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751d00c47e
- Replace SawTooth copyright header with MySQL's - Bug#19209 Test 'rpl_openssl' hangs on Windows - Spurious "2013 Connection to server lost" errors fixed yaSSL doesn't close socket anymore, that is left to the application
98 lines
2.5 KiB
C++
98 lines
2.5 KiB
C++
/*
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Copyright (C) 2000-2007 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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MA 02110-1301 USA.
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*/
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/* aes.hpp defines AES
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*/
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#ifndef TAO_CRYPT_AES_HPP
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#define TAO_CRYPT_AES_HPP
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#include "misc.hpp"
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#include "modes.hpp"
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#if defined(TAOCRYPT_X86ASM_AVAILABLE) && defined(TAO_ASM)
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#define DO_AES_ASM
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#endif
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namespace TaoCrypt {
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enum { AES_BLOCK_SIZE = 16 };
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// AES encryption and decryption, see FIPS-197
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class AES : public Mode_BASE {
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public:
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enum { BLOCK_SIZE = AES_BLOCK_SIZE };
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AES(CipherDir DIR, Mode MODE)
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: Mode_BASE(BLOCK_SIZE, DIR, MODE) {}
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#ifdef DO_AES_ASM
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void Process(byte*, const byte*, word32);
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#endif
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void SetKey(const byte* key, word32 sz, CipherDir fake = ENCRYPTION);
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void SetIV(const byte* iv) { memcpy(r_, iv, BLOCK_SIZE); }
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private:
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static const word32 rcon_[];
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word32 rounds_;
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word32 key_[60]; // max size
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static const word32 Te[5][256];
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static const word32 Td[5][256];
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static const word32* Te0;
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static const word32* Te1;
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static const word32* Te2;
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static const word32* Te3;
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static const word32* Te4;
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static const word32* Td0;
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static const word32* Td1;
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static const word32* Td2;
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static const word32* Td3;
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static const word32* Td4;
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void encrypt(const byte*, const byte*, byte*) const;
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void AsmEncrypt(const byte*, byte*, void*) const;
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void decrypt(const byte*, const byte*, byte*) const;
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void AsmDecrypt(const byte*, byte*, void*) const;
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void ProcessAndXorBlock(const byte*, const byte*, byte*) const;
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AES(const AES&); // hide copy
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AES& operator=(const AES&); // and assign
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};
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typedef BlockCipher<ENCRYPTION, AES, ECB> AES_ECB_Encryption;
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typedef BlockCipher<DECRYPTION, AES, ECB> AES_ECB_Decryption;
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typedef BlockCipher<ENCRYPTION, AES, CBC> AES_CBC_Encryption;
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typedef BlockCipher<DECRYPTION, AES, CBC> AES_CBC_Decryption;
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} // naemspace
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#endif // TAO_CRYPT_AES_HPP
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