Added a simple unit test to ensure E(D(M)) = M

GhettoCrypt/GhettoCrypt.vcxproj

@@ -143,6 +143,7 @@
     <ClCompile Include="Feistel.cpp" />
     <ClCompile Include="Cipher.cpp" />
     <ClCompile Include="GhettoCryptWrapper.cpp" />
+    <ClCompile Include="InitializationVector.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="Block.h" />
@@ -152,6 +153,7 @@
     <ClInclude Include="Cipher.h" />
     <ClInclude Include="Flexblock.h" />
     <ClInclude Include="Halfblock.h" />
+    <ClInclude Include="InitializationVector.h" />
     <ClInclude Include="Keyset.h" />
     <ClInclude Include="SecureBitset.h" />
     <ClInclude Include="Util.h" />

GhettoCrypt/GhettoCrypt.vcxproj.filters

@@ -24,6 +24,9 @@
     <ClCompile Include="GhettoCryptWrapper.cpp">
       <Filter>Quelldateien</Filter>
     </ClCompile>
+    <ClCompile Include="InitializationVector.cpp">
+      <Filter>Quelldateien</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="Feistel.h">
@@ -59,5 +62,8 @@
     <ClInclude Include="SecureBitset.h">
       <Filter>Headerdateien</Filter>
     </ClInclude>
+    <ClInclude Include="InitializationVector.h">
+      <Filter>Headerdateien</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>

GhettoCrypt/Util.h

@@ -102,7 +102,12 @@ namespace GhettoCipher
             ss << (char)std::bitset<8>(bitstring.substr(i, 8)).to_ulong();
         }
 
-        return ss.str();
+        std::string text = ss.str();
+
+        // D<>mp excess nullbytes
+        text.resize(strlen(text.data()));
+
+        return text;
     }
 
     //! Will convert a flexible data block to a string
@@ -117,7 +122,12 @@ namespace GhettoCipher
             ss << (char)std::bitset<8>(bitstring.substr(i, 8)).to_ulong();
         }
 
-        return ss.str();
+        std::string text = ss.str();
+
+        // D<>mp excess nullbytes
+        text.resize(strlen(text.data()));
+
+        return text;
     }
 
     //! Turns a fixed-size data block into a hex-string