throws Exception {
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61 byte[] seed = {0x4, 0x7, 0x1, 0x1};
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62 SecureRandom random = new SecureRandom(seed);
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63 KeyGenerator aesKeyGen = KeyGenerator.getInstance("AES");
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64 KeyGenerator desKeyGen = KeyGenerator.getInstance("DESede");
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65 aesKeyGen.init(128, random);
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66 desKeyGen.init(168, random);
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67 SecretKey aesKey = aesKeyGen.generateKey();
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68 SecretKey desKey = desKeyGen.generateKey();
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69 byte[] input = readClassfile16(getClass());
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70
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71 ByteArrayOutputStream aesExpected = new ByteArrayOutputStream();
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72 aesExpected.write(runEncryptDecrypt(aesKey, "AES/CBC/NoPadding", input));
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73 aesExpected.write(runEncryptDecrypt(aesKey, "AES/CBC/PKCS5Padding", input));
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74
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75 if (compileAndInstall("com.sun.crypto.provider.AESCrypt", "encryptBlock", "decryptBlock")) {
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76 ByteArrayOutputStream actual = new ByteArrayOutputStream();
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77 actual.write(runEncryptDecrypt(aesKey, "AES/CBC/NoPadding", input));
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78 actual.write(runEncryptDecrypt(aesKey, "AES/CBC/PKCS5Padding", input));
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79 Assert.assertArrayEquals(aesExpected.toByteArray(), actual.toByteArray());
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80 }
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81
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82 ByteArrayOutputStream desExpected = new ByteArrayOutputStream();
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83 desExpected.write(runEncryptDecrypt(desKey, "DESede/CBC/NoPadding", input));
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84 desExpected.write(runEncryptDecrypt(desKey, "DESede/CBC/PKCS5Padding", input));
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85
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86 if (compileAndInstall("com.sun.crypto.provider.CipherBlockChaining", "encrypt", "decrypt")) {
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87 ByteArrayOutputStream actual = new ByteArrayOutputStream();
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88 actual.write(runEncryptDecrypt(aesKey, "AES/CBC/NoPadding", input));
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89 actual.write(runEncryptDecrypt(aesKey, "AES/CBC/PKCS5Padding", input));
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90 Assert.assertArrayEquals(aesExpected.toByteArray(), actual.toByteArray());
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91
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92 actual.reset();
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93 actual.write(runEncryptDecrypt(desKey, "DESede/CBC/NoPadding", input));
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94 actual.write(runEncryptDecrypt(desKey, "DESede/CBC/PKCS5Padding", input));
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95 Assert.assertArrayEquals(desExpected.toByteArray(), actual.toByteArray());
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96 }
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97 }
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98
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99 /**
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100 * Compiles and installs the substitution for some specified methods. Once installed, the next
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101 * execution of the methods will use the newly installed code.
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102 *
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103 * @param className the name of the class for which substitutions are available
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104 * @param methodNames the names of the substituted methods
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105 * @return true if at least one substitution was compiled and installed
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106 */
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107 private boolean compileAndInstall(String className, String... methodNames) {
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108 boolean atLeastOneCompiled = false;
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109 for (String methodName : methodNames) {
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110 Method method = lookup(className, methodName);
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111 if (method != null) {
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112 ResolvedJavaMethod installedCodeOwner = getMetaAccess().lookupJavaMethod(method);
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113 StructuredGraph subst = getReplacements().getMethodSubstitution(installedCodeOwner);
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114 if (subst != null) {
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115 StructuredGraph graph = subst.copy();
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116 Assert.assertNotNull(getCode(installedCodeOwner, graph, true));
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117 atLeastOneCompiled = true;
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118 } else {
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119 Assert.assertFalse(runtime().getConfig().useAESIntrinsics);
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120 }
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121 }
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122 }
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123 return atLeastOneCompiled;
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124 }
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125
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126 private static Method lookup(String className, String methodName) {
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127 Class<?> c;
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128 try {
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129 c = Class.forName(className);
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130 for (Method m : c.getDeclaredMethods()) {
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131 if (m.getName().equals(methodName)) {
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132 return m;
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133 }
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134 }
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135 // If the expected security provider exists, the specific method should also exist
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136 throw new NoSuchMethodError(className + "." + methodName);
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137 } catch (ClassNotFoundException e) {
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138 // It's ok to not find the class - a different security provider
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139 // may have been installed
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140 return null;
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141 }
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142 }
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143
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144 AlgorithmParameters algorithmParameters;
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145
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146 private byte[] encrypt(byte[] indata, SecretKey key, String algorithm) throws Exception {
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147
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148 byte[] result = indata;
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149
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150 Cipher c = Cipher.getInstance(algorithm);
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151 c.init(Cipher.ENCRYPT_MODE, key);
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152 algorithmParameters = c.getParameters();
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153
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154 byte[] r1 = c.update(result);
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155 byte[] r2 = c.doFinal();
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156
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157 result = new byte[r1.length + r2.length];
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158 System.arraycopy(r1, 0, result, 0, r1.length);
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159 System.arraycopy(r2, 0, result, r1.length, r2.length);
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160
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161 return result;
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162 }
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163
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164 private byte[] decrypt(byte[] indata, SecretKey key, String algorithm) throws Exception {
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165
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166 byte[] result = indata;
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167
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168 Cipher c = Cipher.getInstance(algorithm);
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169 c.init(Cipher.DECRYPT_MODE, key, algorithmParameters);
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170
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171 byte[] r1 = c.update(result);
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172 byte[] r2 = c.doFinal();
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173
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174 result = new byte[r1.length + r2.length];
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175 System.arraycopy(r1, 0, result, 0, r1.length);
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176 System.arraycopy(r2, 0, result, r1.length, r2.length);
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177 return result;
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178 }
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179
15040
288c23143d47 Fix most raw type references.
Josef Eisl <josef.eisl@jku.at>
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180 private static byte[] readClassfile16(Class<? extends HotSpotCryptoSubstitutionTest> c) throws IOException {
9766
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181 String classFilePath = "/" + c.getName().replace('.', '/') + ".class";
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182 InputStream stream = c.getResourceAsStream(classFilePath);
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183 int bytesToRead = stream.available();
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184 bytesToRead -= bytesToRead % 16;
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185 byte[] classFile = new byte[bytesToRead];
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186 new DataInputStream(stream).readFully(classFile);
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187 return classFile;
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188 }
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189
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190 public byte[] runEncryptDecrypt(SecretKey key, String algorithm, byte[] input) throws Exception {
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191 byte[] indata = input.clone();
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192 byte[] cipher = encrypt(indata, key, algorithm);
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193 byte[] plain = decrypt(cipher, key, algorithm);
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194 Assert.assertArrayEquals(indata, plain);
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195 return plain;
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196 }
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197 }