lilliput-ae-reference-implementation

Implementations of Lilliput-AE submitted to the NIST LWC standardization process
git clone https://git.kevinlegouguec.net/lilliput-ae-reference-implementation
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tweakey.h (1188B)

      1 /*
      2 Implementation of the Lilliput-AE tweakable block cipher.
      3 
      4 Authors, hereby denoted as "the implementer":
      5     Alexandre Adomnicai,
      6     Kévin Le Gouguec,
      7     Léo Reynaud,
      8     2019.
      9 
     10 For more information, feedback or questions, refer to our website:
     11 https://paclido.fr/lilliput-ae
     12 
     13 To the extent possible under law, the implementer has waived all copyright
     14 and related or neighboring rights to the source code in this file.
     15 http://creativecommons.org/publicdomain/zero/1.0/
     16 
     17 ---
     18 
     19 This file provides the interface for the first-order threshold implementation
     20 of Lilliput-TBC's tweakey schedule.
     21 */
     22 
     23 #ifndef TWEAKEY_H
     24 #define TWEAKEY_H
     25 
     26 #include <stdint.h>
     27 
     28 #include "constants.h"
     29 
     30 
     31 void tweakey_state_init(
     32     uint8_t TK_X[TWEAKEY_BYTES],
     33     uint8_t TK_Y[TWEAKEY_BYTES],
     34     const uint8_t key[KEY_BYTES],
     35     const uint8_t tweak[TWEAK_BYTES]
     36 );
     37 
     38 void tweakey_state_extract(
     39     const uint8_t TK_X[TWEAKEY_BYTES],
     40     const uint8_t TK_Y[KEY_BYTES],
     41     uint8_t round_constant,
     42     uint8_t round_tweakey_X[ROUND_TWEAKEY_BYTES],
     43     uint8_t round_tweakey_Y[ROUND_TWEAKEY_BYTES]
     44 );
     45 
     46 void tweakey_state_update(uint8_t TK_X[TWEAKEY_BYTES], uint8_t TK_Y[KEY_BYTES]);
     47 
     48 
     49 #endif /* TWEAKEY_H */