67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
/*
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*****************************************************************************
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*
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* File: sha1.h
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*
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* Purpose: Header for sha1.c
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*
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* sha - An implementation of the NIST SHA1 Message Digest
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* algorithm.
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*
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* Copyright (C) 2001 Rafael R. Sevilla <sevillar@team.ph.inter.net>
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*
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* License (GNU Public License):
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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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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*
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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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*
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*****************************************************************************
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*/
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#ifndef SHA1_H
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#define SHA1_H 1
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#include "common.h"
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#ifdef WIN32
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#define BYTEORDER 1234
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#endif
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/* Truncate to 32 bits -- should be a null op on 32-bit machines
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*/
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#ifndef TRUNC32
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#define TRUNC32(x) ((x) & 0xffffffffL)
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#endif
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#define SHA1_BLOCKSIZE 64
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#define SHA1_BLOCK_LEN SHA1_BLOCKSIZE
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#define SHA1_DIGEST_LEN 20
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#define SHA1_DIGEST_STR_LEN (SHA1_DIGEST_LEN * 2 + 1)
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#define SHA1_B64_LEN 27
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typedef struct {
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uint32_t digest[8];
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uint32_t count_lo, count_hi;
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uint8_t data[SHA1_BLOCKSIZE];
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int local;
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} SHA1_INFO;
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/* SHA1 prototypes.
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*/
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void sha1_init(SHA1_INFO *sha1_info);
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void sha1_update(SHA1_INFO *sha1_info, uint8_t *buffer, int count);
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void sha1_final(uint8_t digest[SHA1_DIGEST_LEN], SHA1_INFO *sha1_info);
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#endif /* SHA1_H */
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