UtlCryptoKeyRsa.h

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//  
// Copyright (C) 2008 SIPfoundry Inc. 
// Licensed by SIPfoundry under the LGPL license. 
//  
// Copyright (C) 2008 SIPez LLC. 
// Licensed to SIPfoundry under a Contributor Agreement. 
//  
// Copyright (C) 2008 Mutualink, Inc. 
// Licensed to SIPfoundry under a Contributor Agreement. 
//  
// $$ 

// Author: Sergey Kostanbaev <Sergey DOT Kostanbaev AT sipez DOT com>

#ifndef _UtlCryptoKeyRsa_h_
#define _UtlCryptoKeyRsa_h_

// SYSTEM INCLUDES
// APPLICATION INCLUDES
#include "utl/UtlCryptoKey.h"

// DEFINES
// MACROS
// EXTERNAL FUNCTIONS
// EXTERNAL VARIABLES
// STRUCTS
// TYPEDEFS
// FORWARD DECLARATIONS

class UtlCryptoKeyRsa : public UtlCryptoKey
{
/* //////////////////////////////// PUBLIC //////////////////////////////// */
public:

/* =============================== CREATORS =============================== */


   UtlCryptoKeyRsa();

   ~UtlCryptoKeyRsa();


/* ============================= MANIPULATORS ============================= */


   int generateKey();

   int importFromFile(const char* pFilename);

   int getMaxEncryptedSize(int srcLen) const;

   int encrypt(const unsigned char* pSrc,
               int srcLen,
               unsigned char* pDest,
               int* pDestLen) const;

   //UtlCryptoData* encrypt(const unsigned char* pSrc, int srcLen) const
   //{ return UtlCryptoKey::encrypt(pSrc, srcLen); }

   int getMaxDecryptedSize(int srcLen) const;

   int decrypt(const unsigned char* pSrc,
               int srcLen,
               unsigned char* pDest,
               int* pDestLen) const;

   int getMaxSignatureSize(int srcLen) const;

   int sign(const unsigned char* pSrc,
            int srcLen,
            unsigned char* pDest,
            int* pDestLen) const;

   int verify(const unsigned char* pSrc,
              int srcLen,
              const unsigned char* pSig,
              int sigLen) const;

   int encryptPrivate(const unsigned char* pSrc,
                      int srcLen,
                      unsigned char* pDest,
                      int* pDestLen) const;
   int decryptPrivate(const unsigned char* pSrc,
                      int srcLen,
                      unsigned char* pDest,
                      int* pDestLen) const;
   int encryptPublic(const unsigned char* pSrc,
                     int srcLen,
                     unsigned char* pDest,
                     int* pDestLen) const;
   int decryptPublic(const unsigned char* pSrc,
                     int srcLen,
                     unsigned char* pDest,
                     int* pDestLen) const;

/* ============================== ACCESSORS =============================== */



/* =============================== INQUIRY ================================ */


   UtlString output() const;



/* ////////////////////////////// PROTECTED /////////////////////////////// */
protected:


/* /////////////////////////////// PRIVATE //////////////////////////////// */
private:

   void clearKey();
   RSA* mpRsa;      
};


/* ============================ INLINE METHODS ============================ */

#endif  // _UtlCryptoKeyRsa_h_