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/*
* Default Engine
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_DEFAULT_ENGINE_H__
#define BOTAN_DEFAULT_ENGINE_H__
#include <botan/engine.h>
namespace Botan {
/*
* Default Engine
*/
class Default_Engine : public Engine
{
public:
std::string provider_name() const { return "core"; }
PK_Ops::Key_Agreement*
get_key_agreement_op(const Private_Key& key) const;
PK_Ops::Signature*
get_signature_op(const Private_Key& key) const;
PK_Ops::Verification* get_verify_op(const Public_Key& key) const;
PK_Ops::Encryption* get_encryption_op(const Public_Key& key) const;
PK_Ops::Decryption* get_decryption_op(const Private_Key& key) const;
Modular_Exponentiator* mod_exp(const BigInt& n,
Power_Mod::Usage_Hints) const;
virtual bool can_add_algorithms() { return true; }
Keyed_Filter* get_cipher(const std::string&, Cipher_Dir,
Algorithm_Factory&);
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& reqeust,
Algorithm_Factory&) const;
MessageAuthenticationCode* find_mac(const SCAN_Name& reqeust,
Algorithm_Factory&) const;
};
Keyed_Filter* get_cipher_mode(const BlockCipher* block_cipher,
Cipher_Dir direction,
const std::string& mode,
const std::string& padding);
}
#endif
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