From dd616752a1ad3a4cae469ea9ceac50141debe32b Mon Sep 17 00:00:00 2001
From: "Dr. Stephen Henson" <steve@openssl.org>
Date: Wed, 19 Jan 2011 14:42:42 +0000
Subject: [PATCH] oops, revert mistakenly committed EC changes

---
 crypto/ec/ec2_smpl.c | 19 +------------------
 crypto/ec/ec_key.c   |  8 +-------
 crypto/ec/ec_lcl.h   |  2 --
 crypto/ec/ecp_smpl.c | 11 +++--------
 4 files changed, 5 insertions(+), 35 deletions(-)

diff --git a/crypto/ec/ec2_smpl.c b/crypto/ec/ec2_smpl.c
index 00ad347b9a..cf357b462a 100644
--- a/crypto/ec/ec2_smpl.c
+++ b/crypto/ec/ec2_smpl.c
@@ -363,12 +363,7 @@ int ec_GF2m_simple_point_set_affine_coordinates(const EC_GROUP *group, EC_POINT
 	if (!BN_copy(&point->Z, BN_value_one())) goto err;
 	BN_set_negative(&point->Z, 0);
 	point->Z_is_one = 1;
-	if (BN_num_bits(x) > BN_num_bits(&group->field))
-		ret = 2;
-	else if (BN_num_bits(y) > BN_num_bits(&group->field))
-		ret = 2;
-	else
-		ret = 1;
+	ret = 1;
 
   err:
 	return ret;
@@ -942,9 +937,6 @@ int ec_GF2m_simple_cmp(const EC_GROUP *group, const EC_POINT *a, const EC_POINT
 		{
 		return EC_POINT_is_at_infinity(group, b) ? 0 : 1;
 		}
-
-	if (EC_POINT_is_at_infinity(group, b))
-		return 1;
 	
 	if (a->Z_is_one && b->Z_is_one)
 		{
@@ -975,15 +967,6 @@ int ec_GF2m_simple_cmp(const EC_GROUP *group, const EC_POINT *a, const EC_POINT
 	return ret;
 	}
 
-int ec_GF2m_simple_range(const EC_GROUP *group, const EC_POINT *a)
-	{
-	if (BN_num_bits(&a->X) > BN_num_bits(&group->field))
-		return 0;
-	if (BN_num_bits(&a->Y) > BN_num_bits(&group->field))
-		return 0;
-	return 1;
-	}
-
 
 /* Forces the given EC_POINT to internally use affine coordinates. */
 int ec_GF2m_simple_make_affine(const EC_GROUP *group, EC_POINT *point, BN_CTX *ctx)
diff --git a/crypto/ec/ec_key.c b/crypto/ec/ec_key.c
index 522802c07a..12fb0e6d6d 100644
--- a/crypto/ec/ec_key.c
+++ b/crypto/ec/ec_key.c
@@ -304,13 +304,7 @@ int EC_KEY_check_key(const EC_KEY *eckey)
 		ECerr(EC_F_EC_KEY_CHECK_KEY, ERR_R_PASSED_NULL_PARAMETER);
 		return 0;
 		}
-
-	if (EC_POINT_is_at_infinity(eckey->group, eckey->pub_key))
-		{
-		ECerr(EC_F_EC_KEY_CHECK_KEY, EC_R_POINT_AT_INFINITY);
-		goto err;
-		}
-
+	
 	if ((ctx = BN_CTX_new()) == NULL)
 		goto err;
 	if ((point = EC_POINT_new(eckey->group)) == NULL)
diff --git a/crypto/ec/ec_lcl.h b/crypto/ec/ec_lcl.h
index 4e9c4dab36..fd751e5eb1 100644
--- a/crypto/ec/ec_lcl.h
+++ b/crypto/ec/ec_lcl.h
@@ -323,7 +323,6 @@ int ec_GFp_simple_invert(const EC_GROUP *, EC_POINT *, BN_CTX *);
 int ec_GFp_simple_is_at_infinity(const EC_GROUP *, const EC_POINT *);
 int ec_GFp_simple_is_on_curve(const EC_GROUP *, const EC_POINT *, BN_CTX *);
 int ec_GFp_simple_cmp(const EC_GROUP *, const EC_POINT *a, const EC_POINT *b, BN_CTX *);
-int ec_GFp_simple_range(const EC_GROUP *group, const EC_POINT *a);
 int ec_GFp_simple_make_affine(const EC_GROUP *, EC_POINT *, BN_CTX *);
 int ec_GFp_simple_points_make_affine(const EC_GROUP *, size_t num, EC_POINT *[], BN_CTX *);
 int ec_GFp_simple_field_mul(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
@@ -380,7 +379,6 @@ int ec_GF2m_simple_invert(const EC_GROUP *, EC_POINT *, BN_CTX *);
 int ec_GF2m_simple_is_at_infinity(const EC_GROUP *, const EC_POINT *);
 int ec_GF2m_simple_is_on_curve(const EC_GROUP *, const EC_POINT *, BN_CTX *);
 int ec_GF2m_simple_cmp(const EC_GROUP *, const EC_POINT *a, const EC_POINT *b, BN_CTX *);
-int ec_GF2m_simple_range(const EC_GROUP *group, const EC_POINT *a);
 int ec_GF2m_simple_make_affine(const EC_GROUP *, EC_POINT *, BN_CTX *);
 int ec_GF2m_simple_points_make_affine(const EC_GROUP *, size_t num, EC_POINT *[], BN_CTX *);
 int ec_GF2m_simple_field_mul(const EC_GROUP *, BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
diff --git a/crypto/ec/ecp_smpl.c b/crypto/ec/ecp_smpl.c
index 3e56b71a21..4d26f8bdf6 100644
--- a/crypto/ec/ecp_smpl.c
+++ b/crypto/ec/ecp_smpl.c
@@ -441,11 +441,8 @@ int ec_GFp_simple_set_Jprojective_coordinates_GFp(const EC_GROUP *group, EC_POIN
 			}
 		point->Z_is_one = Z_is_one;
 		}
-
-	if (BN_cmp(&point->X, x) || BN_cmp(&point->Y, y))
-		ret = 2;
-	else
-		ret = 1;
+	
+	ret = 1;
 	
  err:
 	if (new_ctx != NULL)
@@ -1409,9 +1406,6 @@ int ec_GFp_simple_cmp(const EC_GROUP *group, const EC_POINT *a, const EC_POINT *
 		{
 		return EC_POINT_is_at_infinity(group, b) ? 0 : 1;
 		}
-
-	if (EC_POINT_is_at_infinity(group, b))
-		return 1;
 	
 	if (a->Z_is_one && b->Z_is_one)
 		{
@@ -1500,6 +1494,7 @@ int ec_GFp_simple_cmp(const EC_GROUP *group, const EC_POINT *a, const EC_POINT *
 	return ret;
 	}
 
+
 int ec_GFp_simple_make_affine(const EC_GROUP *group, EC_POINT *point, BN_CTX *ctx)
 	{
 	BN_CTX *new_ctx = NULL;
-- 
2.25.1