70 lines
2.4 KiB
C
70 lines
2.4 KiB
C
/* echo.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 ECHO_H_
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#define ECHO_H_
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#include <stdint.h>
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#define ECHO_SMALL_BLOCKSIZE 1536
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#define ECHO_SMALL_BLOCKSIZE_B ((ECHO_SMALL_BLOCKSIZE+7)/8)
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#define ECHO_LARGE_BLOCKSIZE 1024
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#define ECHO_LARGE_BLOCKSIZE_B ((ECHO_LARGE_BLOCKSIZE+7)/8)
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#define ECHO224_BLOCKSIZE ECHO_SMALL_BLOCKSIZE
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#define ECHO224_BLOCKSIZE_B ((ECHO224_BLOCKSIZE+7)/8)
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#define ECHO256_BLOCKSIZE ECHO_SMALL_BLOCKSIZE
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#define ECHO256_BLOCKSIZE_B ((ECHO256_BLOCKSIZE+7)/8)
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#define ECHO384_BLOCKSIZE ECHO_LARGE_BLOCKSIZE
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#define ECHO384_BLOCKSIZE_B ((ECHO384_BLOCKSIZE+7)/8)
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#define ECHO512_BLOCKSIZE ECHO_LARGE_BLOCKSIZE
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#define ECHO512_BLOCKSIZE_B ((ECHO512_BLOCKSIZE+7)/8)
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typedef struct{
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uint8_t v[4*16];
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uint8_t salt[16];
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uint64_t counter;
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uint16_t id;
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}echo_small_ctx_t;
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typedef struct{
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uint8_t v[8*16];
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uint8_t salt[16];
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uint64_t counter;
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uint16_t id;
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}echo_large_ctx_t;
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void echo_small_nextBlock(echo_small_ctx_t *ctx, void *block);
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void echo_small_lastBlock(echo_small_ctx_t *ctx, void *block, uint16_t length_b);
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void echo_small_ctx2hash(void *dest, uint16_t length_b, echo_small_ctx_t *ctx);
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void echo224_ctx2hash(void *dest, echo_small_ctx_t *ctx);
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void echo256_ctx2hash(void *dest, echo_small_ctx_t *ctx);
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void echo224_init(echo_small_ctx_t *ctx);
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void echo256_init(echo_small_ctx_t *ctx);
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void echo_large_nextBlock(echo_large_ctx_t *ctx, void *block);
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void echo_large_lastBlock(echo_large_ctx_t *ctx, void *block, uint16_t length_b);
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void echo_large_ctx2hash(void *dest, uint16_t length_b, echo_large_ctx_t *ctx);
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void echo384_ctx2hash(void *dest, echo_large_ctx_t *ctx);
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void echo512_ctx2hash(void *dest, echo_large_ctx_t *ctx);
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void echo384_init(echo_large_ctx_t *ctx);
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void echo512_init(echo_large_ctx_t *ctx);
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#endif /* ECHO_H_ */
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