/************************************************* * DSA Header File * * (C) 1999-2007 Jack Lloyd * *************************************************/ #ifndef BOTAN_DSA_H__ #define BOTAN_DSA_H__ #include #include namespace Botan { /************************************************* * DSA Public Key * *************************************************/ class BOTAN_DLL DSA_PublicKey : public PK_Verifying_wo_MR_Key, public virtual DL_Scheme_PublicKey { public: std::string algo_name() const { return "DSA"; } DL_Group::Format group_format() const { return DL_Group::ANSI_X9_57; } u32bit message_parts() const { return 2; } u32bit message_part_size() const; bool verify(const byte[], u32bit, const byte[], u32bit) const; u32bit max_input_bits() const; DSA_PublicKey() {} DSA_PublicKey(const DL_Group&, const BigInt&); protected: DSA_Core core; private: void X509_load_hook(); }; /************************************************* * DSA Private Key * *************************************************/ class BOTAN_DLL DSA_PrivateKey : public DSA_PublicKey, public PK_Signing_Key, public virtual DL_Scheme_PrivateKey { public: SecureVector sign(const byte[], u32bit, RandomNumberGenerator& rng) const; bool check_key(RandomNumberGenerator& rng, bool) const; DSA_PrivateKey() {} DSA_PrivateKey(RandomNumberGenerator&, const DL_Group&, const BigInt& = 0); private: void PKCS8_load_hook(RandomNumberGenerator& rng, bool = false); }; } #endif