ascon-masked-state.h

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/*
 * Copyright (C) 2022 Southern Storm Software, Pty Ltd.
 *
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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:
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 * The above copyright notice and this permission notice shall be included
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#ifndef ASCON_MASKED_STATE_H
#define ASCON_MASKED_STATE_H
 
#include "ascon-masked-word.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct
{
    ascon_masked_word_t M[5]; 
} ascon_masked_state_t;
 
void ascon_masked_state_init(ascon_masked_state_t *state);
 
void ascon_masked_state_free(ascon_masked_state_t *state);
 
void ascon_x2_randomize(ascon_masked_state_t *state, ascon_trng_state_t *trng);
 
void ascon_x2_permute
    (ascon_masked_state_t *state, uint8_t first_round, uint64_t *preserve);
 
void ascon_x2_copy_from_x1
    (ascon_masked_state_t *dest, const ascon_state_t *src,
     ascon_trng_state_t *trng);
 
void ascon_x2_copy_to_x1(ascon_state_t *dest, const ascon_masked_state_t *src);
 
void ascon_x2_copy_from_x2
    (ascon_masked_state_t *dest, const ascon_masked_state_t *src,
     ascon_trng_state_t *trng);
 
void ascon_x2_copy_from_x3
    (ascon_masked_state_t *dest, const ascon_masked_state_t *src,
     ascon_trng_state_t *trng);
 
void ascon_x2_copy_from_x4
    (ascon_masked_state_t *dest, const ascon_masked_state_t *src,
     ascon_trng_state_t *trng);
 
void ascon_x3_randomize(ascon_masked_state_t *state, ascon_trng_state_t *trng);
 
void ascon_x3_permute
    (ascon_masked_state_t *state, uint8_t first_round, uint64_t *preserve);
 
void ascon_x3_copy_from_x1
    (ascon_masked_state_t *dest, const ascon_state_t *src,
     ascon_trng_state_t *trng);
 
void ascon_x3_copy_to_x1(ascon_state_t *dest, const ascon_masked_state_t *src);
 
void ascon_x3_copy_from_x2
    (ascon_masked_state_t *dest, const ascon_masked_state_t *src,
     ascon_trng_state_t *trng);
 
void ascon_x3_copy_from_x3
    (ascon_masked_state_t *dest, const ascon_masked_state_t *src,
     ascon_trng_state_t *trng);
 
void ascon_x3_copy_from_x4
    (ascon_masked_state_t *dest, const ascon_masked_state_t *src,
     ascon_trng_state_t *trng);
 
void ascon_x4_randomize(ascon_masked_state_t *state, ascon_trng_state_t *trng);
 
void ascon_x4_permute
    (ascon_masked_state_t *state, uint8_t first_round, uint64_t *preserve);
 
void ascon_x4_copy_from_x1
    (ascon_masked_state_t *dest, const ascon_state_t *src,
     ascon_trng_state_t *trng);
 
void ascon_x4_copy_to_x1(ascon_state_t *dest, const ascon_masked_state_t *src);
 
void ascon_x4_copy_from_x2
    (ascon_masked_state_t *dest, const ascon_masked_state_t *src,
     ascon_trng_state_t *trng);
 
void ascon_x4_copy_from_x3
    (ascon_masked_state_t *dest, const ascon_masked_state_t *src,
     ascon_trng_state_t *trng);
 
void ascon_x4_copy_from_x4
    (ascon_masked_state_t *dest, const ascon_masked_state_t *src,
     ascon_trng_state_t *trng);
 
void ascon_masked_key_128_randomize_with_trng
    (ascon_masked_key_128_t *masked, ascon_trng_state_t *trng);
 
void ascon_masked_key_160_randomize_with_trng
    (ascon_masked_key_160_t *masked, ascon_trng_state_t *trng);
 
#ifdef __cplusplus
}
#endif
 
#endif