lilliput-ae-reference-implementation

commit a28cc2d84f3a0411a9e6cd6c786bd114e9aa2b06
parent d9a168d5c3dad38a24b5d4535784739b7a2c1510
Author: Alexandre Adomnicai <a.adomnicai@trusted-objects.com>
Date:   Fri, 15 Mar 2019 13:29:01 +0100

Ajout de commentaires pour decrire la TI de ref

Diffstat:
M
src/add_threshold/cipher.c
 | 
11
++++++++---

1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/src/add_threshold/cipher.c b/src/add_threshold/cipher.c
@@ -1,5 +1,5 @@
 /*
-Implementation of the Lilliput-AE tweakable block cipher.
+Threshold Implementation of the Lilliput-AE tweakable block cipher.
 
 Authors, hereby denoted as "the implementer":
     Alexandre Adomnicai,
@@ -16,8 +16,13 @@ http://creativecommons.org/publicdomain/zero/1.0/
 
 ---
 
-This file provides a first-order threshold implementation for Lilliput-TBC,
-where the input block is split into three shares.
+This file provides a first-order threshold implementation of the Lilliput-AE 
+tweakable block cipher. The input block is split into 3 shares while the key 
+is split into 2 shares for the tweakey schedule. The S-box relies on look-up 
+tables and saves some memory usage at the cost of additional operations as 
+described in the specification. This implementation operates on 3 shares 
+throughout the entire round function in order to avoid extra randomness 
+generation to switch from 2 shares to 3 shares and vice versa.
 */
 
 #include <stdint.h>