/************************************************* * Modular Reducer Header File * * (C) 1999-2007 Jack Lloyd * *************************************************/ #ifndef BOTAN_MODARITH_H__ #define BOTAN_MODARITH_H__ #include namespace Botan { /************************************************* * Modular Reducer * *************************************************/ class BOTAN_DLL Modular_Reducer { public: BigInt multiply(const BigInt&, const BigInt&) const; BigInt square(const BigInt&) const; BigInt reduce(const BigInt&) const; bool initialized() const { return (mod_words != 0); } Modular_Reducer() { mod_words = 0; } Modular_Reducer(const BigInt&); private: BigInt modulus, modulus_2, mu; u32bit mod_words, mod2_words, mu_words; }; } #endif