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-rw-r--r--mysql/extra/yassl/taocrypt/include/aes.hpp155
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diff --git a/mysql/extra/yassl/taocrypt/include/aes.hpp b/mysql/extra/yassl/taocrypt/include/aes.hpp
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-/*
- Copyright (c) 2000, 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.
-*/
-
-/* aes.hpp defines AES
-*/
-
-
-#ifndef TAO_CRYPT_AES_HPP
-#define TAO_CRYPT_AES_HPP
-
-#include "misc.hpp"
-#include "modes.hpp"
-
-
-#if defined(TAOCRYPT_X86ASM_AVAILABLE) && defined(TAO_ASM)
- #define DO_AES_ASM
-#endif
-
-
-
-namespace TaoCrypt {
-
-
-enum { AES_BLOCK_SIZE = 16 };
-
-
-// AES encryption and decryption, see FIPS-197
-class AES : public Mode_BASE {
-public:
- enum { BLOCK_SIZE = AES_BLOCK_SIZE };
-
- AES(CipherDir DIR, Mode MODE)
- : Mode_BASE(BLOCK_SIZE, DIR, MODE) {}
-
-#ifdef DO_AES_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 rcon_[];
-
- word32 rounds_;
- word32 key_[60]; // max size
-
- static const word32 Te[5][256];
- static const word32 Td[5][256];
- static const byte CTd4[256];
-
- static const word32* Te0;
- static const word32* Te1;
- static const word32* Te2;
- static const word32* Te3;
- static const word32* Te4;
-
- static const word32* Td0;
- static const word32* Td1;
- static const word32* Td2;
- static const word32* Td3;
- static const word32* Td4;
-
- void encrypt(const byte*, const byte*, byte*) const;
- void AsmEncrypt(const byte*, byte*, void*) const;
- void decrypt(const byte*, const byte*, byte*) const;
- void AsmDecrypt(const byte*, byte*, void*) const;
-
- void ProcessAndXorBlock(const byte*, const byte*, byte*) const;
-
- word32 PreFetchTe() const;
- word32 PreFetchTd() const;
- word32 PreFetchCTd4() const;
-
- AES(const AES&); // hide copy
- AES& operator=(const AES&); // and assign
-};
-
-
-#if defined(__x86_64__) || defined(_M_X64) || \
- (defined(__ILP32__) && (__ILP32__ >= 1))
- #define TC_CACHE_LINE_SZ 64
-#else
- /* default cache line size */
- #define TC_CACHE_LINE_SZ 32
-#endif
-
-inline word32 AES::PreFetchTe() const
-{
- word32 x = 0;
-
- /* 4 tables of 256 entries */
- for (int i = 0; i < 4; i++) {
- /* each entry is 4 bytes */
- for (int j = 0; j < 256; j += TC_CACHE_LINE_SZ/4) {
- x &= Te[i][j];
- }
- }
-
- return x;
-}
-
-
-inline word32 AES::PreFetchTd() const
-{
- word32 x = 0;
-
- /* 4 tables of 256 entries */
- for (int i = 0; i < 4; i++) {
- /* each entry is 4 bytes */
- for (int j = 0; j < 256; j += TC_CACHE_LINE_SZ/4) {
- x &= Td[i][j];
- }
- }
-
- return x;
-}
-
-
-inline word32 AES::PreFetchCTd4() const
-{
- word32 x = 0;
- int i;
-
- for (i = 0; i < 256; i += TC_CACHE_LINE_SZ) {
- x &= CTd4[i];
- }
-
- return x;
-}
-
-
-typedef BlockCipher<ENCRYPTION, AES, ECB> AES_ECB_Encryption;
-typedef BlockCipher<DECRYPTION, AES, ECB> AES_ECB_Decryption;
-
-typedef BlockCipher<ENCRYPTION, AES, CBC> AES_CBC_Encryption;
-typedef BlockCipher<DECRYPTION, AES, CBC> AES_CBC_Decryption;
-
-
-} // naemspace
-
-#endif // TAO_CRYPT_AES_HPP