ossl_bn_priv_rand_range_fixed_top
} else if (!ossl_bn_priv_rand_range_fixed_top(k, dsa->params.q, 0, ctx))
res = ossl_bn_priv_rand_range_fixed_top(k, order, 0, ctx);
int ossl_bn_priv_rand_range_fixed_top(BIGNUM *r, const BIGNUM *range,