diff options
author | Karen Arutyunov <karen@codesynthesis.com> | 2017-11-02 23:11:29 +0300 |
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committer | Karen Arutyunov <karen@codesynthesis.com> | 2017-11-24 09:33:15 +0300 |
commit | 354bb40e75d94466e91fe6960523612c9d17ccfb (patch) | |
tree | bdf8b8b90191b98e4b32b62e6cb0e947ea5d5ae2 /mysql/extra/yassl/taocrypt/include/blowfish.hpp | |
parent | 4bce3c574df293415c7b2f45b9c2951262fe3412 (diff) |
Add implementation
Diffstat (limited to 'mysql/extra/yassl/taocrypt/include/blowfish.hpp')
-rw-r--r-- | mysql/extra/yassl/taocrypt/include/blowfish.hpp | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/mysql/extra/yassl/taocrypt/include/blowfish.hpp b/mysql/extra/yassl/taocrypt/include/blowfish.hpp new file mode 100644 index 0000000..1f8d058 --- /dev/null +++ b/mysql/extra/yassl/taocrypt/include/blowfish.hpp @@ -0,0 +1,88 @@ +/* + Copyright (c) 2006, 2012, Oracle and/or its affiliates. All rights reserved. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; version 2 of the License. + + 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 General Public License + along with this program; see the file COPYING. If not, write to the + Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + MA 02110-1301 USA. +*/ + +/* blowfish.hpp defines Blowfish +*/ + + +#ifndef TAO_CRYPT_BLOWFISH_HPP +#define TAO_CRYPT_BLOWFISH_HPP + +#include "misc.hpp" +#include "modes.hpp" +#ifdef USE_SYS_STL + #include <algorithm> +#else + #include "algorithm.hpp" +#endif + + +namespace STL = STL_NAMESPACE; + + +#if defined(TAOCRYPT_X86ASM_AVAILABLE) && defined(TAO_ASM) + #define DO_BLOWFISH_ASM +#endif + + +namespace TaoCrypt { + +enum { BLOWFISH_BLOCK_SIZE = 8 }; + + +// Blowfish encryption and decryption, see +class Blowfish : public Mode_BASE { +public: + enum { BLOCK_SIZE = BLOWFISH_BLOCK_SIZE, ROUNDS = 16 }; + + Blowfish(CipherDir DIR, Mode MODE) + : Mode_BASE(BLOCK_SIZE, DIR, MODE), sbox_(pbox_ + ROUNDS + 2) {} + +#ifdef DO_BLOWFISH_ASM + void Process(byte*, const byte*, word32); +#endif + void SetKey(const byte* key, word32 sz, CipherDir fake = ENCRYPTION); + void SetIV(const byte* iv) { memcpy(r_, iv, BLOCK_SIZE); } +private: + static const word32 p_init_[ROUNDS + 2]; + static const word32 s_init_[4 * 256]; + + word32 pbox_[ROUNDS + 2 + 4 * 256]; + word32* sbox_; + + void crypt_block(const word32 in[2], word32 out[2]) const; + void AsmProcess(const byte* in, byte* out) const; + void ProcessAndXorBlock(const byte*, const byte*, byte*) const; + + Blowfish(const Blowfish&); // hide copy + Blowfish& operator=(const Blowfish&); // and assign +}; + + +typedef BlockCipher<ENCRYPTION, Blowfish, ECB> Blowfish_ECB_Encryption; +typedef BlockCipher<DECRYPTION, Blowfish, ECB> Blowfish_ECB_Decryption; + +typedef BlockCipher<ENCRYPTION, Blowfish, CBC> Blowfish_CBC_Encryption; +typedef BlockCipher<DECRYPTION, Blowfish, CBC> Blowfish_CBC_Decryption; + + + +} // namespace + +#endif // TAO_CRYPT_BLOWFISH_HPP + |