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authorBilly Brumley <bbrumley@gmail.com>2021-08-09 22:57:47 +0300
committerDmitry Belyavskiy <beldmit@users.noreply.github.com>2021-08-11 16:51:34 +0300
commitc5ec3860a0c95a74ee98210e0ac174924866dab1 (patch)
treeef3133f7c2ad1e29d1acd3d6c6b23a9c9ba59881 /ecp_id_tc26_gost_3410_2012_256_paramSetA.c
parent949e0de6bf5c9c75f18924f062cf505eea796361 (diff)
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push VKO cofactor clearing into ECCKiila
Diffstat (limited to 'ecp_id_tc26_gost_3410_2012_256_paramSetA.c')
-rw-r--r--ecp_id_tc26_gost_3410_2012_256_paramSetA.c6
1 files changed, 6 insertions, 0 deletions
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 */