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Diffstat (limited to 'old/botan/build/botan/dsa_op.h')
-rw-r--r-- | old/botan/build/botan/dsa_op.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/old/botan/build/botan/dsa_op.h b/old/botan/build/botan/dsa_op.h new file mode 100644 index 0000000..0b112c6 --- /dev/null +++ b/old/botan/build/botan/dsa_op.h @@ -0,0 +1,53 @@ +/* +* DSA Operations +* (C) 1999-2008 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ + +#ifndef BOTAN_DSA_OPS_H__ +#define BOTAN_DSA_OPS_H__ + +#include <botan/numthry.h> +#include <botan/pow_mod.h> +#include <botan/reducer.h> +#include <botan/dl_group.h> + +namespace Botan { + +/* +* DSA Operation +*/ +class BOTAN_DLL DSA_Operation + { + public: + virtual bool verify(const byte[], u32bit, + const byte[], u32bit) const = 0; + virtual SecureVector<byte> sign(const byte[], u32bit, + const BigInt&) const = 0; + virtual DSA_Operation* clone() const = 0; + virtual ~DSA_Operation() {} + }; + +/* +* Botan's Default DSA Operation +*/ +class BOTAN_DLL Default_DSA_Op : public DSA_Operation + { + public: + bool verify(const byte[], u32bit, const byte[], u32bit) const; + SecureVector<byte> sign(const byte[], u32bit, const BigInt&) const; + + DSA_Operation* clone() const { return new Default_DSA_Op(*this); } + + Default_DSA_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 |