diff --git a/libsodium.sln b/libsodium.sln
index 28fc15b7..e6a8c326 100644
--- a/libsodium.sln
+++ b/libsodium.sln
@@ -7,48 +7,28 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libsodium", "libsodium.vcxp
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|Any CPU = Debug|Any CPU
-		Debug|Mixed Platforms = Debug|Mixed Platforms
 		Debug|Win32 = Debug|Win32
 		Debug|x64 = Debug|x64
-		DebugDLL|Any CPU = DebugDLL|Any CPU
-		DebugDLL|Mixed Platforms = DebugDLL|Mixed Platforms
 		DebugDLL|Win32 = DebugDLL|Win32
 		DebugDLL|x64 = DebugDLL|x64
-		Release|Any CPU = Release|Any CPU
-		Release|Mixed Platforms = Release|Mixed Platforms
 		Release|Win32 = Release|Win32
 		Release|x64 = Release|x64
-		ReleaseDLL|Any CPU = ReleaseDLL|Any CPU
-		ReleaseDLL|Mixed Platforms = ReleaseDLL|Mixed Platforms
 		ReleaseDLL|Win32 = ReleaseDLL|Win32
 		ReleaseDLL|x64 = ReleaseDLL|x64
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.Debug|Any CPU.ActiveCfg = Debug|Win32
-		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.Debug|Mixed Platforms.ActiveCfg = Debug|Win32
-		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.Debug|Mixed Platforms.Build.0 = Debug|Win32
 		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.Debug|Win32.ActiveCfg = Debug|Win32
 		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.Debug|Win32.Build.0 = Debug|Win32
 		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.Debug|x64.ActiveCfg = Debug|x64
 		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.Debug|x64.Build.0 = Debug|x64
-		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.DebugDLL|Any CPU.ActiveCfg = DebugDLL|Win32
-		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.DebugDLL|Mixed Platforms.ActiveCfg = DebugDLL|Win32
-		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.DebugDLL|Mixed Platforms.Build.0 = DebugDLL|Win32
 		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.DebugDLL|Win32.ActiveCfg = DebugDLL|Win32
 		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.DebugDLL|Win32.Build.0 = DebugDLL|Win32
 		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.DebugDLL|x64.ActiveCfg = DebugDLL|x64
 		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.DebugDLL|x64.Build.0 = DebugDLL|x64
-		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.Release|Any CPU.ActiveCfg = Release|Win32
-		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.Release|Mixed Platforms.ActiveCfg = Release|Win32
-		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.Release|Mixed Platforms.Build.0 = Release|Win32
 		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.Release|Win32.ActiveCfg = Release|Win32
 		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.Release|Win32.Build.0 = Release|Win32
 		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.Release|x64.ActiveCfg = Release|x64
 		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.Release|x64.Build.0 = Release|x64
-		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.ReleaseDLL|Any CPU.ActiveCfg = ReleaseDLL|Win32
-		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.ReleaseDLL|Mixed Platforms.ActiveCfg = ReleaseDLL|Win32
-		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.ReleaseDLL|Mixed Platforms.Build.0 = ReleaseDLL|Win32
 		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.ReleaseDLL|Win32.ActiveCfg = ReleaseDLL|Win32
 		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.ReleaseDLL|Win32.Build.0 = ReleaseDLL|Win32
 		{A185B162-6CB6-4502-B03F-B56F7699A8D9}.ReleaseDLL|x64.ActiveCfg = ReleaseDLL|x64
diff --git a/libsodium.vcxproj b/libsodium.vcxproj
index f3823a87..74f5d412 100644
--- a/libsodium.vcxproj
+++ b/libsodium.vcxproj
@@ -101,27 +101,35 @@
   </ImportGroup>
   <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="msvc-scripts\sodium.props" />
   </ImportGroup>
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='DebugDLL|Win32'" Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="msvc-scripts\sodium.props" />
   </ImportGroup>
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="msvc-scripts\sodium.props" />
   </ImportGroup>
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='DebugDLL|x64'" Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="msvc-scripts\sodium.props" />
   </ImportGroup>
   <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="msvc-scripts\sodium.props" />
   </ImportGroup>
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseDLL|Win32'" Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="msvc-scripts\sodium.props" />
   </ImportGroup>
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="msvc-scripts\sodium.props" />
   </ImportGroup>
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseDLL|x64'" Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="msvc-scripts\sodium.props" />
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
@@ -170,8 +178,7 @@
       </PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>inline=__inline;NATIVE_LITTLE_ENDIAN;_CRT_SECURE_NO_WARNINGS;SODIUM_STATIC;SODIUM_EXPORT=;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>$(SolutionDir);$(SolutionDir)\src\libsodium\include\sodium;$(SolutionDir)..\..\..\src\libsodium\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>SODIUM_STATIC;SODIUM_EXPORT=;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DisableSpecificWarnings>4244;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
     </ClCompile>
@@ -179,10 +186,6 @@
       <SubSystem>Console</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
     </Link>
-    <PreBuildEvent>
-      <Command>$(SolutionDir)msvc-scripts\process.bat</Command>
-      <Message>Process .in files</Message>
-    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='DebugDLL|Win32'">
     <ClCompile>
@@ -190,8 +193,7 @@
       </PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;SODIUM_EXPORT=__declspec(dllexport);DLL_EXPORT;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>$(SolutionDir);$(SolutionDir)..\..\..\src\libsodium\include\sodium;$(SolutionDir)..\..\..\src\libsodium\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>SODIUM_EXPORT=__declspec(dllexport);DLL_EXPORT;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DisableSpecificWarnings>4244;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
     </ClCompile>
@@ -199,10 +201,6 @@
       <SubSystem>Console</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
     </Link>
-    <PreBuildEvent>
-      <Command>$(VC_SourcePath)/msvc-scripts/process.bat</Command>
-      <Message>Process .in files</Message>
-    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <ClCompile>
@@ -210,8 +208,7 @@
       </PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;SODIUM_STATIC;SODIUM_EXPORT=;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>$(SolutionDir);$(SolutionDir)..\..\..\src\libsodium\include\sodium;$(SolutionDir)..\..\..\src\libsodium\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>SODIUM_STATIC;SODIUM_EXPORT=;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DisableSpecificWarnings>4244;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
     </ClCompile>
@@ -226,8 +223,7 @@
       </PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;SODIUM_EXPORT=__declspec(dllexport);DLL_EXPORT;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>$(SolutionDir);$(SolutionDir)..\..\..\src\libsodium\include\sodium;$(SolutionDir)..\..\..\src\libsodium\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>SODIUM_EXPORT=__declspec(dllexport);DLL_EXPORT;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DisableSpecificWarnings>4244;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
     </ClCompile>
@@ -244,8 +240,7 @@
       <Optimization>Full</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;SODIUM_STATIC;SODIUM_EXPORT=;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>$(SolutionDir);$(SolutionDir)..\..\..\src\libsodium\include\sodium;$(SolutionDir)..\..\..\src\libsodium\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>SODIUM_STATIC;SODIUM_EXPORT=;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DisableSpecificWarnings>4244;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -256,10 +251,6 @@
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
     </Link>
-    <PreBuildEvent>
-      <Command>$(VC_SourcePath)/msvc-scripts/process.bat</Command>
-      <Message>Process .in files</Message>
-    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseDLL|Win32'">
     <ClCompile>
@@ -269,8 +260,7 @@
       <Optimization>Full</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;SODIUM_EXPORT=__declspec(dllexport);DLL_EXPORT;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>$(SolutionDir);$(SolutionDir)..\..\..\src\libsodium\include\sodium;$(SolutionDir)..\..\..\src\libsodium\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>SODIUM_EXPORT=__declspec(dllexport);DLL_EXPORT;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DisableSpecificWarnings>4244;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
@@ -281,10 +271,6 @@
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
     </Link>
-    <PreBuildEvent>
-      <Command>$(VC_SourcePath)/msvc-scripts/process.bat</Command>
-      <Message>Process .in files</Message>
-    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <ClCompile>
@@ -294,8 +280,7 @@
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;SODIUM_STATIC;SODIUM_EXPORT=;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>$(SolutionDir);$(SolutionDir)..\..\..\src\libsodium\include\sodium;$(SolutionDir)..\..\..\src\libsodium\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>SODIUM_STATIC;SODIUM_EXPORT=;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DisableSpecificWarnings>4244;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
     </ClCompile>
@@ -314,8 +299,7 @@
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;SODIUM_EXPORT=__declspec(dllexport);DLL_EXPORT;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>$(SolutionDir);$(SolutionDir)..\..\..\src\libsodium\include\sodium;$(SolutionDir)..\..\..\src\libsodium\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>SODIUM_EXPORT=__declspec(dllexport);DLL_EXPORT;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DisableSpecificWarnings>4244;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
     </ClCompile>
@@ -418,7 +402,6 @@
     <ClCompile Include="src\libsodium\crypto_hash\sha512\hash_sha512_api.c" />
     <ClCompile Include="src\libsodium\crypto_hash\sha512\ref\hash_sha512.c" />
     <ClCompile Include="src\libsodium\crypto_onetimeauth\crypto_onetimeauth.c" />
-    <ClCompile Include="src\libsodium\crypto_onetimeauth\poly1305\53\verify_poly1305_53.c" />
     <ClCompile Include="src\libsodium\crypto_onetimeauth\poly1305\donna\auth_poly1305_donna.c" />
     <ClCompile Include="src\libsodium\crypto_onetimeauth\poly1305\donna\verify_poly1305_donna.c" />
     <ClCompile Include="src\libsodium\crypto_onetimeauth\poly1305\onetimeauth_poly1305.c" />
diff --git a/libsodium.vcxproj.filters b/libsodium.vcxproj.filters
index 6e494188..dd597287 100644
--- a/libsodium.vcxproj.filters
+++ b/libsodium.vcxproj.filters
@@ -292,9 +292,6 @@
     <ClCompile Include="src\libsodium\crypto_onetimeauth\poly1305\onetimeauth_poly1305_try.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="src\libsodium\crypto_onetimeauth\poly1305\53\verify_poly1305_53.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="src\libsodium\crypto_onetimeauth\poly1305\donna\verify_poly1305_donna.c">
       <Filter>Source Files</Filter>
     </ClCompile>
diff --git a/msvc-scripts/sodium.props b/msvc-scripts/sodium.props
new file mode 100644
index 00000000..568d196d
--- /dev/null
+++ b/msvc-scripts/sodium.props
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ImportGroup Label="PropertySheets" />
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup />
+  <ItemDefinitionGroup>
+    <ClCompile>
+      <AdditionalIncludeDirectories>$(SolutionDir);$(SolutionDir)src\libsodium\include\sodium;$(SolutionDir)src\libsodium\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>inline=__inline;NATIVE_LITTLE_ENDIAN;_CRT_SECURE_NO_WARNINGS;_WINDLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </ClCompile>
+    <PreBuildEvent>
+      <Command>$(SolutionDir)/msvc-scripts/process.bat</Command>
+    </PreBuildEvent>
+    <PreBuildEvent>
+      <Message>Process .in files</Message>
+    </PreBuildEvent>
+  </ItemDefinitionGroup>
+  <ItemGroup />
+</Project>
\ No newline at end of file