Fixed #17.

Obfuscar/Obfuscator.cs

@@ -1287,6 +1287,10 @@ public void PostProcessing ()
 
 				var module = info.Definition.MainModule;
 				var attribute = new TypeReference ("System.Runtime.CompilerServices", "SuppressIldasmAttribute", module, module.TypeSystem.Corlib).Resolve ();
+				var reference = module.TypeSystem.Corlib as AssemblyNameReference;
+				if (attribute.Module.Assembly.FullName != reference.FullName)
+					return;
+
 				CustomAttribute found = null;
 				foreach (CustomAttribute existing in module.CustomAttributes)
 				{

Tests/ObfuscarTests.csproj

@@ -69,6 +69,7 @@
     <Compile Include="BamlTests.cs" />
     <Compile Include="CustomAttributeTests.cs" />
     <Compile Include="FunctionOverridingTests.cs" />
+    <Compile Include="PortableTests.cs" />
     <Compile Include="SigningTests.cs" />
     <Compile Include="SkipNestedTypeTests.cs" />
     <Compile Include="SkipVirtualMethodTest.cs" />

Tests/PortableTests.cs

@@ -0,0 +1,72 @@
+#region Copyright (c) 2007 Ryan Williams <[email protected]>
+/// <copyright>
+/// Copyright (c) 2007 Ryan Williams <[email protected]>
+/// 
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+/// </copyright>
+#endregion
+
+using System;
+using System.IO;
+using System.Collections.Generic;
+using System.Text;
+using System.CodeDom.Compiler;
+
+using NUnit.Framework;
+using Mono.Cecil;
+using Obfuscar;
+using System.Linq;
+
+namespace ObfuscarTests
+{
+    [TestFixture]
+    public class PortableTests
+    {
+        [Test]
+        public void CheckPortable()
+        {
+            string xml = string.Format(
+                @"<?xml version='1.0'?>" +
+                @"<Obfuscator>" +
+                @"<Var name='InPath' value='{0}' />" +
+                @"<Var name='OutPath' value='{1}' />" +
+                @"<Var name='HideStrings' value='false' />" +
+                @"<Var name='KeyFile' value='$(InPath)\..\dockpanelsuite.snk' />" +
+                @"<Module file='$(InPath)\SharpSnmpLib.Portable.dll' />" +
+                @"</Obfuscator>", TestHelper.InputPath, TestHelper.OutputPath);
+
+            TestHelper.CleanInput();
+
+            // build it with the keyfile option (embeds the public key, and signs the assembly)
+            File.Copy(Path.Combine(TestHelper.InputPath, @"..\SharpSnmpLib.Portable.dll"), Path.Combine(TestHelper.InputPath, "SharpSnmpLib.Portable.dll"));
+
+            var map = TestHelper.Obfuscate(xml).Mapping;
+
+            AssemblyDefinition inAssmDef = AssemblyDefinition.ReadAssembly(
+                Path.Combine(TestHelper.InputPath, "SharpSnmpLib.Portable.dll"));
+
+            AssemblyDefinition outAssmDef = AssemblyDefinition.ReadAssembly(
+                Path.Combine(TestHelper.OutputPath, "SharpSnmpLib.Portable.dll"));
+
+            var corlibs = outAssmDef.MainModule.AssemblyReferences.Where(reference => reference.Name == "mscorlib");
+            Assert.AreEqual(1, corlibs.Count());
+            Assert.AreEqual("2.0.5.0", corlibs.First().Version.ToString());
+        }
+    }
+}

ThirdParty/SharedAssemblyInfo.cs

@@ -7,8 +7,8 @@
 // You can specify all the values or you can use the default the Revision and
 // Build Numbers by using the '*' as shown below:
 
-[assembly: AssemblyVersion("2.0.010629.00")]
+[assembly: AssemblyVersion("2.0.010903.03")]
 [assembly: AssemblyProduct("Obfuscar 2.0 RC")]
 #if (!CF)
-[assembly: AssemblyFileVersion("2.0.010629.00")]
+[assembly: AssemblyFileVersion("2.0.010903.03")]
 #endif