Correction d'un shift dans M³ (spec et implem)

1 files changed, 1 insertions, 1 deletions

diff --git a/src/tweakey.c b/src/tweakey.c
index e6f3c36..9f67ed6 100644
--- a/src/tweakey.c
+++ b/src/tweakey.c
@@ -144,7 +144,7 @@ static void _multiply_M3(const uint8_t X[LANE_BYTES], uint8_t Y[LANE_BYTES])
     Y[5] = M_2[X[4]] ^ M_1[X[3]] ^ X[2];
     Y[4] = X[6]<<2   ^ X[3]>>6   ^ X[2]>>3 ^ X[1];
     Y[3] = X[5]<<2   ^ X[0];
-    Y[2] = X[7]      ^ X[5]<<6   ^ X[4]<<2;
+    Y[2] = X[7]      ^ X[5]<<5   ^ X[4]<<2;
     Y[1] = X[6];
     Y[0] = X[5];
 }