1 files changed, 92 insertions, 0 deletions
diff --git a/src/engine/def_engine/lookup_mac.cpp b/src/engine/def_engine/lookup_mac.cpp
new file mode 100644
index 000000000..baaea15dd
--- /dev/null
+++ b/src/engine/def_engine/lookup_mac.cpp
@@ -0,0 +1,92 @@
+/*************************************************
+* MAC Lookup                                     *
+* (C) 1999-2007 Jack Lloyd                       *
+*************************************************/
+
+#include <botan/eng_def.h>
+#include <botan/lookup.h>
+#include <botan/libstate.h>
+#include <botan/parsing.h>
+
+#if defined(BOTAN_HAS_CBC_MAC)
+  #include <botan/cbc_mac.h>
+#endif
+
+#if defined(BOTAN_HAS_CMAC)
+  #include <botan/cmac.h>
+#endif
+
+#if defined(BOTAN_HAS_HMAC)
+  #include <botan/hmac.h>
+#endif
+
+#if defined(BOTAN_HAS_SSL3_MAC)
+  #include <botan/ssl3_mac.h>
+#endif
+
+#if defined(BOTAN_HAS_ANSI_X919_MAC)
+  #include <botan/x919_mac.h>
+#endif
+
+namespace Botan {
+
+/*************************************************
+* Look for an algorithm with this name           *
+*************************************************/
+MessageAuthenticationCode*
+Default_Engine::find_mac(const std::string& algo_spec) const
+   {
+   std::vector<std::string> name = parse_algorithm_name(algo_spec);
+   if(name.empty())
+      return 0;
+   const std::string algo_name = global_state().deref_alias(name[0]);
+
+#if defined(BOTAN_HAS_CBC_MAC)
+   if(algo_name == "CBC-MAC")
+      {
+      if(name.size() == 2)
+         return new CBC_MAC(get_block_cipher(name[1]));
+      throw Invalid_Algorithm_Name(algo_spec);
+      }
+#endif
+
+#if defined(BOTAN_HAS_CMAC)
+   if(algo_name == "CMAC")
+      {
+      if(name.size() == 2)
+         return new CMAC(get_block_cipher(name[1]));
+      throw Invalid_Algorithm_Name(algo_spec);
+      }
+#endif
+
+#if defined(BOTAN_HAS_HMAC)
+   if(algo_name == "HMAC")
+      {
+      if(name.size() == 2)
+         return new HMAC(get_hash(name[1]));
+      throw Invalid_Algorithm_Name(algo_spec);
+      }
+#endif
+
+#if defined(BOTAN_HAS_SSL3_MAC)
+   if(algo_name == "SSL3-MAC")
+      {
+      if(name.size() == 2)
+         return new SSL3_MAC(get_hash(name[1]));
+      throw Invalid_Algorithm_Name(algo_spec);
+      }
+#endif
+
+#if defined(BOTAN_HAS_ANSI_X919_MAC)
+   if(algo_name == "X9.19-MAC")
+      {
+      if(name.size() == 1)
+         return new ANSI_X919_MAC(get_block_cipher("DES"));
+      throw Invalid_Algorithm_Name(algo_spec);
+      }
+#endif
+
+   return 0;
+   }
+
+}