53 lines
2.0 KiB
C
53 lines
2.0 KiB
C
/****************************************************************************
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* tools/cxd56/clefia.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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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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