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-rw-r--r--src/core/libstate/def_powm.cpp22
-rw-r--r--src/core/libstate/eng_base.cpp76
-rw-r--r--src/core/libstate/eng_def.h49
-rw-r--r--src/core/libstate/engine.cpp2
-rw-r--r--src/core/libstate/engine.h36
-rw-r--r--src/core/libstate/info.txt2
6 files changed, 103 insertions, 84 deletions
diff --git a/src/core/libstate/def_powm.cpp b/src/core/libstate/def_powm.cpp
new file mode 100644
index 000000000..a28438f5b
--- /dev/null
+++ b/src/core/libstate/def_powm.cpp
@@ -0,0 +1,22 @@
+/*************************************************
+* Modular Exponentiation Source File *
+* (C) 1999-2007 Jack Lloyd *
+*************************************************/
+
+#include <botan/eng_def.h>
+#include <botan/def_powm.h>
+
+namespace Botan {
+
+/*************************************************
+* Choose a modular exponentation algorithm *
+*************************************************/
+Modular_Exponentiator*
+Default_Engine::mod_exp(const BigInt& n, Power_Mod::Usage_Hints hints) const
+ {
+ if(n.is_odd())
+ return new Montgomery_Exponentiator(n, hints);
+ return new Fixed_Window_Exponentiator(n, hints);
+ }
+
+}
diff --git a/src/core/libstate/eng_base.cpp b/src/core/libstate/eng_base.cpp
index a296a2762..aaaf46723 100644
--- a/src/core/libstate/eng_base.cpp
+++ b/src/core/libstate/eng_base.cpp
@@ -64,82 +64,6 @@ class Algorithm_Cache_Impl : public Engine::Algorithm_Cache<T>
}
/*************************************************
-* Basic No-Op Engine Implementation *
-*************************************************/
-IF_Operation* Engine::if_op(const BigInt&, const BigInt&, const BigInt&,
- const BigInt&, const BigInt&, const BigInt&,
- const BigInt&, const BigInt&) const
- {
- return 0;
- }
-
-/*************************************************
-* Basic No-Op Engine Implementation *
-*************************************************/
-DSA_Operation* Engine::dsa_op(const DL_Group&, const BigInt&,
- const BigInt&) const
- {
- return 0;
- }
-
-/*************************************************
-* Basic No-Op Engine Implementation *
-*************************************************/
-NR_Operation* Engine::nr_op(const DL_Group&, const BigInt&,
- const BigInt&) const
- {
- return 0;
- }
-
-/*************************************************
-* Basic No-Op Engine Implementation *
-*************************************************/
-ELG_Operation* Engine::elg_op(const DL_Group&, const BigInt&,
- const BigInt&) const
- {
- return 0;
- }
-
-/*************************************************
-* Basic No-Op Engine Implementation *
-*************************************************/
-DH_Operation* Engine::dh_op(const DL_Group&, const BigInt&) const
- {
- return 0;
- }
-
-#if defined(BOTAN_HAS_ECDSA)
-/*************************************************
-* Basic No-Op Engine Implementation *
-*************************************************/
-ECDSA_Operation* Engine::ecdsa_op(const EC_Domain_Params&,
- const BigInt&,
- const PointGFp&) const
- {
- return 0;
- }
-
-/*************************************************
-* Basic No-Op Engine Implementation *
-*************************************************/
-ECKAEG_Operation* Engine::eckaeg_op(const EC_Domain_Params&,
- const BigInt&,
- const PointGFp&) const
- {
- return 0;
- }
-#endif
-
-/*************************************************
-* Basic No-Op Engine Implementation *
-*************************************************/
-Modular_Exponentiator* Engine::mod_exp(const BigInt&,
- Power_Mod::Usage_Hints) const
- {
- return 0;
- }
-
-/*************************************************
* Acquire a BlockCipher *
*************************************************/
const BlockCipher* Engine::block_cipher(const std::string& name) const
diff --git a/src/core/libstate/eng_def.h b/src/core/libstate/eng_def.h
new file mode 100644
index 000000000..7d7ecce58
--- /dev/null
+++ b/src/core/libstate/eng_def.h
@@ -0,0 +1,49 @@
+/*************************************************
+* Default Engine Header File *
+* (C) 1999-2007 Jack Lloyd *
+*************************************************/
+
+#ifndef BOTAN_DEFAULT_ENGINE_H__
+#define BOTAN_DEFAULT_ENGINE_H__
+
+#include <botan/engine.h>
+
+namespace Botan {
+
+/*************************************************
+* Default Engine *
+*************************************************/
+class BOTAN_DLL Default_Engine : public Engine
+ {
+ public:
+ IF_Operation* if_op(const BigInt&, const BigInt&, const BigInt&,
+ const BigInt&, const BigInt&, const BigInt&,
+ const BigInt&, const BigInt&) const;
+ DSA_Operation* dsa_op(const DL_Group&, const BigInt&,
+ const BigInt&) const;
+ NR_Operation* nr_op(const DL_Group&, const BigInt&, const BigInt&) const;
+ ELG_Operation* elg_op(const DL_Group&, const BigInt&,
+ const BigInt&) const;
+
+#if defined(BOTAN_HAS_DH)
+ DH_Operation* dh_op(const DL_Group&, const BigInt&) const;
+#endif
+
+ Modular_Exponentiator* mod_exp(const BigInt&,
+ Power_Mod::Usage_Hints) const;
+
+ Keyed_Filter* get_cipher(const std::string&, Cipher_Dir);
+ private:
+ BlockCipher* find_block_cipher(const std::string&) const;
+ StreamCipher* find_stream_cipher(const std::string&) const;
+ HashFunction* find_hash(const std::string&) const;
+ MessageAuthenticationCode* find_mac(const std::string&) const;
+
+ class S2K* find_s2k(const std::string&) const;
+ class BlockCipherModePaddingMethod*
+ find_bc_pad(const std::string&) const;
+ };
+
+}
+
+#endif
diff --git a/src/core/libstate/engine.cpp b/src/core/libstate/engine.cpp
index fb2477936..13ab63193 100644
--- a/src/core/libstate/engine.cpp
+++ b/src/core/libstate/engine.cpp
@@ -83,6 +83,7 @@ ELG_Operation* elg_op(const DL_Group& group, const BigInt& y, const BigInt& x)
throw Lookup_Error("Engine_Core::elg_op: Unable to find a working engine");
}
+#if defined(BOTAN_HAS_DH)
/*************************************************
* Acquire a DH op *
*************************************************/
@@ -99,6 +100,7 @@ DH_Operation* dh_op(const DL_Group& group, const BigInt& x)
throw Lookup_Error("Engine_Core::dh_op: Unable to find a working engine");
}
+#endif
#if defined(BOTAN_HAS_ECDSA)
/*************************************************
diff --git a/src/core/libstate/engine.h b/src/core/libstate/engine.h
index 212d02d7a..12c69385b 100644
--- a/src/core/libstate/engine.h
+++ b/src/core/libstate/engine.h
@@ -13,6 +13,10 @@
#include <botan/basefilt.h>
#include <botan/enums.h>
+#if defined(BOTAN_HAS_DH)
+ #include <botan/dh_op.h>
+#endif
+
#if defined(BOTAN_HAS_ECDSA)
#include <botan/ec_dompar.h>
#endif
@@ -39,27 +43,41 @@ class BOTAN_DLL Engine
virtual IF_Operation* if_op(const BigInt&, const BigInt&, const BigInt&,
const BigInt&, const BigInt&, const BigInt&,
- const BigInt&, const BigInt&) const;
+ const BigInt&, const BigInt&) const
+ { return 0; }
+
virtual DSA_Operation* dsa_op(const DL_Group&, const BigInt&,
- const BigInt&) const;
+ const BigInt&) const
+ { return 0; }
+
virtual NR_Operation* nr_op(const DL_Group&, const BigInt&,
- const BigInt&) const;
+ const BigInt&) const
+ { return 0; }
+
virtual ELG_Operation* elg_op(const DL_Group&, const BigInt&,
- const BigInt&) const;
- virtual DH_Operation* dh_op(const DL_Group&, const BigInt&) const;
+ const BigInt&) const
+ { return 0; }
+
+#if defined(BOTAN_HAS_DH)
+ 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& dom_pars,
const BigInt& priv_key,
- const PointGFp& pub_key) const;
+ const PointGFp& pub_key) const
+ { return 0; }
virtual ECKAEG_Operation* eckaeg_op(const EC_Domain_Params& dom_pars,
const BigInt& priv_key,
- const PointGFp& pub_key) const;
+ const PointGFp& pub_key) const
+ { return 0; }
#endif
virtual Modular_Exponentiator* mod_exp(const BigInt&,
- Power_Mod::Usage_Hints) const;
+ Power_Mod::Usage_Hints) const
+ { return 0; }
virtual Keyed_Filter* get_cipher(const std::string&, Cipher_Dir);
@@ -129,7 +147,9 @@ NR_Operation* nr_op(const DL_Group&, const BigInt&, const BigInt&);
ELG_Operation* elg_op(const DL_Group&, const BigInt&, const BigInt&);
+#if defined(BOTAN_HAS_DH)
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,
diff --git a/src/core/libstate/info.txt b/src/core/libstate/info.txt
index f160ca771..6a54463ac 100644
--- a/src/core/libstate/info.txt
+++ b/src/core/libstate/info.txt
@@ -7,7 +7,9 @@ define LIBSTATE_MODULE
<add>
def_alg.cpp
def_mode.cpp
+def_powm.cpp
eng_base.cpp
+eng_def.h
engine.cpp
engine.h
get_enc.cpp
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 07:36:49 +0000