57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
/* keccak.h */
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/*
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This file is part of the AVR-Crypto-Lib.
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Copyright (C) 2006-2015 Daniel Otte (bg@nerilex.org)
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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 KECCAK_H_
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#define KECCAK_H_
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#include <stdint.h>
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#define KECCAK224_BLOCKSIZE 1152
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#define KECCAK224_BLOCKSIZE_B (KECCAK224_BLOCKSIZE / 8)
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#define KECCAK256_BLOCKSIZE 1088
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#define KECCAK256_BLOCKSIZE_B (KECCAK256_BLOCKSIZE / 8)
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#define KECCAK384_BLOCKSIZE 832
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#define KECCAK384_BLOCKSIZE_B (KECCAK384_BLOCKSIZE / 8)
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#define KECCAK512_BLOCKSIZE 576
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#define KECCAK512_BLOCKSIZE_B (KECCAK512_BLOCKSIZE / 8)
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typedef struct{
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uint8_t a[200];
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uint16_t r;
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uint8_t bs;
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} keccak_ctx_t;
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void keccak_init(uint16_t r, keccak_ctx_t *ctx);
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void keccak224_init(keccak_ctx_t *ctx);
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void keccak256_init(keccak_ctx_t *ctx);
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void keccak384_init(keccak_ctx_t *ctx);
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void keccak512_init(keccak_ctx_t *ctx);
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void keccak_nextBlock(keccak_ctx_t *ctx, const void *block);
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void keccak_lastBlock(keccak_ctx_t *ctx, const void *block, uint16_t length_b);
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void keccak_ctx2hash(void *dest, uint16_t length_b, keccak_ctx_t *ctx);
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void keccak224_ctx2hash(void *dest, keccak_ctx_t *ctx);
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void keccak256_ctx2hash(void *dest, keccak_ctx_t *ctx);
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void keccak384_ctx2hash(void *dest, keccak_ctx_t *ctx);
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void keccak512_ctx2hash(void *dest, keccak_ctx_t *ctx);
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#endif /* KECCAK_H_ */
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