From c5ec3860a0c95a74ee98210e0ac174924866dab1 Mon Sep 17 00:00:00 2001 From: Billy Brumley Date: Mon, 9 Aug 2021 22:57:47 +0300 Subject: push VKO cofactor clearing into ECCKiila --- ecp_id_tc26_gost_3410_2012_256_paramSetA.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'ecp_id_tc26_gost_3410_2012_256_paramSetA.c') diff --git a/ecp_id_tc26_gost_3410_2012_256_paramSetA.c b/ecp_id_tc26_gost_3410_2012_256_paramSetA.c index 9282fb7..f6bb491 100644 --- a/ecp_id_tc26_gost_3410_2012_256_paramSetA.c +++ b/ecp_id_tc26_gost_3410_2012_256_paramSetA.c @@ -3674,6 +3674,9 @@ static void var_smul_rwnaf(pt_aff_t *out, const unsigned char scalar[32], fiat_id_tc26_gost_3410_2012_256_paramSetA_selectznz(Q.Z, scalar[0] & 1, lut.Z, Q.Z); + point_double(&Q, &Q); + point_double(&Q, &Q); + /* move from Edwards projective to legacy projective */ point_edwards2legacy(&Q, &Q); /* convert to affine -- NB depends on coordinate system */ @@ -8881,6 +8884,9 @@ static void var_smul_rwnaf(pt_aff_t *out, const unsigned char scalar[32], fiat_id_tc26_gost_3410_2012_256_paramSetA_selectznz(Q.Z, scalar[0] & 1, lut.Z, Q.Z); + point_double(&Q, &Q); + point_double(&Q, &Q); + /* move from Edwards projective to legacy projective */ point_edwards2legacy(&Q, &Q); /* convert to affine -- NB depends on coordinate system */ -- cgit v1.1