1 files changed, 3 insertions, 1 deletions
diff --git a/des.h b/des.h
index 272bc53e..8400fa1b 100644
--- a/des.h
+++ b/des.h
@@ -116,7 +116,9 @@ class DES_XEX3 : public DES_XEX3_Info, public BlockCipherDocumentation
 
 	protected:
 		FixedSizeSecBlock<byte, BLOCKSIZE> m_x1, m_x3;
-		DES::Encryption m_des;
+		// VS2005 workaround: calling modules compiled with /clr gets unresolved external symbol DES::Base::ProcessAndXorBlock
+		// if we use DES::Encryption here directly without value_ptr.
+		value_ptr<DES::Encryption> m_des;
 	};
 
 public: