66 lines
2.7 KiB
C
66 lines
2.7 KiB
C
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/****************************************************************************
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* tools/cxd56/clefia.h
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*
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* Copyright (C) 2007, 2008 Sony Corporation
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#ifndef _TOOLS_CXD56_CLEFIA_H_
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#define _TOOLS_CXD56_CLEFIA_H_
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/****************************************************************************
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* Public Types
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****************************************************************************/
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struct cipher
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{
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int mode;
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int dir;
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uint8_t rk[8 * 26 + 16];
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uint8_t vector[16];
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int round;
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uint8_t k1[16];
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uint8_t k2[16];
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};
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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struct cipher *cipher_init(uint8_t * key, uint8_t * iv);
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void cipher_deinit(struct cipher *c);
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int cipher_calc_cmac(struct cipher *c, void *data, int size, void *cmac);
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void bytexor(unsigned char *dst, const unsigned char *a,
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const unsigned char *b, int bytelen);
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int clefiakeyset(unsigned char *rk, const unsigned char *skey);
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void clefiaencrypt(unsigned char *ct, const unsigned char *pt,
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const unsigned char *rk, const int r);
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#endif
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