Move method to new CoUtils class
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@ -67,6 +67,7 @@
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<Compile Include="deobfuscators\Babel_NET\MemberReferenceConverter.cs" />
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<Compile Include="deobfuscators\Babel_NET\MemberReferenceConverter.cs" />
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<Compile Include="deobfuscators\Babel_NET\MethodBodyReader.cs" />
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<Compile Include="deobfuscators\Babel_NET\MethodBodyReader.cs" />
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<Compile Include="deobfuscators\Babel_NET\MethodReferenceReader.cs" />
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<Compile Include="deobfuscators\Babel_NET\MethodReferenceReader.cs" />
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<Compile Include="deobfuscators\CryptoObfuscator\CoUtils.cs" />
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<Compile Include="deobfuscators\dotNET_Reactor\v4\ProxyCallFixer.cs" />
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<Compile Include="deobfuscators\dotNET_Reactor\v4\ProxyCallFixer.cs" />
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<Compile Include="deobfuscators\ILProtector\MethodReader.cs" />
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<Compile Include="deobfuscators\ILProtector\MethodReader.cs" />
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<Compile Include="deobfuscators\ILProtector\MethodsDecrypter.cs" />
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<Compile Include="deobfuscators\ILProtector\MethodsDecrypter.cs" />
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50
de4dot.code/deobfuscators/CryptoObfuscator/CoUtils.cs
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50
de4dot.code/deobfuscators/CryptoObfuscator/CoUtils.cs
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@ -0,0 +1,50 @@
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/*
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Copyright (C) 2011-2012 de4dot@gmail.com
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This file is part of de4dot.
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de4dot is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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de4dot is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with de4dot. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Collections.Generic;
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using System.Text;
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using Mono.Cecil;
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using de4dot.blocks;
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namespace de4dot.code.deobfuscators.CryptoObfuscator {
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static class CoUtils {
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public static EmbeddedResource getResource(ModuleDefinition module, MethodDefinition method) {
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if (method == null || method.Body == null)
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return null;
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return getResource(module, DotNetUtils.getCodeStrings(method));
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}
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public static EmbeddedResource getResource(ModuleDefinition module, IEnumerable<string> names) {
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foreach (var name in names) {
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var resource = DotNetUtils.getResource(module, name) as EmbeddedResource;
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if (resource != null)
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return resource;
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try {
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resource = DotNetUtils.getResource(module, Encoding.UTF8.GetString(Convert.FromBase64String(name))) as EmbeddedResource;
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if (resource != null)
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return resource;
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}
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catch {
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}
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}
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return null;
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}
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}
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}
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@ -106,26 +106,10 @@ namespace de4dot.code.deobfuscators.CryptoObfuscator {
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if (decrypterType == null)
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if (decrypterType == null)
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return;
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return;
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encryptedResource = getResource(module, DotNetUtils.getCodeStrings(DotNetUtils.getMethod(decrypterType, ".cctor")));
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encryptedResource = CoUtils.getResource(module, DotNetUtils.getCodeStrings(DotNetUtils.getMethod(decrypterType, ".cctor")));
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constantsData = resourceDecrypter.decrypt(encryptedResource.GetResourceStream());
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constantsData = resourceDecrypter.decrypt(encryptedResource.GetResourceStream());
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}
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}
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static EmbeddedResource getResource(ModuleDefinition module, IEnumerable<string> names) {
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foreach (var name in names) {
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var resource = DotNetUtils.getResource(module, name) as EmbeddedResource;
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if (resource != null)
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return resource;
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try {
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resource = DotNetUtils.getResource(module, Encoding.UTF8.GetString(Convert.FromBase64String(name))) as EmbeddedResource;
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if (resource != null)
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return resource;
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}
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catch {
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}
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}
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return null;
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}
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public int decryptInt32(int index) {
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public int decryptInt32(int index) {
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return BitConverter.ToInt32(constantsData, index);
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return BitConverter.ToInt32(constantsData, index);
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}
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}
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