62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
/* sha1.h */
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/*
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This file is part of the Crypto-avr-lib/microcrypt-lib.
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Copyright (C) 2008 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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/**
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* \file sha1.c
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* \author Daniel Otte
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* \date 2006-10-08
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* \par License:
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* GPL
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* \brief SHA-1 declaration.
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*
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*/
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#ifndef SHA1_H_
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#define SHA1_H_
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#include <stdint.h>
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#define SHA1_HASH_BITS 160
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#define SHA1_HASH_BYTES (SHA1_HASH_BITS/8)
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#define SHA1_BLOCK_BITS 512
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#define SHA1_BLOCK_BYTES (SHA1_BLOCK_BITS/8)
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/**
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* \brief SHA-1 context type
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*
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*/
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typedef struct {
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uint32_t h[5];
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uint64_t length;
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} sha1_ctx_t;
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typedef uint8_t sha1_hash_t[SHA1_HASH_BITS/8];
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void sha1_init(sha1_ctx_t *state);
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void sha1_nextBlock (sha1_ctx_t *state, void* block);
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void sha1_lastBlock (sha1_ctx_t *state, void* block, uint16_t length_b);
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void sha1_ctx2hash (sha1_hash_t *dest, sha1_ctx_t *state);
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void sha1 (sha1_hash_t *dest, void* msg, uint32_t length_b);
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#endif /*SHA1_H_*/
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