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

git-svn-id: svn://svn.code.sf.net/p/cryptopp/code/trunk/c5@284 57ff6487-cd31-0410-9ec3-f628ee90f5f0

1 files changed, 13 insertions, 3 deletions

diff --git a/md5.h b/md5.h
index 7fb9f17..944a4ee 100644
--- a/md5.h
+++ b/md5.h
@@ -5,9 +5,9 @@
 
 NAMESPACE_BEGIN(CryptoPP)
 
-//! <a href="http://www.weidai.com/scan-mirror/md.html#MD5">MD5</a>
-/*! \warning MD5 is considered insecure, and should not be used
-	unless you absolutely need it for compatibility. */
+namespace Weak {
+
+//! <a href="http://www.cryptolounge.org/wiki/MD5">MD5</a>
 class MD5 : public IteratedHashWithStaticTransform<word32, LittleEndian, 64, 16, MD5>
 {
 public:
@@ -16,6 +16,16 @@ public:
 	static const char * StaticAlgorithmName() {return "MD5";}
 };
 
+}
+#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