1 files changed, 62 insertions, 0 deletions
diff --git a/src/tests/kat_mac.cpp b/src/tests/kat_mac.cpp
new file mode 100644
index 000000000..f6aaa5348
--- /dev/null
+++ b/src/tests/kat_mac.cpp
@@ -0,0 +1,62 @@
+#include "tests.h"
+
+#include <botan/libstate.h>
+#include <botan/mac.h>
+#include <botan/hex.h>
+#include <iostream>
+#include <fstream>
+
+using namespace Botan;
+
+namespace {
+
+size_t mac_test(const std::string& algo,
+                const std::string& key_hex,
+                const std::string& in_hex,
+                const std::string& out_hex)
+   {
+   Algorithm_Factory& af = global_state().algorithm_factory();
+
+   const auto providers = af.providers_of(algo);
+   size_t fails = 0;
+
+   for(auto provider: providers)
+      {
+      auto proto = af.prototype_mac(algo, provider);
+
+      if(!proto)
+         {
+         std::cout << "Unable to get " << algo << " from " << provider << "\n";
+         ++fails;
+         continue;
+         }
+
+      std::unique_ptr<MessageAuthenticationCode> mac(proto->clone());
+
+      mac->set_key(hex_decode(key_hex));
+      mac->update(hex_decode(in_hex));
+
+      auto h = mac->final();
+
+      if(h != hex_decode_locked(out_hex))
+         {
+         std::cout << algo << " " << provider << " got " << hex_encode(h) << " != " << out_hex << "\n";
+         ++fails;
+         }
+      }
+
+   return fails;
+   }
+
+}
+
+size_t test_mac()
+   {
+   std::ifstream vec(TEST_DATA_DIR "/mac.vec");
+
+   return run_tests_bb(vec, "Mac", "Out", true,
+             [](std::map<std::string, std::string> m) -> size_t
+             {
+             return mac_test(m["Mac"], m["Key"], m["In"], m["Out"]);
+             });
+   }