57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/*
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* (C) Copyright 2007-2013
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* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
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* Jerry Wang <wangflord@allwinnertech.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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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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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef __twofish_h__
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#define __twofish_h__
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#include "twofish.h"
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#define rotl(x,n) (((x) << ((__u32)(n))) | ((x) >> (32 - (__u32)(n))))
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#define rotr(x,n) (((x) >> ((__u32)(n))) | ((x) << (32 - (__u32)(n))))
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#define rotl16(x,n) (((x) << ((u16)(n))) | ((x) >> (16 - (u16)(n))))
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#define rotr16(x,n) (((x) >> ((u16)(n))) | ((x) << (16 - (u16)(n))))
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#define byteswap(x) ((rotl(x, 8) & 0x00ff00ff) | (rotr(x, 8) & 0xff00ff00))
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typedef struct
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{
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uint k_len;
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uint l_key[40];
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uint s_key[4];
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uint qt_gen;
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unsigned char q_tab[2][256];
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uint mt_gen;
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uint m_tab[4][256];
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uint mk_tab[4][256];
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}
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__attribute__ ((packed)) TWI;
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void twofish_new_set_key(TWI *pkey,const uint in_key[],const uint key_len);
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void twofish_new_encrypt(TWI *pkey,uint *in_blk);
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//void twofish_new_decrypt(TWI *pkey,uint *in_blk);
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void twofish_new_decrypt(TWI * pkey, uint * in_blk, uint * out_blk);
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#endif /* !__twofish_h__ */
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