mirror of
https://github.com/MariaDB/server.git
synced 2025-01-30 18:41:56 +01:00
63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
/*
|
|
Copyright (c) 2005, 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.
|
|
*/
|
|
|
|
/* hc128.hpp defines HC128
|
|
*/
|
|
|
|
|
|
#ifndef TAO_CRYPT_HC128_HPP
|
|
#define TAO_CRYPT_HC128_HPP
|
|
|
|
#include "misc.hpp"
|
|
|
|
namespace TaoCrypt {
|
|
|
|
|
|
// HC128 encryption and decryption
|
|
class HC128 {
|
|
public:
|
|
|
|
typedef HC128 Encryption;
|
|
typedef HC128 Decryption;
|
|
|
|
|
|
HC128() {}
|
|
|
|
void Process(byte*, const byte*, word32);
|
|
void SetKey(const byte*, const byte*);
|
|
private:
|
|
word32 T_[1024]; /* P[i] = T[i]; Q[i] = T[1024 + i ]; */
|
|
word32 X_[16];
|
|
word32 Y_[16];
|
|
word32 counter1024_; /* counter1024 = i mod 1024 at the ith step */
|
|
word32 key_[8];
|
|
word32 iv_[8];
|
|
|
|
void SetIV(const byte*);
|
|
void GenerateKeystream(word32*);
|
|
void SetupUpdate();
|
|
|
|
HC128(const HC128&); // hide copy
|
|
const HC128 operator=(const HC128&); // and assign
|
|
};
|
|
|
|
} // namespace
|
|
|
|
|
|
#endif // TAO_CRYPT_HC128_HPP
|
|
|