diff --git a/lib/libhac/include/nn/hac/IdConverter.h b/lib/libhac/include/nn/hac/IdConverter.h
new file mode 100644
index 0000000..40702ea
--- /dev/null
+++ b/lib/libhac/include/nn/hac/IdConverter.h
@@ -0,0 +1,21 @@
+#pragma once
+#include <fnd/types.h>
+
+namespace nn
+{
+namespace hac
+{
+	class IdConverter
+	{
+	public:
+		static uint64_t convertToAocBaseId(uint64_t application_id);
+		static uint64_t convertToDeltaId(uint64_t application_id);
+		static uint64_t convertToPatchId(uint64_t application_id);
+
+	private:
+		static const uint64_t kAocBaseId = 0x1000;
+		static const uint64_t kDeltaId = 0xc00;
+		static const uint64_t kPatchId = 0x800;
+	};
+}
+}
\ No newline at end of file
diff --git a/lib/libhac/libhac.vcxproj b/lib/libhac/libhac.vcxproj
index 3ff63ae..067835b 100644
--- a/lib/libhac/libhac.vcxproj
+++ b/lib/libhac/libhac.vcxproj
@@ -39,6 +39,7 @@
     <ClInclude Include="include\nn\hac\HierarchicalIntegrityHeader.h" />
     <ClInclude Include="include\nn\hac\hierarchicalsha256.h" />
     <ClInclude Include="include\nn\hac\HierarchicalSha256Header.h" />
+    <ClInclude Include="include\nn\hac\IdConverter.h" />
     <ClInclude Include="include\nn\hac\IKernelCapabilityHandler.h" />
     <ClInclude Include="include\nn\hac\InteruptEntry.h" />
     <ClInclude Include="include\nn\hac\InteruptHandler.h" />
@@ -90,6 +91,7 @@
     <ClCompile Include="source\HandleTableSizeHandler.cpp" />
     <ClCompile Include="source\HierarchicalIntegrityHeader.cpp" />
     <ClCompile Include="source\HierarchicalSha256Header.cpp" />
+    <ClCompile Include="source\IdConverter.cpp" />
     <ClCompile Include="source\InteruptEntry.cpp" />
     <ClCompile Include="source\InteruptHandler.cpp" />
     <ClCompile Include="source\KernelCapabilityBinary.cpp" />
diff --git a/lib/libhac/libhac.vcxproj.filters b/lib/libhac/libhac.vcxproj.filters
index 3c44384..de979d9 100644
--- a/lib/libhac/libhac.vcxproj.filters
+++ b/lib/libhac/libhac.vcxproj.filters
@@ -183,6 +183,9 @@
     <ClInclude Include="include\nn\hac\XciUtils.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="include\nn\hac\IdConverter.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="source\AccessControlInfoBinary.cpp">
@@ -296,5 +299,8 @@
     <ClCompile Include="source\XciUtils.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="source\IdConverter.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/lib/libhac/source/IdConverter.cpp b/lib/libhac/source/IdConverter.cpp
new file mode 100644
index 0000000..5455263
--- /dev/null
+++ b/lib/libhac/source/IdConverter.cpp
@@ -0,0 +1,16 @@
+#include <nn/hac/IdConverter.h>
+
+uint64_t nn::hac::IdConverter::convertToAocBaseId(uint64_t application_id)
+{
+	return application_id + kAocBaseId;
+}
+
+uint64_t nn::hac::IdConverter::convertToDeltaId(uint64_t application_id)
+{
+	return application_id + kDeltaId;
+}
+
+uint64_t nn::hac::IdConverter::convertToPatchId(uint64_t application_id)
+{
+	return application_id + kPatchId;
+}
\ No newline at end of file