3 files changed, 13 insertions, 1 deletions
diff --git a/openssl/crypto/ec/ec2_smpl.c b/openssl/crypto/ec/ec2_smpl.c
index cf357b462..af94458ca 100644
--- a/openssl/crypto/ec/ec2_smpl.c
+++ b/openssl/crypto/ec/ec2_smpl.c
@@ -937,6 +937,9 @@ 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)
 		{
diff --git a/openssl/crypto/ec/ec_key.c b/openssl/crypto/ec/ec_key.c
index 12fb0e6d6..522802c07 100644
--- a/openssl/crypto/ec/ec_key.c
+++ b/openssl/crypto/ec/ec_key.c
@@ -304,7 +304,13 @@ 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/openssl/crypto/ec/ecp_smpl.c b/openssl/crypto/ec/ecp_smpl.c
index 4d26f8bdf..66a92e2a9 100644
--- a/openssl/crypto/ec/ecp_smpl.c
+++ b/openssl/crypto/ec/ecp_smpl.c
@@ -1406,6 +1406,9 @@ 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)
 		{