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/*************************************************
* OpenSSL Engine Header File *
* (C) 1999-2007 Jack Lloyd *
*************************************************/
#ifndef BOTAN_ENGINE_OPENSSL_H__
#define BOTAN_ENGINE_OPENSSL_H__
#include <botan/engine.h>
namespace Botan {
/*************************************************
* OpenSSL Engine *
*************************************************/
class BOTAN_DLL OpenSSL_Engine : public Engine
{
public:
/**
* Return the provider name ("openssl")
*/
std::string provider_name() const { return "openssl"; }
#if defined(BOTAN_HAS_IF_PUBLIC_KEY_FAMILY)
IF_Operation* if_op(const BigInt&, const BigInt&, const BigInt&,
const BigInt&, const BigInt&, const BigInt&,
const BigInt&, const BigInt&) const;
#endif
#if defined(BOTAN_HAS_DSA)
DSA_Operation* dsa_op(const DL_Group&, const BigInt&,
const BigInt&) const;
#endif
#if defined(BOTAN_HAS_NYBERG_RUEPPEL)
NR_Operation* nr_op(const DL_Group&, const BigInt&, const BigInt&) const;
#endif
#if defined(BOTAN_HAS_ELGAMAL)
ELG_Operation* elg_op(const DL_Group&, const BigInt&,
const BigInt&) const;
#endif
#if defined(BOTAN_HAS_DIFFIE_HELLMAN)
DH_Operation* dh_op(const DL_Group&, const BigInt&) const;
#endif
Modular_Exponentiator* mod_exp(const BigInt&,
Power_Mod::Usage_Hints) const;
private:
BlockCipher* find_block_cipher(const SCAN_Name&,
Algorithm_Factory&) const;
StreamCipher* find_stream_cipher(const SCAN_Name&,
Algorithm_Factory&) const;
HashFunction* find_hash(const SCAN_Name&, Algorithm_Factory&) const;
};
}
#endif
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