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/*
* Copyright (c) 2010 SURFnet bv
* Copyright (c) 2010 .SE (The Internet Infrastructure Foundation)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*****************************************************************************
BotanCryptoFactory.h
This is a Botan based cryptographic algorithm factory
*****************************************************************************/
#ifndef _SOFTHSM_V2_BOTANCRYPTOFACTORY_H
#define _SOFTHSM_V2_BOTANCRYPTOFACTORY_H
#ifdef HAVE_PTHREAD_H
#include <pthread.h>
#endif
#include "config.h"
#include "CryptoFactory.h"
#include "SymmetricAlgorithm.h"
#include "AsymmetricAlgorithm.h"
#include "HashAlgorithm.h"
#include "MacAlgorithm.h"
#include "RNG.h"
#include "MutexFactory.h"
#include <memory>
#include <map>
#include <botan/version.h>
class BotanCryptoFactory : public CryptoFactory
{
public:
// Return the one-and-only instance
static BotanCryptoFactory* i();
// This will destroy the one-and-only instance.
static void reset();
// Create a concrete instance of a symmetric algorithm
SymmetricAlgorithm* getSymmetricAlgorithm(SymAlgo::Type algorithm);
// Create a concrete instance of an asymmetric algorithm
AsymmetricAlgorithm* getAsymmetricAlgorithm(AsymAlgo::Type algorithm);
// Create a concrete instance of a hash algorithm
HashAlgorithm* getHashAlgorithm(HashAlgo::Type algorithm);
// Create a concrete instance of a MAC algorithm
MacAlgorithm* getMacAlgorithm(MacAlgo::Type algorithm);
// Get the global RNG (may be an unique RNG per thread)
RNG* getRNG(RNGImpl::Type name = RNGImpl::Default);
// Destructor
~BotanCryptoFactory();
private:
// Constructor
BotanCryptoFactory();
// The one-and-only instance
#ifdef HAVE_CXX11
static std::unique_ptr<BotanCryptoFactory> instance;
#else
static std::auto_ptr<BotanCryptoFactory> instance;
#endif
// Thread specific RNG
#ifdef HAVE_PTHREAD_H
std::map<pthread_t, RNG*> rngs;
#elif _WIN32
std::map<DWORD, RNG*> rngs;
#endif
Mutex* rngsMutex;
#if BOTAN_VERSION_CODE < BOTAN_VERSION_CODE_FOR(1,11,14)
bool wasInitialized;
#endif
};
#endif // !_SOFTHSM_V2_BOTANCRYPTOFACTORY_H
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