CppCMS/private/aes_encryptor.h

///////////////////////////////////////////////////////////////////////////////
//                                                                             
//  Copyright (C) 2008-2012  Artyom Beilis (Tonkikh) <artyomtnk@yahoo.com>     
//                                                                             
//  See accompanying file COPYING.TXT file for licensing details.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef CPPCMS_AES_ENCRYPTOR_H
#define CPPCMS_AES_ENCRYPTOR_H

#include <string>
#include <cppcms/session_cookies.h>
#include <cppcms/crypto.h>

namespace cppcms {
namespace sessions {
namespace impl {

class CPPCMS_API aes_factory : public encryptor_factory {
public:
	aes_factory(std::string const &cbc,crypto::key const &cbc_key,std::string const &hmac,crypto::key const &hmac_key);
	aes_factory(std::string const &algo,crypto::key const &k);
	virtual std::auto_ptr<encryptor> get();
	virtual ~aes_factory() {}
private:
	std::string cbc_;
	crypto::key cbc_key_;
	std::string hmac_;
	crypto::key hmac_key_;
};

class CPPCMS_API aes_cipher : public cppcms::sessions::encryptor {
public:
	aes_cipher(std::string const &cbc_name,std::string const &md_name,crypto::key const &cbc_key,crypto::key const &md_key);
	~aes_cipher();
	virtual std::string encrypt(std::string const &plain);
	virtual bool decrypt(std::string const &cipher,std::string &plain);
private:
	void load();
	std::auto_ptr<crypto::cbc> cbc_;
	std::auto_ptr<crypto::message_digest> digest_;
	std::string cbc_name_,md_name_;
	crypto::key cbc_key_;
	crypto::key mac_key_;

};

} // impl
} // sessions
} // cppcms


#endif