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path: root/openssl/crypto/ec/ec_asn1.c
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Diffstat (limited to 'openssl/crypto/ec/ec_asn1.c')
-rw-r--r--openssl/crypto/ec/ec_asn1.c24
1 files changed, 19 insertions, 5 deletions
diff --git a/openssl/crypto/ec/ec_asn1.c b/openssl/crypto/ec/ec_asn1.c
index ae5553985..175eec534 100644
--- a/openssl/crypto/ec/ec_asn1.c
+++ b/openssl/crypto/ec/ec_asn1.c
@@ -83,7 +83,7 @@ int EC_GROUP_get_basis_type(const EC_GROUP *group)
/* everything else is currently not supported */
return 0;
}
-
+#ifndef OPENSSL_NO_EC2M
int EC_GROUP_get_trinomial_basis(const EC_GROUP *group, unsigned int *k)
{
if (group == NULL)
@@ -101,7 +101,6 @@ int EC_GROUP_get_trinomial_basis(const EC_GROUP *group, unsigned int *k)
return 1;
}
-
int EC_GROUP_get_pentanomial_basis(const EC_GROUP *group, unsigned int *k1,
unsigned int *k2, unsigned int *k3)
{
@@ -124,7 +123,7 @@ int EC_GROUP_get_pentanomial_basis(const EC_GROUP *group, unsigned int *k1,
return 1;
}
-
+#endif
/* some structures needed for the asn1 encoding */
@@ -340,6 +339,12 @@ static int ec_asn1_group2fieldid(const EC_GROUP *group, X9_62_FIELDID *field)
}
}
else /* nid == NID_X9_62_characteristic_two_field */
+#ifdef OPENSSL_NO_EC2M
+ {
+ ECerr(EC_F_EC_ASN1_GROUP2FIELDID, EC_R_GF2M_NOT_SUPPORTED);
+ goto err;
+ }
+#else
{
int field_type;
X9_62_CHARACTERISTIC_TWO *char_two;
@@ -419,6 +424,7 @@ static int ec_asn1_group2fieldid(const EC_GROUP *group, X9_62_FIELDID *field)
}
}
}
+#endif
ok = 1;
@@ -456,6 +462,7 @@ static int ec_asn1_group2curve(const EC_GROUP *group, X9_62_CURVE *curve)
goto err;
}
}
+#ifndef OPENSSL_NO_EC2M
else /* nid == NID_X9_62_characteristic_two_field */
{
if (!EC_GROUP_get_curve_GF2m(group, NULL, tmp_1, tmp_2, NULL))
@@ -464,7 +471,7 @@ static int ec_asn1_group2curve(const EC_GROUP *group, X9_62_CURVE *curve)
goto err;
}
}
-
+#endif
len_1 = (size_t)BN_num_bytes(tmp_1);
len_2 = (size_t)BN_num_bytes(tmp_2);
@@ -775,8 +782,13 @@ static EC_GROUP *ec_asn1_parameters2group(const ECPARAMETERS *params)
/* get the field parameters */
tmp = OBJ_obj2nid(params->fieldID->fieldType);
-
if (tmp == NID_X9_62_characteristic_two_field)
+#ifdef OPENSSL_NO_EC2M
+ {
+ ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, EC_R_GF2M_NOT_SUPPORTED);
+ goto err;
+ }
+#else
{
X9_62_CHARACTERISTIC_TWO *char_two;
@@ -862,6 +874,7 @@ static EC_GROUP *ec_asn1_parameters2group(const ECPARAMETERS *params)
/* create the EC_GROUP structure */
ret = EC_GROUP_new_curve_GF2m(p, a, b, NULL);
}
+#endif
else if (tmp == NID_X9_62_prime_field)
{
/* we have a curve over a prime field */
@@ -1065,6 +1078,7 @@ EC_GROUP *d2i_ECPKParameters(EC_GROUP **a, const unsigned char **in, long len)
if ((group = ec_asn1_pkparameters2group(params)) == NULL)
{
ECerr(EC_F_D2I_ECPKPARAMETERS, EC_R_PKPARAMETERS2GROUP_FAILURE);
+ ECPKPARAMETERS_free(params);
return NULL;
}