copied Crypto from sandbox to trunk

Crypto/src/CipherFactory.cpp

@@ -0,0 +1,99 @@
+//
+// CipherFactory.cpp
+//
+// $Id$
+//
+// Library: Crypto
+// Package: CryptoCore
+// Module:  CipherFactory
+//
+// Copyright (c) 2008, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// Permission is hereby granted, free of charge, to any person or organization
+// obtaining a copy of the software and accompanying documentation covered by
+// this license (the "Software") to use, reproduce, display, distribute,
+// execute, and transmit the Software, and to prepare derivative works of the
+// Software, and to permit third-parties to whom the Software is furnished to
+// do so, all subject to the following:
+// 
+// The copyright notices in the Software and this entire statement, including
+// the above license grant, this restriction and the following disclaimer,
+// must be included in all copies of the Software, in whole or in part, and
+// all derivative works of the Software, unless such copies or derivative
+// works are solely in the form of machine-executable object code generated by
+// a source language processor.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+
+#include "Poco/Crypto/CipherFactory.h"
+#include "Poco/Crypto/Cipher.h"
+#include "Poco/Crypto/CipherKey.h"
+#include "Poco/Crypto/RSAKey.h"
+#include "Poco/Crypto/CipherImpl.h"
+#include "Poco/Crypto/RSACipherImpl.h"
+
+#include "Poco/Exception.h"
+#include "Poco/SingletonHolder.h"
+
+#include <openssl/evp.h>
+#include <openssl/err.h>
+
+
+namespace Poco {
+namespace Crypto {
+
+
+int CipherFactory::_instanceCount = 0;
+
+
+CipherFactory::CipherFactory()
+{
+	if (_instanceCount == 0)
+	{
+		OpenSSL_add_all_algorithms();
+		ERR_load_crypto_strings();
+	}
+	++_instanceCount;
+}
+
+
+CipherFactory::~CipherFactory()
+{
+	--_instanceCount;
+	if (_instanceCount == 0)
+	{
+		ERR_free_strings();
+		EVP_cleanup();
+	}
+}
+
+
+CipherFactory& CipherFactory::defaultFactory()
+{
+	static Poco::SingletonHolder<CipherFactory> holder;
+	return *holder.get();
+}
+
+
+Cipher* CipherFactory::createCipher(const CipherKey& key)
+{
+	return new CipherImpl(key);
+}
+
+
+Cipher* CipherFactory::createCipher(const RSAKey& key)
+{
+	return new RSACipherImpl(key);
+}
+
+
+} } // namespace Poco::Crypto