move MD2, MD4, MD5, PanamaHash, WAKE_CFB into the namespace 'Weak'

1 files changed, 12 insertions, 0 deletions

diff --git a/md4.h b/md4.h
index bf5399c1..d80a3d70 100644
--- a/md4.h
+++ b/md4.h
@@ -5,6 +5,8 @@
 
 NAMESPACE_BEGIN(CryptoPP)
 
+namespace Weak {
+
 //! <a href="http://www.weidai.com/scan-mirror/md.html#MD4">MD4</a>
 /*! \warning MD4 is considered insecure, and should not be used
 	unless you absolutely need it for compatibility. */
@@ -16,6 +18,16 @@ public:
 	static const char *StaticAlgorithmName() {return "MD4";}
 };
 
+}
+#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