internal-tinyjambu.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
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 * 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
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#ifndef LW_INTERNAL_TINYJAMBU_H
#define LW_INTERNAL_TINYJAMBU_H

#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

#define TINY_JAMBU_STATE_SIZE 4

#define TINYJAMBU_ROUNDS(steps) ((steps) / 128)

void tiny_jambu_permutation_128
    (uint32_t state[TINY_JAMBU_STATE_SIZE], const uint32_t *key,
     unsigned rounds);

void tiny_jambu_permutation_192
    (uint32_t state[TINY_JAMBU_STATE_SIZE], const uint32_t *key,
     unsigned rounds);

void tiny_jambu_permutation_256
    (uint32_t state[TINY_JAMBU_STATE_SIZE], const uint32_t *key,
     unsigned rounds);

#ifdef __cplusplus
}
#endif

#endif