paulo@0: /*
paulo@0:  * $Id: sha1.h,v 1.10 2004/03/05 17:47:29 hipnod Exp $
paulo@0:  *
paulo@0:  * Copyright (C) 2001-2004 giFT project (gift.sourceforge.net)
paulo@0:  *
paulo@0:  * This program is free software; you can redistribute it and/or modify it
paulo@0:  * under the terms of the GNU General Public License as published by the
paulo@0:  * Free Software Foundation; either version 2, or (at your option) any
paulo@0:  * later version.
paulo@0:  *
paulo@0:  * This program is distributed in the hope that it will be useful, but
paulo@0:  * WITHOUT ANY WARRANTY; without even the implied warranty of
paulo@0:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
paulo@0:  * General Public License for more details.
paulo@0:  */
paulo@0: 
paulo@0: #ifndef GIFT_GT_SHA1_H_
paulo@0: #define GIFT_GT_SHA1_H_
paulo@0: 
paulo@0: /*****************************************************************************/
paulo@0: 
paulo@0: #define SHA_BLOCKSIZE		64
paulo@0: #define SHA_DIGESTSIZE		20
paulo@0: 
paulo@0: #define SHA1_BINSIZE        20
paulo@0: #define SHA1_STRLEN         32
paulo@0: 
paulo@0: /*****************************************************************************/
paulo@0: 
paulo@0: struct sha1_state
paulo@0: {
paulo@0: 	unsigned long  digest[5];           /* message digest */
paulo@0: 	unsigned long  count_lo, count_hi;  /* 64-bit bit count */
paulo@0: 	uint8_t        data[SHA_BLOCKSIZE]; /* SHA data buffer */
paulo@0: 	int            local;               /* unprocessed amount in data */
paulo@0: };
paulo@0: 
paulo@0: typedef struct sha1_state sha1_state_t;
paulo@0: 
paulo@0: /*****************************************************************************/
paulo@0: 
paulo@0: /* TODO: prefix these suckers */
paulo@0: char          *sha1_string (const unsigned char *sha1);
paulo@0: unsigned char *sha1_digest (const char *file, off_t size);
paulo@0: unsigned char *sha1_bin    (const char *ascii);
paulo@0: unsigned char *sha1_dup    (const unsigned char *sha1);
paulo@0: 
paulo@0: /*****************************************************************************/
paulo@0: 
paulo@0: void        gt_sha1_init   (sha1_state_t *state);
paulo@0: void        gt_sha1_append (sha1_state_t *state, const void *data,
paulo@0:                             size_t len);
paulo@0: void        gt_sha1_finish (sha1_state_t *state, unsigned char *hash);
paulo@0: 
paulo@0: /*****************************************************************************/
paulo@0: 
paulo@0: #endif /* GIFT_GT_SHA1_H_ */