63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
/* $Id$
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*****************************************************************************
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*
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* File: sha256.h
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*
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* Purpose: Header for sha.c
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*
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* sha - An implementation of the NIST SHA Message Digest
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* algorithm. This header covers SHA1 and SHA256
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*
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* Copyright (C) 2001 Rafael R. Sevilla <sevillar@team.ph.inter.net>
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*****************************************************************************
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*/
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#ifndef SHA256_H
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#define SHA256_H 1
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#include <endian.h>
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#include "fko_common.h"
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/* This should be fine for most systems (hopefully).
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*/
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#define BYTEORDER __BYTE_ORDER
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#define SHA_BLOCKSIZE 64
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#define SHA1_DIGESTSIZE 20
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#define SHA256_DIGESTSIZE 32
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typedef struct {
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uint32 digest[8];
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uint32 count_lo, count_hi;
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uint8 data[SHA_BLOCKSIZE];
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int local;
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} SHA_INFO;
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/* SHA1 prototypes.
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*/
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void sha1_init(SHA_INFO *sha_info);
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void sha1_update(SHA_INFO *sha_info, uint8 *buffer, int count);
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void sha1_final(uint8 digest[SHA1_DIGESTSIZE], SHA_INFO *sha_info);
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/* SHA256 prototypes.
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*/
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void sha256_init(SHA_INFO *sha_info);
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void sha256_update(SHA_INFO *sha_info, uint8 *buffer, int count);
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void sha256_final(SHA_INFO *sha_info);
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void sha256_unpackdigest(uint8 digest[SHA256_DIGESTSIZE], SHA_INFO *sha_info);
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#endif /* SHA256_H */
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