From 17231ebbb95cc45cca50eabc4799c3058fc78ee9 Mon Sep 17 00:00:00 2001
From: lloyd <lloyd@randombit.net>
Date: Sun, 26 Oct 2008 02:18:05 +0000
Subject: Move libstate and selftest out of core/ dir to toplevel

---
 src/libstate/def_powm.cpp | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 src/libstate/def_powm.cpp

(limited to 'src/libstate/def_powm.cpp')

diff --git a/src/libstate/def_powm.cpp b/src/libstate/def_powm.cpp
new file mode 100644
index 000000000..a28438f5b
--- /dev/null
+++ b/src/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);
+   }
+
+}
-- 
cgit v1.2.3