attr2bigint
attr2bigint(&(rsa_pri_attrs[i++]), &rawrsa->mod);
attr2bigint(&(rsa_pri_attrs[i++]), &rawrsa->pubexp);
attr2bigint(&(dsa_pri_attrs[i++]), &rawdsa->prime);
attr2bigint(&(dsa_pri_attrs[i++]), &rawdsa->subprime);
attr2bigint(&(dsa_pri_attrs[i++]), &rawdsa->base);
attr2bigint(&(dsa_pri_attrs[i++]), &rawdsa->value);