Now pass the mac functions when no support exists
diff --git a/.gitignore b/.gitignore
index 94ef967..5dafb6f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -54,6 +54,7 @@
 *.suo
 *.vcxproj
 *.vcxproj.filters
+*.vcxproj.user
 *.opensdf
 *.VC.db
 *.VC.opendb
diff --git a/CMakeLists.txt b/CMakeLists.txt
index bc1146d..96967d4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -106,7 +106,7 @@
 ExternalProject_Add(
   project_cn-cbor
   GIT_REPOSITORY https://github.com/jimsch/cn-cbor
-  GIT_TAG PrettyPrint
+  GIT_TAG complete
   CMAKE_ARGS -Doptimize=OFF -Duse_context=${use_context} -Dbuild_docs=OFF -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR> -Dcoveralls=OFF -Dbuild_shared_libs=${build_shared_libs} -Dfatal_warnings=OFF
   INSTALL_DIR "${dist_dir}"
   UPDATE_DISCONNECTED 1
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 4311f1b..7322d27 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -35,6 +35,10 @@
     target_link_libraries ( cose-c PRIVATE embedtls )
 endif()
 
+if ( MSVC )
+    target_link_libraries( cose-c PRIVATE ws2_32 )
+endif ()
+
 install ( TARGETS cose-c
 	LIBRARY DESTINATION lib
 	ARCHIVE DESTINATION lib
diff --git a/test/mac_test.c b/test/mac_test.c
index eb288af..9c9dd4d 100644
--- a/test/mac_test.c
+++ b/test/mac_test.c
@@ -26,6 +26,8 @@
 	int iRecipient;
 	bool fFail = false;
 	bool fFailBody = false;
+	bool fAlgNoSupport = false;
+	int returnCode = 1;
 
 	pFail = cn_cbor_mapget_string(pControl, "fail");
 	if ((pFail != NULL) && (pFail->type == CN_CBOR_TRUE)) {
@@ -33,7 +35,9 @@
 	}
 
 	hMAC = (HCOSE_MAC) COSE_Decode(pbEncoded, cbEncoded, &type, COSE_mac_object, CBOR_CONTEXT_PARAM_COMMA NULL);
-	if (hMAC == NULL) if (fFailBody) return 0; else goto failTest;
+	if (hMAC == NULL) {
+            if (fFailBody) return 0; else goto failTest;
+        }
 
 	if ((pInput == NULL) || (pInput->type != CN_CBOR_MAP)) goto failTest;
 	pMac = cn_cbor_mapget_string(pInput, "mac");
@@ -74,11 +78,24 @@
 		}
 
 		pFail = cn_cbor_mapget_string(pRecipients, "fail");
+
+		cn_cbor * alg = COSE_Mac_map_get_int(hMAC, COSE_Header_Algorithm, COSE_BOTH, NULL);
+		if (!IsAlgorithmSupported(alg->v.sint)) fAlgNoSupport = true;
+
+		alg = COSE_Recipient_map_get_int(hRecip, COSE_Header_Algorithm, COSE_BOTH, NULL);
+		if (!IsAlgorithmSupported(alg->v.sint)) fAlgNoSupport = true;
+
 		if (COSE_Mac_validate(hMAC, hRecip, NULL)) {
-			if ((pFail != NULL) && (pFail->type != CN_CBOR_TRUE)) fFail = true;
+			if (fAlgNoSupport) {
+				fFail = true;
+			}
+			else if ((pFail != NULL) && (pFail->type != CN_CBOR_TRUE)) fFail = true;
 		}
 		else {
-			if ((pFail == NULL) || (pFail->type == CN_CBOR_FALSE)) fFail = true;
+			if (fAlgNoSupport) {
+				returnCode = 0;
+			}
+			else if ((pFail == NULL) || (pFail->type == CN_CBOR_FALSE)) fFail = true;
 		}
 
 		COSE_Recipient_Free(hRecip);
@@ -92,7 +109,7 @@
 	}
 
 	if (fFail) CFails += 1;
-	return 0;
+	return returnCode;
 
 failTest:
 	CFails += 1;
@@ -263,6 +280,7 @@
 	int type;
 	bool fFail = false;
 	bool fFailBody = false;
+	bool fUnsuportedAlg = false;
 
 	pFail = cn_cbor_mapget_string(pControl, "fail");
 	if ((pFail != NULL) && (pFail->type == CN_CBOR_TRUE)) {
@@ -270,7 +288,9 @@
 	}
 
 	hMAC = (HCOSE_MAC0)COSE_Decode(pbEncoded, cbEncoded, &type, COSE_mac0_object, CBOR_CONTEXT_PARAM_COMMA NULL);
-	if (hMAC == NULL) if (fFailBody) return 0; else goto errorReturn;
+	if (hMAC == NULL) {
+		if (fFailBody) return 0; else goto errorReturn;
+	}
 
 	if ((pInput == NULL) || (pInput->type != CN_CBOR_MAP)) goto errorReturn;
 	pMac = cn_cbor_mapget_string(pInput, "mac0");
@@ -284,20 +304,30 @@
 	pRecipients = pRecipients->first_child;
 
 	cn_cbor * pkey = BuildKey(cn_cbor_mapget_string(pRecipients, "key"), true);
-		if (pkey == NULL) {
+	if (pkey == NULL) {
+		fFail = true;
+		goto exitHere;
+	}
+
+	cn_cbor *k = cn_cbor_mapget_int(pkey, -1);
+
+	cn_cbor * alg = COSE_Mac0_map_get_int(hMAC, COSE_Header_Algorithm, COSE_BOTH, NULL);
+	if (!IsAlgorithmSupported(alg->v.sint)) fUnsuportedAlg = true;
+
+	pFail = cn_cbor_mapget_string(pRecipients, "fail");
+	if (COSE_Mac0_validate(hMAC, k->v.bytes, k->length, NULL)) {
+		if (fUnsuportedAlg) {
 			fFail = true;
-			goto exitHere;
+			fUnsuportedAlg = false;
 		}
+		else if ((pFail != NULL) && (pFail->type != CN_CBOR_TRUE)) fFail = true;
+	}
+	else {
 
-		cn_cbor *k = cn_cbor_mapget_int(pkey, -1);
+		if ((pFail == NULL) || (pFail->type == CN_CBOR_FALSE)) fFail = true;
+		if (fUnsuportedAlg) fFail = false;
+	}
 
-		pFail = cn_cbor_mapget_string(pRecipients, "fail");
-		if (COSE_Mac0_validate(hMAC, k->v.bytes, k->length, NULL)) {
-			if ((pFail != NULL) && (pFail->type != CN_CBOR_TRUE)) fFail = true;
-		}
-		else {
-			if ((pFail == NULL) || (pFail->type == CN_CBOR_FALSE)) fFail = true;
-		}
 
 
 	COSE_Mac0_Free(hMAC);
@@ -306,13 +336,13 @@
 		if (!fFail) fFail = true;
 		else fFail = false;
 	}
-	exitHere:
+exitHere:
 	if (fFail) CFails += 1;
 	return 0;
 
 errorReturn:
 	CFails += 1;
-	return 0;
+	return (fFail || fUnsuportedAlg) ? 0 : 1;
 }
 
 int ValidateMac0(const cn_cbor * pControl)
diff --git a/test/test.c b/test/test.c
index b7e278f..48570aa 100644
--- a/test/test.c
+++ b/test/test.c
@@ -673,12 +673,14 @@
 	}
 
 	if (cn_cbor_mapget_string(pInput, "mac") != NULL) {
-		ValidateMAC(pControl);
-		BuildMacMessage(pControl);
+		if (ValidateMAC(pControl)) {
+			BuildMacMessage(pControl);
+		}
 	}
 	else if (cn_cbor_mapget_string(pInput, "mac0") != NULL) {
-		ValidateMac0(pControl);
-		BuildMac0Message(pControl);
+		if (ValidateMac0(pControl)) {
+			BuildMac0Message(pControl);
+		}
 	}
 	else if (cn_cbor_mapget_string(pInput, "enveloped") != NULL) {
 		if (ValidateEnveloped(pControl)) {
diff --git a/test/test.h b/test/test.h
index 3612b9d..86c6300 100644
--- a/test/test.h
+++ b/test/test.h
@@ -73,6 +73,7 @@
 byte * FromHex(const char * rgch, int cch);
 bool SetSendingAttributes(HCOSE hMsg, const cn_cbor * pIn, int base);
 bool SetReceivingAttributes(HCOSE hMsg, const cn_cbor * pIn, int base);
+int IsAlgorithmSupported(int alg);
 
 //
 //  Internal macros to make testing easier
diff --git a/test/test.sdf b/test/test.sdf
deleted file mode 100644
index 4c6a25a..0000000
--- a/test/test.sdf
+++ /dev/null
Binary files differ
diff --git a/test/test.sln b/test/test.sln
deleted file mode 100644
index f11cfd4..0000000
--- a/test/test.sln
+++ /dev/null
@@ -1,57 +0,0 @@
-
-Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 2013
-VisualStudioVersion = 12.0.31101.0
-MinimumVisualStudioVersion = 10.0.40219.1
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "test", "test.vcxproj", "{754DE184-43E9-48D8-A348-267A0AE6914D}"
-	ProjectSection(ProjectDependencies) = postProject
-		{7A9542C0-5F4A-42AB-AC61-D938B77A7CBE} = {7A9542C0-5F4A-42AB-AC61-D938B77A7CBE}
-		{A45661E2-52CA-4531-9CC0-98EC8F88D50D} = {A45661E2-52CA-4531-9CC0-98EC8F88D50D}
-	EndProjectSection
-EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "C", "..\src\C.vcxproj", "{A45661E2-52CA-4531-9CC0-98EC8F88D50D}"
-EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "cn-cbor", "..\..\cn-cbor\implement\cn-cbor\cn-cbor\cn-cbor.vcxproj", "{7A9542C0-5F4A-42AB-AC61-D938B77A7CBE}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|ARM = Debug|ARM
-		Debug|Win32 = Debug|Win32
-		Debug|x64 = Debug|x64
-		Release|ARM = Release|ARM
-		Release|Win32 = Release|Win32
-		Release|x64 = Release|x64
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{754DE184-43E9-48D8-A348-267A0AE6914D}.Debug|ARM.ActiveCfg = Debug|Win32
-		{754DE184-43E9-48D8-A348-267A0AE6914D}.Debug|Win32.ActiveCfg = Debug|Win32
-		{754DE184-43E9-48D8-A348-267A0AE6914D}.Debug|Win32.Build.0 = Debug|Win32
-		{754DE184-43E9-48D8-A348-267A0AE6914D}.Debug|x64.ActiveCfg = Debug|x64
-		{754DE184-43E9-48D8-A348-267A0AE6914D}.Debug|x64.Build.0 = Debug|x64
-		{754DE184-43E9-48D8-A348-267A0AE6914D}.Release|ARM.ActiveCfg = Release|Win32
-		{754DE184-43E9-48D8-A348-267A0AE6914D}.Release|Win32.ActiveCfg = Release|Win32
-		{754DE184-43E9-48D8-A348-267A0AE6914D}.Release|Win32.Build.0 = Release|Win32
-		{754DE184-43E9-48D8-A348-267A0AE6914D}.Release|x64.ActiveCfg = Release|Win32
-		{A45661E2-52CA-4531-9CC0-98EC8F88D50D}.Debug|ARM.ActiveCfg = Debug|Win32
-		{A45661E2-52CA-4531-9CC0-98EC8F88D50D}.Debug|Win32.ActiveCfg = Debug|Win32
-		{A45661E2-52CA-4531-9CC0-98EC8F88D50D}.Debug|Win32.Build.0 = Debug|Win32
-		{A45661E2-52CA-4531-9CC0-98EC8F88D50D}.Debug|x64.ActiveCfg = Debug|x64
-		{A45661E2-52CA-4531-9CC0-98EC8F88D50D}.Debug|x64.Build.0 = Debug|x64
-		{A45661E2-52CA-4531-9CC0-98EC8F88D50D}.Release|ARM.ActiveCfg = Release|Win32
-		{A45661E2-52CA-4531-9CC0-98EC8F88D50D}.Release|Win32.ActiveCfg = Release|Win32
-		{A45661E2-52CA-4531-9CC0-98EC8F88D50D}.Release|Win32.Build.0 = Release|Win32
-		{A45661E2-52CA-4531-9CC0-98EC8F88D50D}.Release|x64.ActiveCfg = Release|Win32
-		{7A9542C0-5F4A-42AB-AC61-D938B77A7CBE}.Debug|ARM.ActiveCfg = Debug|Win32
-		{7A9542C0-5F4A-42AB-AC61-D938B77A7CBE}.Debug|Win32.ActiveCfg = Debug|Win32
-		{7A9542C0-5F4A-42AB-AC61-D938B77A7CBE}.Debug|Win32.Build.0 = Debug|Win32
-		{7A9542C0-5F4A-42AB-AC61-D938B77A7CBE}.Debug|x64.ActiveCfg = Debug|x64
-		{7A9542C0-5F4A-42AB-AC61-D938B77A7CBE}.Debug|x64.Build.0 = Debug|x64
-		{7A9542C0-5F4A-42AB-AC61-D938B77A7CBE}.Release|ARM.ActiveCfg = Release|Win32
-		{7A9542C0-5F4A-42AB-AC61-D938B77A7CBE}.Release|Win32.ActiveCfg = Release|Win32
-		{7A9542C0-5F4A-42AB-AC61-D938B77A7CBE}.Release|Win32.Build.0 = Release|Win32
-		{7A9542C0-5F4A-42AB-AC61-D938B77A7CBE}.Release|x64.ActiveCfg = Release|Win32
-	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
-EndGlobal
diff --git a/test/test.vcxproj b/test/test.vcxproj
deleted file mode 100644
index 6542bb9..0000000
--- a/test/test.vcxproj
+++ /dev/null
@@ -1,174 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <ItemGroup Label="ProjectConfigurations">
-    <ProjectConfiguration Include="Debug|Win32">
-      <Configuration>Debug</Configuration>
-      <Platform>Win32</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="Debug|x64">
-      <Configuration>Debug</Configuration>
-      <Platform>x64</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="Release|Win32">
-      <Configuration>Release</Configuration>
-      <Platform>Win32</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="Release|x64">
-      <Configuration>Release</Configuration>
-      <Platform>x64</Platform>
-    </ProjectConfiguration>
-  </ItemGroup>
-  <PropertyGroup Label="Globals">
-    <ProjectGuid>{754DE184-43E9-48D8-A348-267A0AE6914D}</ProjectGuid>
-    <Keyword>Win32Proj</Keyword>
-    <RootNamespace>test</RootNamespace>
-  </PropertyGroup>
-  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
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-    <PlatformToolset>v140</PlatformToolset>
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-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-  </ImportGroup>
-  <PropertyGroup Label="UserMacros" />
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <LinkIncremental>true</LinkIncremental>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <LinkIncremental>true</LinkIncremental>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-    <LinkIncremental>false</LinkIncremental>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
-    <LinkIncremental>false</LinkIncremental>
-  </PropertyGroup>
-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <ClCompile>
-      <PrecompiledHeader>
-      </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
-      <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <SDLCheck>true</SDLCheck>
-      <AdditionalIncludeDirectories>C:\Projects\COSE\COSE-C\src;C:\Projects\COSE\cn-cbor\implement\cn-cbor\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <CompileAs>Default</CompileAs>
-      <CallingConvention>Cdecl</CallingConvention>
-    </ClCompile>
-    <Link>
-      <SubSystem>Console</SubSystem>
-      <GenerateDebugInformation>true</GenerateDebugInformation>
-      <AdditionalDependencies>c:\projects\openssl\openssl-1.0.1h\lib\libeay32.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
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-      <SDLCheck>true</SDLCheck>
-      <AdditionalIncludeDirectories>C:\Projects\COSE\COSE-C\src;C:\Projects\COSE\cn-cbor\implement\cn-cbor\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
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-    <Link>
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-      <GenerateDebugInformation>true</GenerateDebugInformation>
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-      <GenerateDebugInformation>true</GenerateDebugInformation>
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-      <OptimizeReferences>true</OptimizeReferences>
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-  <ItemGroup>
-    <Text Include="ReadMe.txt" />
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-    <ClInclude Include="stdafx.h" />
-    <ClInclude Include="targetver.h" />
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-  <ItemGroup>
-    <ClCompile Include="test.c" />
-  </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\..\cn-cbor\implement\cn-cbor\cn-cbor\cn-cbor.vcxproj">
-      <Project>{7a9542c0-5f4a-42ab-ac61-d938b77a7cbe}</Project>
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-  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
-  <ImportGroup Label="ExtensionTargets">
-  </ImportGroup>
-</Project>
\ No newline at end of file
diff --git a/test/test.vcxproj.filters b/test/test.vcxproj.filters
deleted file mode 100644
index 1d6c70c..0000000
--- a/test/test.vcxproj.filters
+++ /dev/null
@@ -1,33 +0,0 @@
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-<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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\ No newline at end of file
diff --git a/test/test.vcxproj.user b/test/test.vcxproj.user
deleted file mode 100644
index ef5ff2a..0000000
--- a/test/test.vcxproj.user
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup />
-</Project>
\ No newline at end of file