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+/*
+ * Copyright (c) 2010 SURFnet bv
+ * 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.
+ */
+
+/*****************************************************************************
+ CryptoFactory.h
+
+ This class is a factory for all cryptographic algorithm implementations. It
+ is an abstract base class for a factory that produces cryptographic library
+ specific implementations of cryptographic algorithms.
+ *****************************************************************************/
+
+#ifndef _SOFTHSM_V2_CRYPTOFACTORY_H
+#define _SOFTHSM_V2_CRYPTOFACTORY_H
+
+#include "config.h"
+#include "SymmetricAlgorithm.h"
+#include "AsymmetricAlgorithm.h"
+#include "HashAlgorithm.h"
+#include "MacAlgorithm.h"
+#include "RNG.h"
+
+class CryptoFactory
+{
+public:
+ // Return the one-and-only instance
+ static CryptoFactory* i();
+
+ // This will destroy the one-and-only instance.
+ static void reset();
+
+#ifdef WITH_FIPS
+ // Return the FIPS 140-2 selftest status
+ virtual bool getFipsSelfTestStatus() const = 0;
+#endif
+
+ // Create a concrete instance of a symmetric algorithm
+ virtual SymmetricAlgorithm* getSymmetricAlgorithm(SymAlgo::Type algorithm) = 0;
+
+ // Recycle a symmetric algorithm instance -- override this function in the derived
+ // class if you need to perform specific clean-up
+ virtual void recycleSymmetricAlgorithm(SymmetricAlgorithm* toRecycle);
+
+ // Create a concrete instance of an asymmetric algorithm
+ virtual AsymmetricAlgorithm* getAsymmetricAlgorithm(AsymAlgo::Type algorithm) = 0;
+
+ // Recycle an asymmetric algorithm instance -- override this function in the derived
+ // class if you need to perform specific clean-up
+ virtual void recycleAsymmetricAlgorithm(AsymmetricAlgorithm* toRecycle);
+
+ // Create a concrete instance of a hash algorithm
+ virtual HashAlgorithm* getHashAlgorithm(HashAlgo::Type algorithm) = 0;
+
+ // Recycle a hash algorithm instance -- override this function in the derived
+ // class if you need to perform specific clean-up
+ virtual void recycleHashAlgorithm(HashAlgorithm* toRecycle);
+
+ // Create a concrete instance of a MAC algorithm
+ virtual MacAlgorithm* getMacAlgorithm(MacAlgo::Type algorithm) = 0;
+
+ // Recycle a MAC algorithm instance -- override this function in the derived
+ // class if you need to perform specific clean-up
+ virtual void recycleMacAlgorithm(MacAlgorithm* toRecycle);
+
+ // Get the global RNG (may be an unique RNG per thread)
+ virtual RNG* getRNG(RNGImpl::Type name = RNGImpl::Default) = 0;
+
+ // Destructor
+ virtual ~CryptoFactory() { }
+
+private:
+};
+
+#endif // !_SOFTHSM_V2_CRYPTOFACTORY_H
+