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RSAKey.h

//
// RSAKey.h
//
// $Id: //poco/1.3/Crypto/include/Poco/Crypto/RSAKey.h#1 $
//
// Library: Crypto
// Package: CryptoCore
// Module:  RSAKey
//
// Definition of the RSAKey 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_RSAKey_INCLUDED
#define Crypto_RSAKey_INCLUDED


#include "Poco/Crypto/Crypto.h"
#include "Poco/Crypto/RSAKeyImpl.h"


namespace Poco {
      namespace Net {
            class X509Certificate;
      }
namespace Crypto {


00054 class Crypto_API RSAKey
      /// Stores an RSAKey
{
public:
      enum KeyLength
      {
            KL_512 = 512,
            KL_1024 = 1024,
            KL_2048 = 2048,
            KL_4096 = 4096
      };

      enum Exponent
      {
            EXP_SMALL = 0,
            EXP_LARGE
      };

      RSAKey(const Poco::Net::X509Certificate& cert);
            /// Extracts the RSAKey from the certificate

      RSAKey(KeyLength keyLength, Exponent exp);
            /// Creates the RSAKey. Creates a new public/private keypair using the given parameters.
            /// Can be used to sign and verify a stream

      RSAKey(const std::string& publicKeyFile, 
            const std::string& privateKeyFile="", 
            const std::string& privateKeyPwd="");
            /// Creates the RSAKey. Can only by used for signing if privateKeyFile
            /// is not empty.

      RSAKey(std::istream* pPubKey, 
            std::istream* pPrivKey = 0, 
            const std::string& privateKeyPwd="");
            /// Creates the RSAKey. Can only by used for signing if pPrivKey
            /// is not null. If a private key file is specified, you don't need to
            /// specify a public key file. OpenSSL will auto-create it from the private key.

      ~RSAKey();
            /// Destroys the RSAKey.

      int size() const;
            /// Returns the RSA_size

      void save(const std::string& pubKeyFile, const std::string& privKeyFile="", const std::string& privKeyPwd="");
            /// Exports the keys to the given files. pubKeyFile/privKeyFile can be empty

      void save(std::ostream* pPubKey, std::ostream* pPrivKey = 0, const std::string& privateKeyPwd = "");
            /// Exports the keys to the given streams. pPubKey/pPrivKey can be empty

      RSAKeyImpl::Ptr impl();
            /// Returns the impl object

      const std::string& name() const;
            /// Returns "rsa"
      
private:
00111       RSAKeyImpl::Ptr _pImpl;
};


00115 inline RSAKeyImpl::Ptr RSAKey::impl()
{
      return _pImpl;
}


} } // namespace Poco::Crypto


#endif // Crypto_RSAKey_INCLUDED

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