Initial checkin1.5.6

1 files changed, 97 insertions, 0 deletions

diff --git a/include/engine.h b/include/engine.h
new file mode 100644
index 000000000..d28095b71
--- /dev/null
+++ b/include/engine.h
@@ -0,0 +1,97 @@
+/*************************************************
+* Engine Header File                             *
+* (C) 1999-2006 The Botan Project                *
+*************************************************/
+
+#ifndef BOTAN_ENGINE_H__
+#define BOTAN_ENGINE_H__
+
+#include <botan/base.h>
+#include <botan/mutex.h>
+#include <botan/pk_ops.h>
+#include <botan/pow_mod.h>
+#include <botan/basefilt.h>
+#include <utility>
+#include <map>
+
+namespace Botan {
+
+/*************************************************
+* Engine Base Class                              *
+*************************************************/
+class Engine
+   {
+   public:
+      virtual IF_Operation* if_op(const BigInt&, const BigInt&, const BigInt&,
+                                  const BigInt&, const BigInt&, const BigInt&,
+                                  const BigInt&, const BigInt&) const;
+      virtual DSA_Operation* dsa_op(const DL_Group&, const BigInt&,
+                                    const BigInt&) const;
+      virtual NR_Operation* nr_op(const DL_Group&, const BigInt&,
+                                  const BigInt&) const;
+      virtual ELG_Operation* elg_op(const DL_Group&, const BigInt&,
+                                    const BigInt&) const;
+      virtual DH_Operation* dh_op(const DL_Group&, const BigInt&) const;
+
+      virtual Modular_Exponentiator* mod_exp(const BigInt&,
+                                             Power_Mod::Usage_Hints) const;
+
+      virtual Keyed_Filter* get_cipher(const std::string&, Cipher_Dir);
+
+      const BlockCipher* block_cipher(const std::string&) const;
+      const StreamCipher* stream_cipher(const std::string&) const;
+      const HashFunction* hash(const std::string&) const;
+      const MessageAuthenticationCode* mac(const std::string&) const;
+      const class S2K* s2k(const std::string&) const;
+      const class BlockCipherModePaddingMethod*
+         bc_pad(const std::string&) const;
+
+      void add_algorithm(BlockCipher*) const;
+      void add_algorithm(StreamCipher*) const;
+      void add_algorithm(HashFunction*) const;
+      void add_algorithm(MessageAuthenticationCode*) const;
+      void add_algorithm(class S2K*) const;
+      void add_algorithm(class BlockCipherModePaddingMethod*) const;
+
+      Engine();
+      virtual ~Engine();
+   private:
+      virtual BlockCipher* find_block_cipher(const std::string&) const;
+      virtual StreamCipher* find_stream_cipher(const std::string&) const;
+      virtual HashFunction* find_hash(const std::string&) const;
+      virtual MessageAuthenticationCode* find_mac(const std::string&) const;
+      virtual class S2K* find_s2k(const std::string&) const;
+      virtual class BlockCipherModePaddingMethod*
+         find_bc_pad(const std::string&) const;
+
+      Algorithm* get_algo(const std::string&, const std::string&) const;
+      void add_algo(const std::string&, Algorithm*) const;
+
+      typedef std::pair<Mutex*, std::map<std::string, Algorithm*> >
+         mutex_map_pair;
+      mutable std::map<std::string, mutex_map_pair> mappings;
+   };
+
+namespace Engine_Core {
+
+/*************************************************
+* Get an operation from an Engine                *
+*************************************************/
+Modular_Exponentiator* mod_exp(const BigInt&, Power_Mod::Usage_Hints);
+
+IF_Operation* if_op(const BigInt&, const BigInt&, const BigInt&,
+                    const BigInt&, const BigInt&, const BigInt&,
+                    const BigInt&, const BigInt&);
+
+DSA_Operation* dsa_op(const DL_Group&, const BigInt&, const BigInt&);
+NR_Operation* nr_op(const DL_Group&, const BigInt&, const BigInt&);
+
+ELG_Operation* elg_op(const DL_Group&, const BigInt&, const BigInt&);
+
+DH_Operation* dh_op(const DL_Group&, const BigInt&);
+
+}
+
+}
+
+#endif