commit 4c8f79a33e8efe5302700389edb4d574f2228765
author Bodo Möller <bodo@openssl.org> Mon Sep 16 13:52:48 2002 +0000
committer Bodo Möller <bodo@openssl.org> Mon Sep 16 13:52:48 2002 +0000
tree 3bceb619c48044a568337fc155b5a25e6ec6c150
parent 7cc6ec7af70d1a11bc0277364c07031f6acecad3

make sure 'neg' flag (which does not really matter for GF(2^m), but
could cause confusion for ECDSA) is set to zero

Submitted by: Sheueling Chang

crypto/ec/ec2_smpl.c

diff --git a/crypto/ec/ec2_smpl.c b/crypto/ec/ec2_smpl.c
index ece8abb..b218c56 100644
--- a/crypto/ec/ec2_smpl.c
+++ b/crypto/ec/ec2_smpl.c
@@ -364,8 +364,11 @@
 		}
 
 	if (!BN_copy(&point->X, x)) goto err;
+	point->X.neg = 0;
 	if (!BN_copy(&point->Y, y)) goto err;
+	point->Y.neg = 0;
 	if (!BN_copy(&point->Z, BN_value_one())) goto err;
+	point->Z.neg = 0;
 	point->Z_is_one = 1;
 	ret = 1;
 
@@ -396,10 +399,12 @@
 	if (x != NULL)
 		{
 		if (!BN_copy(x, &point->X)) goto err;
+		x->neg = 0;
 		}
 	if (y != NULL)
 		{
 		if (!BN_copy(y, &point->Y)) goto err;
+		y->neg = 0;
 		}
 	ret = 1;