From 197dc467dec28a04c3b2f30da7cef122dfbb13e9 Mon Sep 17 00:00:00 2001
From: lloyd <lloyd@randombit.net>
Date: Wed, 1 Jan 2014 21:20:55 +0000
Subject: Shuffle things around. Add NIST X.509 test to build.

---
 lib/mac/mac.cpp | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 lib/mac/mac.cpp

(limited to 'lib/mac/mac.cpp')

diff --git a/lib/mac/mac.cpp b/lib/mac/mac.cpp
new file mode 100644
index 000000000..094aa1b4a
--- /dev/null
+++ b/lib/mac/mac.cpp
@@ -0,0 +1,26 @@
+/*
+* Message Authentication Code base class
+* (C) 1999-2008 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#include <botan/mac.h>
+#include <botan/mem_ops.h>
+
+namespace Botan {
+
+/*
+* Default (deterministic) MAC verification operation
+*/
+bool MessageAuthenticationCode::verify_mac(const byte mac[], size_t length)
+   {
+   secure_vector<byte> our_mac = final();
+
+   if(our_mac.size() != length)
+      return false;
+
+   return same_mem(&our_mac[0], &mac[0], length);
+   }
+
+}
-- 
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