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authorGaetan Leplus <gaetan.leplus@airbus.com>2019-07-05 16:16:19 +0200
committerGaetan Leplus <gaetan.leplus@airbus.com>2019-07-05 16:16:19 +0200
commita432c19745907a96303b3a25111e0fd622202e0c (patch)
tree3ac352a3598fa444d45695dbb2b4cee63698ac57 /src/ref/tweakey.c
parent92893d79b36c9fb5a90644b82d16d9fa2563feb1 (diff)
parent4f58d99e11e1c412a600f39f32a8d181765f0246 (diff)
downloadlilliput-ae-implem-a432c19745907a96303b3a25111e0fd622202e0c.tar.xz
Merge remote-tracking branch 'origin/master' into fix-vhdltbc
Diffstat (limited to 'src/ref/tweakey.c')
-rw-r--r--src/ref/tweakey.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/src/ref/tweakey.c b/src/ref/tweakey.c
index 2f357ca..510f35a 100644
--- a/src/ref/tweakey.c
+++ b/src/ref/tweakey.c
@@ -63,10 +63,11 @@ void tweakey_state_extract(
typedef void (*matrix_multiplication)(const uint8_t x[LANE_BYTES], uint8_t y[LANE_BYTES]);
-static const matrix_multiplication ALPHAS[6] = {
+static const matrix_multiplication ALPHAS[7] = {
_multiply_M,
_multiply_M2,
_multiply_M3,
+ _multiply_M4,
_multiply_MR,
_multiply_MR2,
_multiply_MR3
@@ -75,15 +76,13 @@ static const matrix_multiplication ALPHAS[6] = {
void tweakey_state_update(uint8_t TK[TWEAKEY_BYTES])
{
- /* Skip lane 0, as it is multiplied by the identity matrix. */
-
- for (size_t j=1; j<LANES_NB; j++)
+ for (size_t j=0; j<LANES_NB; j++)
{
uint8_t *TKj = TK + j*LANE_BYTES;
uint8_t TKj_old[LANE_BYTES];
memcpy(TKj_old, TKj, LANE_BYTES);
- ALPHAS[j-1](TKj_old, TKj);
+ ALPHAS[j](TKj_old, TKj);
}
}