static cmpresult_t uECC_vli_cmp_unsafe(const uECC_word_t *left,
                                       const uECC_word_t *right,
                                       wordcount_t num_words) {
    wordcount_t i;
    for (i = num_words - 1; i >= 0; --i) {
        if (left[i] > right[i]) {
            return 1;
        } else if (left[i] < right[i]) {
            return -1;
        }
    }
    return 0;
}