text: //
  // CipherImpl.h
  //
  // $Id: //poco/1.4/Crypto/include/Poco/Crypto/CipherImpl.h#2 $
  //
  // Library: Crypto
  // Package: Cipher
  // Module:  CipherImpl
  //
  // Definition of the CipherImpl class.
  //
  // 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.
  //
  
  
  #ifndef Crypto_CipherImpl_INCLUDED
  #define Crypto_CipherImpl_INCLUDED
  
  
  #include "Poco/Crypto/Crypto.h"
  #include "Poco/Crypto/Cipher.h"
  #include "Poco/Crypto/CipherKey.h"
  #include "Poco/Crypto/OpenSSLInitializer.h"
  #include <openssl/evp.h>
  
  
  namespace Poco {
  namespace Crypto {
  
  
  class CipherImpl: public Cipher
  	/// An implementation of the Cipher class for OpenSSL's crypto library.
  {
  public:
  	CipherImpl(const CipherKey& key);
  		/// Creates a new CipherImpl object for the given CipherKey.
  
  	virtual ~CipherImpl();
  		/// Destroys the CipherImpl.
  
  	const std::string& name() const;
  		/// Returns the name of the cipher.
  
  	CryptoTransform* createEncryptor();
  		/// Creates an encrytor object.
  
  	CryptoTransform* createDecryptor();
  		/// Creates a decrytor object.
  
  private:
  	CipherKey _key;
  	OpenSSLInitializer _openSSLInitializer;
  };
  
  
  //
  // Inlines
  //
  inline const std::string& CipherImpl::name() const
  {
  	return _key.name();
  }
  
  
  } } // namespace Poco::Crypto
  
  
  #endif // Crypto_CipherImpl_INCLUDED
  