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/************************************************************************
 *   Bahamut / Azzurra include/sha1.h
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2, or (at your option)
 *   any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */


/*
 * SHA-1 in C
 * By Steve Reid <steve@edmweb.com>
 * 100% Public Domain
 */

#ifndef _SHA1_H_
#define _SHA1_H_

#define SHA1_BLOCK_LENGTH               64
#define SHA1_DIGEST_LENGTH              20

typedef struct
{
    uint32_t        state[5];
    uint64_t        count;
    unsigned char   buffer[SHA1_BLOCK_LENGTH];
} SHA1_CTX;

void SHA1Init(SHA1_CTX * context);
void SHA1Transform(uint32_t state[5], const unsigned char buffer[SHA1_BLOCK_LENGTH]);
void SHA1Update(SHA1_CTX *context, const unsigned char *data, unsigned int len);
void SHA1Final(unsigned char digest[SHA1_DIGEST_LENGTH], SHA1_CTX *context);

#endif /* _SHA1_H_ */