Move most of the Default_Engine code into engine/def_engine, and the

engine base classes into src/engine

1 files changed, 351 insertions, 0 deletions

diff --git a/src/engine/def_engine/lookup_cipher.cpp b/src/engine/def_engine/lookup_cipher.cpp
new file mode 100644
index 000000000..ac66c1c40
--- /dev/null
+++ b/src/engine/def_engine/lookup_cipher.cpp
@@ -0,0 +1,351 @@
+/*************************************************
+* Cipher Lookup                                  *
+* (C) 1999-2007 Jack Lloyd                       *
+*************************************************/
+
+#include <botan/eng_def.h>
+#include <botan/lookup.h>
+#include <botan/libstate.h>
+#include <botan/parsing.h>
+#include <memory>
+
+#if defined(BOTAN_HAS_AES)
+  #include <botan/aes.h>
+#endif
+
+#if defined(BOTAN_HAS_BLOWFISH)
+  #include <botan/blowfish.h>
+#endif
+
+#if defined(BOTAN_HAS_CAST)
+  #include <botan/cast128.h>
+  #include <botan/cast256.h>
+#endif
+
+#if defined(BOTAN_HAS_DES)
+  #include <botan/des.h>
+  #include <botan/desx.h>
+#endif
+
+#if defined(BOTAN_HAS_GOST)
+  #include <botan/gost.h>
+#endif
+
+#if defined(BOTAN_HAS_IDEA)
+  #include <botan/idea.h>
+#endif
+
+#if defined(BOTAN_HAS_KASUMI)
+  #include <botan/kasumi.h>
+#endif
+
+#if defined(BOTAN_HAS_LION)
+  #include <botan/lion.h>
+#endif
+
+#if defined(BOTAN_HAS_LUBY_RACKOFF)
+  #include <botan/lubyrack.h>
+#endif
+
+#if defined(BOTAN_HAS_MARS)
+  #include <botan/mars.h>
+#endif
+
+#if defined(BOTAN_HAS_MISTY1)
+  #include <botan/misty1.h>
+#endif
+
+#if defined(BOTAN_HAS_NOEKEON)
+  #include <botan/noekeon.h>
+#endif
+
+#if defined(BOTAN_HAS_RC2)
+  #include <botan/rc2.h>
+#endif
+
+#if defined(BOTAN_HAS_RC5)
+  #include <botan/rc5.h>
+#endif
+
+#if defined(BOTAN_HAS_RC6)
+  #include <botan/rc6.h>
+#endif
+
+#if defined(BOTAN_HAS_SAFER)
+  #include <botan/safer_sk.h>
+#endif
+
+#if defined(BOTAN_HAS_SEED)
+  #include <botan/seed.h>
+#endif
+
+#if defined(BOTAN_HAS_SERPENT)
+  #include <botan/serpent.h>
+#endif
+
+#if defined(BOTAN_HAS_SERPENT_IA32)
+  #include <botan/serp_ia32.h>
+#endif
+
+#if defined(BOTAN_HAS_SKIPJACK)
+  #include <botan/skipjack.h>
+#endif
+
+#if defined(BOTAN_HAS_SQUARE)
+  #include <botan/square.h>
+#endif
+
+#if defined(BOTAN_HAS_TEA)
+  #include <botan/tea.h>
+#endif
+
+#if defined(BOTAN_HAS_TWOFISH)
+  #include <botan/twofish.h>
+#endif
+
+#if defined(BOTAN_HAS_XTEA)
+  #include <botan/xtea.h>
+#endif
+
+#if defined(BOTAN_HAS_ARC4)
+  #include <botan/arc4.h>
+#endif
+
+#if defined(BOTAN_HAS_SALSA20)
+  #include <botan/salsa20.h>
+#endif
+
+#if defined(BOTAN_HAS_TURING)
+  #include <botan/turing.h>
+#endif
+
+#if defined(BOTAN_HAS_WID_WAKE)
+  #include <botan/wid_wake.h>
+#endif
+
+#if defined(BOTAN_HAS_CIPHER_MODE_PADDING)
+  #include <botan/mode_pad.h>
+#endif
+
+namespace Botan {
+
+/*************************************************
+* Some macros to simplify control flow           *
+*************************************************/
+#define HANDLE_TYPE_NO_ARGS(NAME, TYPE)        \
+   if(algo_name == NAME)                       \
+      {                                        \
+      if(name.size() == 1)                     \
+         return new TYPE;                      \
+      throw Invalid_Algorithm_Name(algo_spec); \
+      }
+
+#define HANDLE_TYPE_ONE_U32BIT(NAME, TYPE, DEFAULT) \
+   if(algo_name == NAME)                            \
+      {                                             \
+      if(name.size() == 1)                          \
+         return new TYPE(DEFAULT);                  \
+      if(name.size() == 2)                          \
+         return new TYPE(to_u32bit(name[1]));       \
+      throw Invalid_Algorithm_Name(algo_spec);      \
+      }
+
+#define HANDLE_TYPE_TWO_U32BIT(NAME, TYPE, DEFAULT)               \
+   if(algo_name == NAME)                                          \
+      {                                                           \
+      if(name.size() == 1)                                        \
+         return new TYPE(DEFAULT);                                \
+      if(name.size() == 2)                                        \
+         return new TYPE(to_u32bit(name[1]));                     \
+      if(name.size() == 3)                                        \
+         return new TYPE(to_u32bit(name[1]), to_u32bit(name[2])); \
+      throw Invalid_Algorithm_Name(algo_spec);                    \
+      }
+
+/*************************************************
+* Look for an algorithm with this name           *
+*************************************************/
+BlockCipher*
+Default_Engine::find_block_cipher(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_AES)
+   HANDLE_TYPE_NO_ARGS("AES", AES);
+   HANDLE_TYPE_NO_ARGS("AES-128", AES_128);
+   HANDLE_TYPE_NO_ARGS("AES-192", AES_192);
+   HANDLE_TYPE_NO_ARGS("AES-256", AES_256);
+#endif
+
+#if defined(BOTAN_HAS_BLOWFISH)
+   HANDLE_TYPE_NO_ARGS("Blowfish", Blowfish);
+#endif
+
+#if defined(BOTAN_HAS_CAST)
+   HANDLE_TYPE_NO_ARGS("CAST-128", CAST_128);
+   HANDLE_TYPE_NO_ARGS("CAST-256", CAST_256);
+#endif
+
+#if defined(BOTAN_HAS_DES)
+   HANDLE_TYPE_NO_ARGS("DES", DES);
+   HANDLE_TYPE_NO_ARGS("DESX", DESX);
+   HANDLE_TYPE_NO_ARGS("TripleDES", TripleDES);
+#endif
+
+#if defined(BOTAN_HAS_GOST)
+   HANDLE_TYPE_NO_ARGS("GOST", GOST);
+#endif
+
+#if defined(BOTAN_HAS_IDEA)
+   HANDLE_TYPE_NO_ARGS("IDEA", IDEA);
+#endif
+
+#if defined(BOTAN_HAS_KASUMI)
+   HANDLE_TYPE_NO_ARGS("KASUMI", KASUMI);
+#endif
+
+#if defined(BOTAN_HAS_MARS)
+   HANDLE_TYPE_NO_ARGS("MARS", MARS);
+#endif
+
+#if defined(BOTAN_HAS_MISTY1)
+   HANDLE_TYPE_ONE_U32BIT("MISTY1", MISTY1, 8);
+#endif
+
+#if defined(BOTAN_HAS_NOEKEON)
+   HANDLE_TYPE_NO_ARGS("Noekeon", Noekeon);
+#endif
+
+#if defined(BOTAN_HAS_RC2)
+   HANDLE_TYPE_NO_ARGS("RC2", RC2);
+#endif
+
+#if defined(BOTAN_HAS_RC5)
+   HANDLE_TYPE_ONE_U32BIT("RC5", RC5, 12);
+#endif
+
+#if defined(BOTAN_HAS_RC6)
+   HANDLE_TYPE_NO_ARGS("RC6", RC6);
+#endif
+
+#if defined(BOTAN_HAS_SAFER)
+   HANDLE_TYPE_ONE_U32BIT("SAFER-SK", SAFER_SK, 10);
+#endif
+
+#if defined(BOTAN_HAS_SEED)
+   HANDLE_TYPE_NO_ARGS("SEED", SEED);
+#endif
+
+#if defined(BOTAN_HAS_SERPENT_IA32)
+   HANDLE_TYPE_NO_ARGS("Serpent", Serpent_IA32);
+#elif defined(BOTAN_HAS_SERPENT)
+   HANDLE_TYPE_NO_ARGS("Serpent", Serpent);
+#endif
+
+#if defined(BOTAN_HAS_SKIPJACK)
+   HANDLE_TYPE_NO_ARGS("Skipjack", Skipjack);
+#endif
+
+#if defined(BOTAN_HAS_SQUARE)
+   HANDLE_TYPE_NO_ARGS("Square", Square);
+#endif
+
+#if defined(BOTAN_HAS_TEA)
+   HANDLE_TYPE_NO_ARGS("TEA", TEA);
+#endif
+
+#if defined(BOTAN_HAS_TWOFISH)
+   HANDLE_TYPE_NO_ARGS("Twofish", Twofish);
+#endif
+
+#if defined(BOTAN_HAS_XTEA)
+   HANDLE_TYPE_NO_ARGS("XTEA", XTEA);
+#endif
+
+#if defined(BOTAN_HAS_LUBY_RACKOFF)
+   if(algo_name == "Luby-Rackoff" && name.size() >= 2)
+      {
+      HashFunction* hash = get_hash(name[1]);
+      if(hash)
+         return new LubyRackoff(hash);
+      }
+#endif
+
+#if defined(BOTAN_HAS_LION)
+   if(algo_name == "Lion")
+      {
+      if(name.size() != 4)
+         throw Invalid_Algorithm_Name(algo_spec);
+
+      std::auto_ptr<HashFunction> hash(get_hash(name[1]));
+      if(!hash.get())
+         throw Algorithm_Not_Found(name[1]);
+
+      std::auto_ptr<StreamCipher> sc(get_stream_cipher(name[2]));
+      if(!sc.get())
+         throw Algorithm_Not_Found(name[2]);
+
+      return new Lion(hash.release(), sc.release(), to_u32bit(name[3]));
+      }
+#endif
+
+   return 0;
+   }
+
+/*************************************************
+* Look for an algorithm with this name           *
+*************************************************/
+StreamCipher*
+Default_Engine::find_stream_cipher(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_ARC4)
+   HANDLE_TYPE_ONE_U32BIT("ARC4", ARC4, 0);
+   HANDLE_TYPE_ONE_U32BIT("RC4_drop", ARC4, 768);
+#endif
+
+#if defined(BOTAN_HAS_SALSA20)
+   HANDLE_TYPE_NO_ARGS("Salsa20", Salsa20);
+#endif
+
+#if defined(BOTAN_HAS_TURING)
+   HANDLE_TYPE_NO_ARGS("Turing", Turing);
+#endif
+
+#if defined(BOTAN_HAS_WID_WAKE)
+   HANDLE_TYPE_NO_ARGS("WiderWake4+1-BE", WiderWake_41_BE);
+#endif
+
+   return 0;
+   }
+
+/*************************************************
+* Look for an algorithm with this name           *
+*************************************************/
+BlockCipherModePaddingMethod*
+Default_Engine::find_bc_pad(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_CIPHER_MODE_PADDING)
+   HANDLE_TYPE_NO_ARGS("PKCS7",       PKCS7_Padding);
+   HANDLE_TYPE_NO_ARGS("OneAndZeros", OneAndZeros_Padding);
+   HANDLE_TYPE_NO_ARGS("X9.23",       ANSI_X923_Padding);
+   HANDLE_TYPE_NO_ARGS("NoPadding",   Null_Padding);
+#endif
+
+   return 0;
+   }
+
+}