+void ec_GFp_mont_group_finish(EC_GROUP *group)
+ {
+ if (group->field_data1 != NULL)
+ {
+ BN_MONT_CTX_free(group->field_data1);
+ group->field_data1 = NULL;
+ }
+ if (group->field_data2 != NULL)
+ {
+ BN_free(group->field_data2);
+ group->field_data2 = NULL;
+ }
+ ec_GFp_simple_group_finish(group);
+ }
+
+
+void ec_GFp_mont_group_clear_finish(EC_GROUP *group)
+ {
+ if (group->field_data1 != NULL)
+ {
+ BN_MONT_CTX_free(group->field_data1);
+ group->field_data1 = NULL;
+ }
+ if (group->field_data2 != NULL)
+ {
+ BN_clear_free(group->field_data2);
+ group->field_data2 = NULL;
+ }
+ ec_GFp_simple_group_clear_finish(group);
+ }
+
+
+int ec_GFp_mont_group_copy(EC_GROUP *dest, const EC_GROUP *src)
+ {
+ if (dest->field_data1 != NULL)
+ {
+ BN_MONT_CTX_free(dest->field_data1);
+ dest->field_data1 = NULL;
+ }
+ if (dest->field_data2 != NULL)
+ {
+ BN_clear_free(dest->field_data2);
+ dest->field_data2 = NULL;
+ }
+
+ if (!ec_GFp_simple_group_copy(dest, src)) return 0;
+
+ if (src->field_data1 != NULL)
+ {
+ dest->field_data1 = BN_MONT_CTX_new();
+ if (dest->field_data1 == NULL) return 0;
+ if (!BN_MONT_CTX_copy(dest->field_data1, src->field_data1)) goto err;
+ }
+ if (src->field_data2 != NULL)
+ {
+ dest->field_data2 = BN_dup(src->field_data2);
+ if (dest->field_data2 == NULL) goto err;
+ }
+
+ return 1;
+
+ err:
+ if (dest->field_data1 != NULL)
+ {
+ BN_MONT_CTX_free(dest->field_data1);
+ dest->field_data1 = NULL;
+ }
+ return 0;
+ }
+
+
+int ec_GFp_mont_group_set_curve(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)