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/*
Implementation of the Lilliput-AE tweakable block cipher.
Authors:
Kévin Le Gouguec,
Léo Reynaud,
Alexandre Adomnicai, 2019.
For more information, feedback or questions, refer to our website:
https://paclido.fr/lilliput-ae
To the extent possible under law, the implementer has waived all copyright
and related or neighboring rights to the source code in this file.
http://creativecommons.org/publicdomain/zero/1.0/
---
This file provides the interface for Lilliput-TBC's tweakey schedule.
*/
#ifndef TWEAKEY_H
#define TWEAKEY_H
#include <stdint.h>
#include "constants.h"
void tweakey_state_init_TI(
uint8_t TK_X[TWEAKEY_BYTES],
uint8_t TK_Y[TWEAKEY_BYTES],
const uint8_t key[KEY_BYTES],
const uint8_t tweak[TWEAK_BYTES]
);
void tweakey_state_extract_TI(
const uint8_t TK_X[TWEAKEY_BYTES],
const uint8_t TK_Y[KEY_BYTES],
uint8_t round_constant,
uint8_t round_tweakey_X[ROUND_TWEAKEY_BYTES],
uint8_t round_tweakey_Y[ROUND_TWEAKEY_BYTES]
);
void tweakey_state_update_TI(uint8_t TK_X[TWEAKEY_BYTES], uint8_t TK_Y[KEY_BYTES]);
#endif /* TWEAKEY_H */
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