From 5c838d9c65fb9b0aa3a0181ebc6fa5b91e345220 Mon Sep 17 00:00:00 2001 From: Kévin Le Gouguec Date: Mon, 1 Jul 2019 17:20:21 +0200 Subject: Mise à jour de l'implémentation tweakeyloop MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/add_tweakeyloop/multiplications.h | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'src/add_tweakeyloop/multiplications.h') 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]; -- cgit v1.2.3