source: box/trunk/lib/crypto/CipherBlowfish.h @ 3098

// --------------------------------------------------------------------------
//
// File
//              Name:    CipherBlowfish.h
//              Purpose: Blowfish cipher description
//              Created: 1/12/03
//
// --------------------------------------------------------------------------

#ifndef CIPHERBLOWFISH__H
#define CIPHERBLOWFISH__H

#ifdef HAVE_OLD_SSL
        #include <string>
#endif

#include "CipherDescription.h"

// --------------------------------------------------------------------------
//
// Class
//              Name:    CipherBlowfish
//              Purpose: Description of Blowfish cipher parameters -- note that copies are not made of key material and IV, careful with object lifetimes.
//              Created: 1/12/03
//
// --------------------------------------------------------------------------
class CipherBlowfish : public CipherDescription
{
public:
        CipherBlowfish(CipherDescription::CipherMode Mode, const void *pKey, unsigned int KeyLength, const void *pInitialisationVector = 0);
        CipherBlowfish(const CipherBlowfish &rToCopy);
        virtual ~CipherBlowfish();
        CipherBlowfish &operator=(const CipherBlowfish &rToCopy);
        
        // Return OpenSSL cipher object
        virtual const EVP_CIPHER *GetCipher() const;
        
        // Setup any other parameters
        virtual void SetupParameters(EVP_CIPHER_CTX *pCipherContext) const;

        virtual std::string GetCipherName() const
        {
                std::ostringstream out;
                out << "AES";
                out << mKeyLength;
                return out.str();
        }
        virtual CipherMode GetCipherMode() const { return mMode; }

#ifdef HAVE_OLD_SSL
        CipherDescription *Clone() const;
        void SetIV(const void *pIV);
#endif

private:
        CipherDescription::CipherMode mMode;
#ifndef HAVE_OLD_SSL
        const void *mpKey;
        unsigned int mKeyLength;
        const void *mpInitialisationVector;
#else
        std::string mKey;
        uint8_t mInitialisationVector[8];
#endif
};


#endif // CIPHERBLOWFISH__H