1 files changed, 180 insertions, 0 deletions
diff --git a/src/engine/engine.h b/src/engine/engine.h
new file mode 100644
index 000000000..6cb63fa36
--- /dev/null
+++ b/src/engine/engine.h
@@ -0,0 +1,180 @@
+/*************************************************
+* Engine Header File                             *
+* (C) 1999-2007 Jack Lloyd                       *
+*************************************************/
+
+#ifndef BOTAN_ENGINE_H__
+#define BOTAN_ENGINE_H__
+
+#include <botan/scan_name.h>
+
+#include <botan/block_cipher.h>
+#include <botan/stream_cipher.h>
+#include <botan/hash.h>
+#include <botan/mac.h>
+#include <botan/bigint.h>
+
+#include <utility>
+#include <map>
+
+#if defined(BOTAN_HAS_IF_PUBLIC_KEY_FAMILY)
+  #include <botan/if_op.h>
+#endif
+
+#if defined(BOTAN_HAS_DSA)
+  #include <botan/dsa_op.h>
+#endif
+
+#if defined(BOTAN_HAS_DIFFIE_HELLMAN)
+  #include <botan/dh_op.h>
+#endif
+
+#if defined(BOTAN_HAS_NYBERG_RUEPPEL)
+  #include <botan/nr_op.h>
+#endif
+
+#if defined(BOTAN_HAS_ELGAMAL)
+  #include <botan/elg_op.h>
+#endif
+
+#if defined(BOTAN_HAS_ECDSA)
+  #include <botan/ecdsa_op.h>
+  #include <botan/ec_dompar.h>
+#endif
+
+#if defined(BOTAN_HAS_ECKAEG)
+  #include <botan/eckaeg_op.h>
+  #include <botan/ec_dompar.h>
+#endif
+
+namespace Botan {
+
+class Algorithm_Factory;
+class Keyed_Filter;
+class Modular_Exponentiator;
+
+/*************************************************
+* Engine Base Class                              *
+*************************************************/
+class BOTAN_DLL Engine
+   {
+   public:
+      virtual ~Engine() {}
+
+      virtual std::string provider_name() const = 0;
+
+      // Lookup functions
+      virtual BlockCipher*
+         find_block_cipher(const SCAN_Name&, Algorithm_Factory&) const
+         { return 0; }
+
+      virtual StreamCipher*
+         find_stream_cipher(const SCAN_Name&, Algorithm_Factory&) const
+         { return 0; }
+
+      virtual HashFunction*
+         find_hash(const SCAN_Name&, Algorithm_Factory&) const
+         { return 0; }
+
+      virtual MessageAuthenticationCode*
+         find_mac(const SCAN_Name&, Algorithm_Factory&) const
+         { return 0; }
+
+      virtual Modular_Exponentiator*
+         mod_exp(const BigInt&, Power_Mod::Usage_Hints) const
+         { return 0; }
+
+      virtual Keyed_Filter* get_cipher(const std::string&, Cipher_Dir)
+         { return 0; }
+
+#if defined(BOTAN_HAS_IF_PUBLIC_KEY_FAMILY)
+      virtual IF_Operation* if_op(const BigInt&, const BigInt&, const BigInt&,
+                                  const BigInt&, const BigInt&, const BigInt&,
+                                  const BigInt&, const BigInt&) const
+         { return 0; }
+#endif
+
+#if defined(BOTAN_HAS_DSA)
+      virtual DSA_Operation* dsa_op(const DL_Group&, const BigInt&,
+                                    const BigInt&) const
+         { return 0; }
+#endif
+
+#if defined(BOTAN_HAS_NYBERG_RUEPPEL)
+      virtual NR_Operation* nr_op(const DL_Group&, const BigInt&,
+                                  const BigInt&) const
+         { return 0; }
+#endif
+
+#if defined(BOTAN_HAS_ELGAMAL)
+      virtual ELG_Operation* elg_op(const DL_Group&, const BigInt&,
+                                    const BigInt&) const
+         { return 0; }
+#endif
+
+#if defined(BOTAN_HAS_DIFFIE_HELLMAN)
+      virtual DH_Operation* dh_op(const DL_Group&, const BigInt&) const
+         { return 0; }
+#endif
+
+#if defined(BOTAN_HAS_ECDSA)
+      virtual ECDSA_Operation* ecdsa_op(const EC_Domain_Params&,
+                                        const BigInt&,
+                                        const PointGFp&) const
+         { return 0; }
+#endif
+
+#if defined(BOTAN_HAS_ECKAEG)
+      virtual ECKAEG_Operation* eckaeg_op(const EC_Domain_Params&,
+                                          const BigInt&,
+                                          const PointGFp&) const
+         { return 0; }
+#endif
+   };
+
+namespace Engine_Core {
+
+/*************************************************
+* Get an operation from an Engine                *
+*************************************************/
+Modular_Exponentiator* mod_exp(const BigInt&, Power_Mod::Usage_Hints);
+
+#if defined(BOTAN_HAS_IF_PUBLIC_KEY_FAMILY)
+IF_Operation* if_op(const BigInt&, const BigInt&, const BigInt&,
+                    const BigInt&, const BigInt&, const BigInt&,
+                    const BigInt&, const BigInt&);
+#endif
+
+#if defined(BOTAN_HAS_DSA)
+DSA_Operation* dsa_op(const DL_Group&, const BigInt&, const BigInt&);
+#endif
+
+#if defined(BOTAN_HAS_NYBERG_RUEPPEL)
+NR_Operation* nr_op(const DL_Group&, const BigInt&, const BigInt&);
+#endif
+
+#if defined(BOTAN_HAS_ELGAMAL)
+ELG_Operation* elg_op(const DL_Group&, const BigInt&, const BigInt&);
+#endif
+
+#if defined(BOTAN_HAS_DIFFIE_HELLMAN)
+DH_Operation* dh_op(const DL_Group&, const BigInt&);
+#endif
+
+#if defined(BOTAN_HAS_ECDSA)
+ECDSA_Operation* ecdsa_op(const EC_Domain_Params& dom_pars,
+                          const BigInt& priv_key,
+                          const PointGFp& pub_key);
+#endif
+
+#if defined(BOTAN_HAS_ECKAEG)
+ECKAEG_Operation* eckaeg_op(const EC_Domain_Params& dom_pars,
+                            const BigInt& priv_key,
+                            const PointGFp& pub_key);
+#endif
+
+}
+
+}
+
+#endif