# lrc / src / strategies / SerpentEncryption.hxx

  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 // SerpentEncryption.hxx // // Copyright 2011 Andreas Tscharner // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU Lesser General Public License as // published by the Free Software Foundation; either version 3 of the // License, or (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU Lesser General Public // License along with this program; if not, write to the Free Software // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, // MA 02110-1301, USA. /*! \file SerpentEncryption.hxx * * This file contains the declaration of the SerpenEncryption class. This * class is used to encrypt and decrypt the data using the \em Serpent * algorithm * * \author Andreas Tscharner * \date 2011-08-24 */ #ifndef __SERPENTENCRYPTION_HXX__ #define __SERPENTENCRYPTION_HXX__ #include "../include/EncryptDecrypt.hxx" /*! \class SerpentEncryption * * \brief Class to encrypt/decrypt using the \em Serpent algorithm * * This class encrypts and decrypts the given data using the \em Serpent * algorithm. The algorithm is not implemented here, instead the algorithm * from the crypto++ library is used */ class SerpentEncryption : public lrc::EncryptDecrypt { protected: /*! \brief Create initialization vector * * This method creates a random initialization vector for the * Serpent encryption * * \param[in,out] p_ivArray Array for initialization vector * \param[in] p_ivSize Size of the array * * \retval NO_ERROR Initialization vector successfully created * \retval ERROR_INVALID_PARAMETER The array was not created */ int create_initialization_vector(unsigned char *, size_t); public: /*! \brief Serpent encryption * * Method to encrypt the given data using the Serpent algorithm */ int encrypt(const unsigned char *, const unsigned char *, size_t, unsigned char **, size_t &); /*! \brief Serpent decryption * * Method to decrypt the given data using the Serpent algorithm */ int decrypt(const unsigned char *, const unsigned char *, size_t, unsigned char **, size_t &); }; #endif /* __SERPENTENCRYPTION_HXX__ */