/* * Nyberg-Rueppel * (C) 1999-2007 Jack Lloyd * * Distributed under the terms of the Botan license */ #ifndef BOTAN_NYBERG_RUEPPEL_H__ #define BOTAN_NYBERG_RUEPPEL_H__ #include #include namespace Botan { /* * Nyberg-Rueppel Public Key */ class BOTAN_DLL NR_PublicKey : public PK_Verifying_with_MR_Key, public virtual DL_Scheme_PublicKey { public: std::string algo_name() const { return "NR"; } SecureVector verify(const byte[], u32bit) const; u32bit max_input_bits() const; DL_Group::Format group_format() const { return DL_Group::ANSI_X9_57; } u32bit message_parts() const { return 2; } u32bit message_part_size() const; NR_PublicKey() {} NR_PublicKey(const DL_Group&, const BigInt&); protected: NR_Core core; private: void X509_load_hook(); }; /* * Nyberg-Rueppel Private Key */ class BOTAN_DLL NR_PrivateKey : public NR_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; NR_PrivateKey() {} NR_PrivateKey(RandomNumberGenerator&, const DL_Group&, const BigInt& = 0); private: void PKCS8_load_hook(RandomNumberGenerator&, bool = false); }; } #endif