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/* sha512.h
 * Copyright (C) 2007 Tillmann Werner <tillmann.werner@gmx.de>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License Version 2 as
 * published by the Free Software Foundation.  You may not use, modify or
 * distribute this program under any other version of the GNU General
 * Public License.
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 * This code is based on the SHA-512 code by Jean-Luc Cooke <jlcooke@certainkey.com>
 *
 *
 * $Id$
 */


#ifndef _NEBULA_SHA512_H
#define _NEBULA_SHA512_H

#include <string.h>
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>


#define ROLuns64(a,b) ( ((a) << ((b) & 63)) | ((a) >> (64-((b) & 63))) )
#define RORuns64(a,b) ( ((a) >> ((b) & 63)) | ((a) << (64-((b) & 63))) )


typedef struct {
  u_int64_t	state[8];
  u_char	buf[128];
  u_int32_t	count[4];
} sha512_context;


extern void sha512_init(sha512_context *c);
extern void sha512_update(sha512_context *c, u_char *input, unsigned int inLen);
extern void sha512_final(u_char *digest, sha512_context *c);

char *mem_sha512sum(u_char *msg, u_int32_t len);

#endif