Move libstate and selftest out of core/ dir to toplevel

1 files changed, 252 insertions, 0 deletions

diff --git a/src/libstate/eng_base.cpp b/src/libstate/eng_base.cpp
new file mode 100644
index 000000000..aaaf46723
--- /dev/null
+++ b/src/libstate/eng_base.cpp
@@ -0,0 +1,252 @@
+/*************************************************
+* Basic No-Op Engine Source File                 *
+* (C) 1999-2007 Jack Lloyd                       *
+*************************************************/
+
+#include <botan/engine.h>
+#include <botan/libstate.h>
+#include <botan/stl_util.h>
+#include <botan/lookup.h>
+
+namespace Botan {
+
+namespace {
+
+/*************************************************
+* Algorithm Cache                                *
+*************************************************/
+template<typename T>
+class Algorithm_Cache_Impl : public Engine::Algorithm_Cache<T>
+   {
+   public:
+      T* get(const std::string& name) const
+         {
+         Mutex_Holder lock(mutex);
+         return search_map(mappings, name);
+         }
+
+      void add(T* algo, const std::string& index_name = "") const
+         {
+         if(!algo)
+            return;
+
+         Mutex_Holder lock(mutex);
+
+         const std::string name =
+            (index_name != "" ? index_name : algo->name());
+
+         if(mappings.find(name) != mappings.end())
+            delete mappings[name];
+         mappings[name] = algo;
+         }
+
+      Algorithm_Cache_Impl()
+         {
+         mutex = global_state().get_mutex();
+         }
+
+      ~Algorithm_Cache_Impl()
+         {
+         typename std::map<std::string, T*>::iterator i = mappings.begin();
+
+         while(i != mappings.end())
+            {
+            delete i->second;
+            ++i;
+            }
+         delete mutex;
+         }
+   private:
+      Mutex* mutex;
+      mutable std::map<std::string, T*> mappings;
+   };
+
+}
+
+/*************************************************
+* Acquire a BlockCipher                          *
+*************************************************/
+const BlockCipher* Engine::block_cipher(const std::string& name) const
+   {
+   return lookup_algo(cache_of_bc, global_state().deref_alias(name),
+                      this, &Engine::find_block_cipher);
+   }
+
+/*************************************************
+* Acquire a StreamCipher                         *
+*************************************************/
+const StreamCipher* Engine::stream_cipher(const std::string& name) const
+   {
+   return lookup_algo(cache_of_sc, global_state().deref_alias(name),
+                      this, &Engine::find_stream_cipher);
+   }
+
+/*************************************************
+* Acquire a HashFunction                         *
+*************************************************/
+const HashFunction* Engine::hash(const std::string& name) const
+   {
+   return lookup_algo(cache_of_hf, global_state().deref_alias(name),
+                      this, &Engine::find_hash);
+   }
+
+/*************************************************
+* Acquire a MessageAuthenticationCode            *
+*************************************************/
+const MessageAuthenticationCode* Engine::mac(const std::string& name) const
+   {
+   return lookup_algo(cache_of_mac, global_state().deref_alias(name),
+                      this, &Engine::find_mac);
+   }
+
+/*************************************************
+* Acquire a S2K object                           *
+*************************************************/
+const S2K* Engine::s2k(const std::string& name) const
+   {
+   return lookup_algo(cache_of_s2k, global_state().deref_alias(name),
+                      this, &Engine::find_s2k);
+   }
+
+/*************************************************
+* Acquire a cipher padding object                *
+*************************************************/
+const BlockCipherModePaddingMethod*
+Engine::bc_pad(const std::string& name) const
+   {
+   return lookup_algo(cache_of_bc_pad, global_state().deref_alias(name),
+                      this, &Engine::find_bc_pad);
+   }
+
+/*************************************************
+* Add a block cipher to the lookup table         *
+*************************************************/
+void Engine::add_algorithm(BlockCipher* algo) const
+   {
+   cache_of_bc->add(algo);
+   }
+
+/*************************************************
+* Add a stream cipher to the lookup table        *
+*************************************************/
+void Engine::add_algorithm(StreamCipher* algo) const
+   {
+   cache_of_sc->add(algo);
+   }
+
+/*************************************************
+* Add a hash function to the lookup table        *
+*************************************************/
+void Engine::add_algorithm(HashFunction* algo) const
+   {
+   cache_of_hf->add(algo);
+   }
+
+/*************************************************
+* Add a MAC to the lookup table                  *
+*************************************************/
+void Engine::add_algorithm(MessageAuthenticationCode* algo) const
+   {
+   cache_of_mac->add(algo);
+   }
+
+/*************************************************
+* Add a S2K to the lookup table                  *
+*************************************************/
+void Engine::add_algorithm(S2K* algo) const
+   {
+   cache_of_s2k->add(algo);
+   }
+
+/*************************************************
+* Add a cipher pad method to the lookup table    *
+*************************************************/
+void Engine::add_algorithm(BlockCipherModePaddingMethod* algo) const
+   {
+   cache_of_bc_pad->add(algo);
+   }
+
+/*************************************************
+* Create an Engine                               *
+*************************************************/
+Engine::Engine()
+   {
+   cache_of_bc = new Algorithm_Cache_Impl<BlockCipher>();
+   cache_of_sc = new Algorithm_Cache_Impl<StreamCipher>();
+   cache_of_hf = new Algorithm_Cache_Impl<HashFunction>();
+   cache_of_mac = new Algorithm_Cache_Impl<MessageAuthenticationCode>();
+   cache_of_s2k = new Algorithm_Cache_Impl<S2K>();
+   cache_of_bc_pad =
+      new Algorithm_Cache_Impl<BlockCipherModePaddingMethod>();
+   }
+
+/*************************************************
+* Destroy an Engine                              *
+*************************************************/
+Engine::~Engine()
+   {
+   delete cache_of_bc;
+   delete cache_of_sc;
+   delete cache_of_hf;
+   delete cache_of_mac;
+   delete cache_of_s2k;
+   delete cache_of_bc_pad;
+   }
+
+/*************************************************
+* Basic No-Op Engine Implementation              *
+*************************************************/
+BlockCipher* Engine::find_block_cipher(const std::string&) const
+   {
+   return 0;
+   }
+
+/*************************************************
+* Basic No-Op Engine Implementation              *
+*************************************************/
+StreamCipher* Engine::find_stream_cipher(const std::string&) const
+   {
+   return 0;
+   }
+
+/*************************************************
+* Basic No-Op Engine Implementation              *
+*************************************************/
+HashFunction* Engine::find_hash(const std::string&) const
+   {
+   return 0;
+   }
+
+/*************************************************
+* Basic No-Op Engine Implementation              *
+*************************************************/
+MessageAuthenticationCode* Engine::find_mac(const std::string&) const
+   {
+   return 0;
+   }
+
+/*************************************************
+* Basic No-Op Engine Implementation              *
+*************************************************/
+S2K* Engine::find_s2k(const std::string&) const
+   {
+   return 0;
+   }
+
+/*************************************************
+* Basic No-Op Engine Implementation              *
+*************************************************/
+BlockCipherModePaddingMethod* Engine::find_bc_pad(const std::string&) const
+   {
+   return 0;
+   }
+
+/*************************************************
+* Basic No-Op Engine Implementation              *
+*************************************************/
+Keyed_Filter* Engine::get_cipher(const std::string&, Cipher_Dir)
+   {
+   return 0;
+   }
+
+}