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| author | Kévin Le Gouguec <kevin.legouguec@airbus.com> | 2018-12-11 14:02:45 +0100 |
|---|---|---|
| committer | Kévin Le Gouguec <kevin.legouguec@airbus.com> | 2018-12-11 14:04:31 +0100 |
| commit | 0b90498964b43fa37111701030ac693484130c8a (patch) | |
| tree | 111d3ad485d0537c154e35cd7d153602444b03a9 /src/tweakey.c | |
| parent | ff1a325d96799d009e3813b7f7ff488a47508ca6 (diff) | |
| download | lilliput-ae-implem-0b90498964b43fa37111701030ac693484130c8a.tar.xz | |
Correction des shifts lors de la multiplication par MR
*Toutes* les opérations s'appliquent dans l'autre sens, *y compris les
shifts*, vu que on prend (y₀…y7)ᵗ = MR(x₀…x₇)ᵗ.
Diffstat (limited to 'src/tweakey.c')
| -rw-r--r-- | src/tweakey.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/tweakey.c b/src/tweakey.c index 6905372..8f2f7dd 100644 --- a/src/tweakey.c +++ b/src/tweakey.c @@ -115,10 +115,10 @@ static void _multiply_MR(const uint8_t X[LANE_BYTES], uint8_t Y[LANE_BYTES]) { Y[0] = X[1]; Y[1] = X[2]; - Y[2] = X[3] ^ X[4]<<3; + Y[2] = X[3] ^ X[4]>>3; Y[3] = X[4]; - Y[4] = X[5] ^ X[6]>>3; - Y[5] = X[6] ^ X[3]>>2; + Y[4] = X[5] ^ X[6]<<3; + Y[5] = X[6] ^ X[3]<<2; Y[6] = X[7]; Y[7] = X[0]; } |