/*

 * Argon2 reference source code package - reference C implementations

 *

 * Copyright 2015

 * Daniel Dinu, Dmitry Khovratovich, Jean-Philippe Aumasson, and Samuel Neves

 *

 * You may use this work under the terms of a Creative Commons CC0 1.0 

 * License/Waiver or the Apache Public License 2.0, at your option. The terms of

 * these licenses can be found at:

 *

 * - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0

 * - Apache 2.0        : http://www.apache.org/licenses/LICENSE-2.0

 *

 * You should have received a copy of both of these licenses along with this

 * software. If not, they may be obtained at the above URLs.

 */

#ifndef ARGON2_OPT_H

#define ARGON2_OPT_H

#include "core.h"

#include <emmintrin.h>

/*

 * Function fills a new memory block and optionally XORs the old block over the new one.

 * Memory must be initialized.

 * @param state Pointer to the just produced block. Content will be updated(!)

 * @param ref_block Pointer to the reference block

 * @param next_block Pointer to the block to be XORed over. May coincide with @ref_block

 * @param with_xor Whether to XOR into the new block (1) or just overwrite (0)

 * @pre all block pointers must be valid

 */

static void fill_block(__m128i *s, const block *ref_block, block *next_block, int with_xor);

#endif /* ARGON2_OPT_H */