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/* vi: set sw=4 ts=4: */
/*
* Based on shasum from http://www.netsw.org/crypto/hash/
* Majorly hacked up to use Dr Brian Gladman's sha1 code
*
* Copyright (C) 2002 Dr Brian Gladman <brg@gladman.me.uk>, Worcester, UK.
* Copyright (C) 2003 Glenn L. McGrath
* Copyright (C) 2003 Erik Andersen
*
* 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 of the License, 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* ---------------------------------------------------------------------------
* Issue Date: 10/11/2002
*
* This is a byte oriented version of SHA1 that operates on arrays of bytes
* stored in memory. It runs at 22 cycles per byte on a Pentium P4 processor
*
* ---------------------------------------------------------------------------
*/
#ifndef HASH_SHA1_H
#define HASH_SHA1_H 1
#ifdef __cplusplus
extern "C" {
#endif
#define SHA1_RESULT_LEN (5 * 4)
typedef struct sha1_ctx_t {
uint8_t wbuffer[64]; /* always correctly aligned for uint64_t */
/* for sha256: void (*process_block)(struct md5_ctx_t*); */
uint64_t total64; /* must be directly before hash[] */
uint32_t hash[8]; /* 4 elements for md5, 5 for sha1, 8 for sha256 */
} sha1_ctx_t;
#define sha1_begin abrt_sha1_begin
void sha1_begin(sha1_ctx_t *ctx);
#define sha1_hash abrt_sha1_hash
void sha1_hash(sha1_ctx_t *ctx, const void *buffer, size_t len);
#define sha1_end abrt_sha1_end
void sha1_end(sha1_ctx_t *ctx, void *resbuf);
#ifdef __cplusplus
}
#endif
#endif
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