From: Bodo Möller <bodo@openssl.org>
Date: Mon, 16 Sep 2002 13:52:48 +0000 (+0000)
Subject: make sure 'neg' flag (which does not really matter for GF(2^m), but
X-Git-Tag: OpenSSL_0_9_7-beta4~168^2~3
X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff_plain;h=4c8f79a33e8efe5302700389edb4d574f2228765

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
---

diff --git a/crypto/ec/ec2_smpl.c b/crypto/ec/ec2_smpl.c
index ece8abb8f6..b218c5639a 100644
--- a/crypto/ec/ec2_smpl.c
+++ b/crypto/ec/ec2_smpl.c
@@ -364,8 +364,11 @@ int ec_GF2m_simple_point_set_affine_coordinates(const EC_GROUP *group, EC_POINT
 		}
 
 	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 @@ int ec_GF2m_simple_point_get_affine_coordinates(const EC_GROUP *group, const EC_
 	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;