1 files changed, 13 insertions, 2 deletions
diff --git a/md2.h b/md2.h
index 01af36d..4e8ac4b 100644
--- a/md2.h
+++ b/md2.h
@@ -6,8 +6,9 @@
 
 NAMESPACE_BEGIN(CryptoPP)
 
-/// <a href="http://www.weidai.com/scan-mirror/md.html#MD2">MD2</a>
-/** 128 Bit Hash */
+namespace Weak {
+
+/// <a href="http://www.cryptolounge.org/wiki/MD2">MD2</a>
 class MD2 : public HashTransformation
 {
 public:
@@ -28,6 +29,16 @@ private:
 	unsigned int m_count;
 };
 
+}
+#ifndef CRYPTOPP_ENABLE_NAMESPACE_WEAK
+using namespace Weak;
+#ifdef __GNUC__
+#warning "You may be using a weak algorithm that has been retained for backwards compatibility. Please define CRYPTOPP_ENABLE_NAMESPACE_WEAK and prepend the class name with 'Weak::' to remove this warning."
+#else
+#pragma message("You may be using a weak algorithm that has been retained for backwards compatibility. Please define CRYPTOPP_ENABLE_NAMESPACE_WEAK and prepend the class name with 'Weak::' to remove this warning.")
+#endif
+#endif
+
 NAMESPACE_END
 
 #endif