internal-knot-m.h

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/*
 * Copyright (C) 2020 Southern Storm Software, Pty Ltd.
 *
 * 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
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 */

#ifndef LW_INTERNAL_KNOT_M_H
#define LW_INTERNAL_KNOT_M_H

#include "internal-masking.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef struct
{
    mask_uint64_t S[4]; 
} knot256_masked_state_t;

typedef struct
{
    mask_uint64_t L[4]; 
    mask_uint32_t H[4]; 
} knot384_masked_state_t;

typedef struct
{
    mask_uint64_t S[8]; 
} knot512_masked_state_t;

void knot256_masked_permute_6(knot256_masked_state_t *state, uint8_t rounds);

void knot256_masked_permute_7(knot256_masked_state_t *state, uint8_t rounds);

void knot256_mask(knot256_masked_state_t *output, const uint64_t input[4]);

void knot256_unmask(uint64_t output[4], const knot256_masked_state_t *input);

void knot384_masked_permute_7(knot384_masked_state_t *state, uint8_t rounds);

void knot384_mask(knot384_masked_state_t *output, const uint32_t input[12]);

void knot384_unmask(uint32_t output[12], const knot384_masked_state_t *input);

void knot512_masked_permute_7(knot512_masked_state_t *state, uint8_t rounds);

void knot512_masked_permute_8(knot512_masked_state_t *state, uint8_t rounds);

void knot512_mask(knot512_masked_state_t *output, const uint64_t input[8]);

void knot512_unmask(uint64_t output[8], const knot512_masked_state_t *input);

#ifdef __cplusplus
}
#endif

#endif