/*****************************************************************************\
 *  hash_k12.c -  KangarooTwelve hash plugin
*****************************************************************************
 *  Copyright (C) SchedMD LLC.
 *
 *  This file is part of Slurm, a resource management program.
 *  For details, see <https://slurm.schedmd.com/>.
 *  Please also read the included file: DISCLAIMER.
 *
 *  Slurm 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.
 *
 *  In addition, as a special exception, the copyright holders give permission
 *  to link the code of portions of this program with the OpenSSL library under
 *  certain conditions as described in each individual source file, and
 *  distribute linked combinations including the two. You must obey the GNU
 *  General Public License in all respects for all of the code used other than
 *  OpenSSL. If you modify file(s) with this exception, you may extend this
 *  exception to your version of the file(s), but you are not obligated to do
 *  so. If you do not wish to do so, delete this exception statement from your
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 *
 *  Slurm is distributed in the hope that it will be useful, but WITHOUT ANY
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 *  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 Slurm; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA.
\*****************************************************************************/

#define _GNU_SOURCE

#include "src/common/slurm_xlator.h"

#include "src/interfaces/hash.h"
#include "src/common/log.h"

#include "src/plugins/hash/common_xkcp/KangarooTwelve.h"

/* Required Slurm plugin symbols: */
const char plugin_name[] = "KangarooTwelve hash plugin";
const char plugin_type[] = "hash/k12";
const uint32_t plugin_version = SLURM_VERSION_NUMBER;

/* Required for hash plugins: */
const uint32_t plugin_id = HASH_PLUGIN_K12;

extern int init(void)
{
	debug("%s: %s loaded", __func__, plugin_name);

	return SLURM_SUCCESS;
}

extern void fini(void)
{
	debug("%s: unloading %s", __func__, plugin_name);
}

extern int hash_p_compute(char *input, int len, char *custom_str, int cs_len,
			   slurm_hash_t *hash)
{
	if (KangarooTwelve((unsigned char *) input, len, hash->hash,
			   sizeof(hash->hash), (unsigned char *) custom_str,
			   cs_len))
		return -1;

	hash->type = HASH_PLUGIN_K12;

	return (sizeof(hash->hash));
}
