diff options
Diffstat (limited to 'src/add_felicsref/tweakey.c')
| -rw-r--r-- | src/add_felicsref/tweakey.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/src/add_felicsref/tweakey.c b/src/add_felicsref/tweakey.c index 18a7792..47badde 100644 --- 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); |