PERF_NUM_OP
for (i = 0; i < PERF_NUM_OP; i++) {
(*n_perf_sign) = (unsigned int)((PERF_NUM_OP * 1000ULL) / cumulated_time_sign);
(*n_perf_verif) = (unsigned int)((PERF_NUM_OP * 1000ULL) / cumulated_time_verify);
(*n_perf_batch_verif) = (unsigned int)((PERF_NUM_OP * PERF_BATCH_VERIFICATION * 1000ULL) / cumulated_time_batch_verify);