45 lines
1.6 KiB
C
45 lines
1.6 KiB
C
/* bcal-cbc.h */
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/*
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This file is part of the ARM-Crypto-Lib.
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Copyright (C) 2010 Daniel Otte (daniel.otte@rub.de)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef BCALCBC_H_
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#define BCALCBC_H_
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#include <stdint.h>
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#include "blockcipher_descriptor.h"
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#include "bcal-basic.h"
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typedef struct{
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bcdesc_t* desc;
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bcgen_ctx_t cctx;
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uint8_t* prev_block;
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uint8_t blocksize_B;
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} bcal_cbc_ctx_t;
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uint8_t bcal_cbc_init(const bcdesc_t* desc, const void* key, uint16_t keysize_b, bcal_cbc_ctx_t* ctx);
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void bcal_cbc_free(bcal_cbc_ctx_t* ctx);
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void bcal_cbc_loadIV(const void* iv, bcal_cbc_ctx_t* ctx);
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void bcal_cbc_encNext(void* block, bcal_cbc_ctx_t* ctx);
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void bcal_cbc_decNext(void* block, bcal_cbc_ctx_t* ctx);
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void bcal_cbc_decRand(void* block, const void* prev_block, bcal_cbc_ctx_t* ctx);
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void bcal_cbc_encMsg(const void* iv, void* msg, uint16_t msg_blocks, bcal_cbc_ctx_t* ctx);
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void bcal_cbc_decMsg(const void* iv, void* msg, uint16_t msg_blocks, bcal_cbc_ctx_t* ctx);
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#endif /* BCALCBC_H_ */
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