lilliput-ae-reference-implementation

commit b64afaa513d66390005ea515ecd2393cb7e19c4f
parent 5c838d9c65fb9b0aa3a0181ebc6fa5b91e345220
Author: Kévin Le Gouguec <kevin.legouguec@airbus.com>
Date:   Mon,  1 Jul 2019 17:25:15 +0200

Mise à jour de l'implémentation felicsref

Diffstat:
M
src/add_felicsref/tweakey.c
 | 
9
++++-----

1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/src/add_felicsref/tweakey.c b/src/add_felicsref/tweakey.c
@@ -81,11 +81,10 @@ static void _multiply(uint8_t TKj[LANE_BYTES], matrix_multiplication alpha)
 
 void tweakey_state_update(uint8_t TK[TWEAKEY_BYTES])
 {
-    /* Skip lane 0, as it is multiplied by the identity matrix. */
-
-    _multiply(TK + 1*LANE_BYTES, _multiply_M);
-    _multiply(TK + 2*LANE_BYTES, _multiply_M2);
-    _multiply(TK + 3*LANE_BYTES, _multiply_M3);
+    _multiply(TK + 0*LANE_BYTES, _multiply_M);
+    _multiply(TK + 1*LANE_BYTES, _multiply_M2);
+    _multiply(TK + 2*LANE_BYTES, _multiply_M3);
+    _multiply(TK + 3*LANE_BYTES, _multiply_M4);
 
 #if LANES_NB >= 5
     _multiply(TK + 4*LANE_BYTES, _multiply_MR);