diff options
| -rw-r--r-- | src/ref/cipher.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/ref/cipher.c b/src/ref/cipher.c index 5822575..6f1b4b5 100644 --- a/src/ref/cipher.c +++ b/src/ref/cipher.c @@ -85,7 +85,7 @@ static void _compute_round_tweakeys( static uint8_t _Fj(uint8_t Xj, uint8_t RTKj) { - return S[Xj] ^ RTK[j]; + return S[Xj ^ RTKj]; } static void _nonlinear_layer(uint8_t X[BLOCK_BYTES], const uint8_t RTK[ROUND_TWEAKEY_BYTES]) |