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| author | Kévin Le Gouguec <kevin.legouguec@airbus.com> | 2019-07-04 17:13:57 +0200 |
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| committer | Kévin Le Gouguec <kevin.legouguec@airbus.com> | 2019-07-04 17:13:57 +0200 |
| commit | 3d1334d6a9eb091b457f068033071f97d8758941 (patch) | |
| tree | ce7a28187e7c407f6fa56bf4ff4ed29245f8b484 /src/add_tweakeyloop/multiplications.h | |
| parent | 6589f3ef20f8f93168be49135764764cd0c02a23 (diff) | |
| parent | c670bbe78ea9bc18c9772ba5804f610937560d5f (diff) | |
| download | lilliput-ae-implem-3d1334d6a9eb091b457f068033071f97d8758941.tar.xz | |
Merge branch 'fix-tweakey-m4'
Diffstat (limited to 'src/add_tweakeyloop/multiplications.h')
| -rw-r--r-- | src/add_tweakeyloop/multiplications.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/add_tweakeyloop/multiplications.h b/src/add_tweakeyloop/multiplications.h index 45b9eaa..650373b 100644 --- a/src/add_tweakeyloop/multiplications.h +++ b/src/add_tweakeyloop/multiplications.h @@ -55,6 +55,17 @@ static void _multiply_M3(const uint8_t x[LANE_BYTES], uint8_t y[LANE_BYTES]) _multiply_M(M2_x, y); } +static void _multiply_M4(const uint8_t x[LANE_BYTES], uint8_t y[LANE_BYTES]) +{ + uint8_t M_x[LANE_BYTES]; + uint8_t M2_x[LANE_BYTES]; + uint8_t M3_x[LANE_BYTES]; + _multiply_M(x, M_x); + _multiply_M(M_x, M2_x); + _multiply_M(M2_x, M3_x); + _multiply_M(M3_x, y); +} + static void _multiply_MR(const uint8_t x[LANE_BYTES], uint8_t y[LANE_BYTES]) { y[0] = x[1]; |