PHP-SHA3-Streamable/bench-shake256-squeeze.php

#!/usr/bin/env php
<?php /* -*- coding: utf-8; indent-tabs-mode: t; tab-width: 4 -*-
vim: ts=4 noet ai */

use desktopd\SHA3\Sponge as SHA3;

require __DIR__ . '/namespaced/desktopd/SHA3/Sponge.php';

$length = 1024 * 1024; // 1MiB
$data = str_repeat ("\0", $length);

$start = microtime ();
$sponge = SHA3::init (SHA3::SHAKE256);
$sponge->absorb ('');
for ($i = 0; $i < 1024; ++$i) {
	$sponge->squeeze (1024);
}
$end = microtime ();

$start = explode (' ', $start);
$end = explode (' ', $end);
printf ("Squeezed %d Bytes in %.6f seconds\n"
	, $length
	, ($end[1] - $start[1]) + ($end[0] - $start[0]));