f1600x.h

/*
 * Copyright (c) 2022 Arm Limited
 * Copyright (c) 2022 Matthias Kannwischer
 * SPDX-License-Identifier: MIT
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */

//
// This implementation is based on the public domain implementation of SPHINCS+
// available on https://github.com/sphincs/sphincsplus
//

#ifndef SPX_F1600X_H
#define SPX_F1600X_H

#if KECCAK_WAY == 4

#define STATE_IDX(r,i)                 \
    (KECCAK_WAY * (i) + (r))

#else

#define STATE_IDX(r,i)                 \
    ( ( (r) == 0 ) ? ( 2 * (i) + 0 ) : \
    ( ( (r) == 1 ) ? ( 2 * (i) + 1 ) : \
                     ( (r) * 25 + (i) ) ) )

#endif

extern void KECCAK_X_IMPL(uint64_t s[KECCAK_WAY*25]);
#define keccakx_asm(s) KECCAK_X_IMPL(s)

#endif