/* Make an list empty, is frees the memory allocated*/
void make_list_attribute_empty(list_attribute_type *list)
{
attribute_type aux;
while (!is_empty_attribute_list(list))
{
aux=remove_first_of_list_attribute(list);
free_attribute(aux);
}
}
// just in user_add_attribute useable
void add_attribute( user_secret_key * out, public_key pk, public_key att) {
//trick it s just a fake public_key
public_key par_pk;
par_pk.ID_tuple = att.ID_tuple;
par_pk.level = att.level - 1;
public_key_copy(&(out->pk), &par_pk);
domain_manager* par = dm_from_publickey(par_pk);
Q_tuple SK_u;
generate_SK_u(&SK_u,par, pk);
// free_Q_tuple(out->Q_tuple);
element_t SK_a;
generate_SK_ua(&SK_a, par, pk, att);
out-> SK_a = (element_t* ) malloc( sizeof(element_t));
out->number_of_attributes = 1;
element_init_G1(out->SK_a[0], pairing);
element_set(out->SK_a[0], SK_a);
element_clear(SK_a);
out->Q_tuple = SK_u;
attribute temp;
attribute_from_pk(&temp, att);
out->attribute = (attribute*) malloc(sizeof(attribute));
attribute_copy(out->attribute, &temp);
free_attribute(temp);
}
