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authorlloyd <[email protected]>2008-10-01 15:17:52 +0000
committerlloyd <[email protected]>2008-10-01 15:17:52 +0000
commit92ddf6f0f8f0ef6f5584889481e4a098e280ee40 (patch)
tree4178ad93250da66d0eb18f9dfcce221bbb57bcd7 /src/pubkey/nr/nr_op.h
parent1034cf44b4ee0948312c11a1b079b8b04c5828e2 (diff)
Move last pieces of algorithm-specific code from general 'pubkey' module
into algorithm-specific directories. (Dependencies still remain on these in core/libstate, though).
Diffstat (limited to 'src/pubkey/nr/nr_op.h')
-rw-r--r--src/pubkey/nr/nr_op.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/src/pubkey/nr/nr_op.h b/src/pubkey/nr/nr_op.h
new file mode 100644
index 000000000..11c2cd26a
--- /dev/null
+++ b/src/pubkey/nr/nr_op.h
@@ -0,0 +1,51 @@
+/*************************************************
+* NR Operations Header File *
+* (C) 1999-2008 Jack Lloyd *
+*************************************************/
+
+#ifndef BOTAN_NR_OPS_H__
+#define BOTAN_NR_OPS_H__
+
+#include <botan/pow_mod.h>
+#include <botan/numthry.h>
+#include <botan/reducer.h>
+#include <botan/dl_group.h>
+
+namespace Botan {
+
+/*************************************************
+* NR Operation *
+*************************************************/
+class BOTAN_DLL NR_Operation
+ {
+ public:
+ virtual SecureVector<byte> verify(const byte[], u32bit) const = 0;
+ virtual SecureVector<byte> sign(const byte[], u32bit,
+ const BigInt&) const = 0;
+ virtual NR_Operation* clone() const = 0;
+ virtual ~NR_Operation() {}
+ };
+
+/*************************************************
+* Botan's Default NR Operation *
+*************************************************/
+class BOTAN_DLL Default_NR_Op : public NR_Operation
+ {
+ public:
+ SecureVector<byte> verify(const byte[], u32bit) const;
+ SecureVector<byte> sign(const byte[], u32bit, const BigInt&) const;
+
+ NR_Operation* clone() const { return new Default_NR_Op(*this); }
+
+ Default_NR_Op(const DL_Group&, const BigInt&, const BigInt&);
+ private:
+ const BigInt x, y;
+ const DL_Group group;
+ Fixed_Base_Power_Mod powermod_g_p, powermod_y_p;
+ Modular_Reducer mod_p, mod_q;
+ };
+
+
+}
+
+#endif