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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
//
// +----------------------------------------------------------------------+
// | PHP version 4.0 |
// +----------------------------------------------------------------------+
// | Copyright (c) 2002-2004 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.02 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/2_02.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Authors: Jeroen Derks <jeroen@derks.it> |
// +----------------------------------------------------------------------+
//
// $Id: XteaTest.php,v 1.12 2004/10/04 19:51:56 jeroend Exp $
/** Xtea class */
require_once 'Crypt/Xtea.php';
/** PHPUnit class */
require_once 'PHPUnit.php';
/**
* Tester class for Xtea class.
* Tester class for Xtea class.
*
* @package Crypt_Xtea_Test
* @access public
*
* @version $Revision: 1.12 $
* @since 2002/Aug/28
* @author Jeroen Derks <jeroen@derks.it>
*/
class Crypt_XteaTest extends PHPUnit_TestCase
{
var $obj;
var $data;
var $key;
function Crypt_XteaTest($method) {
global $profiling;
$this->profiling = $profiling;
$this->PHPUnit_TestCase($method);
}
function setUp() {
$this->obj = new Crypt_Xtea();
$this->key = '0123456789abcdeffedcba9876543210';
if (!$this->profiling) $this->startTimer('data');
//$this->data = '1'; return;
//$this->data = '01234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; return;
$this->data = '';
for ($i = 0; $i < 256; ++$i) {
$this->data .= chr($i & 0xff);
}
if (!$this->profiling) $this->endTimer('data');
}
function testIter() {
$this->obj->setIter(36);
$this->assertEquals(36, $this->obj->getIter());
}
function testCrypt() {
$start = IsSet($this->profiling) && $this->profiling ? strlen($this->data) - 3 : 0;
if (0 == $start) {
$walker = '-\|/';
echo "Testing... ";
flush();
}
for ($i = $start; $i < strlen($this->data); ++$i)
{
if (0 == $start) {
echo $walker{$i % 4} . sprintf(" %4u", $i) . str_repeat("", 6);
flush();
}
if (!$this->profiling) $this->startTimer('data');
$data = substr($this->data, 0, $i);
if (!$this->profiling) $this->endTimer('data');
if (!$this->profiling) $this->startTimer('encrypt');
$encrypted = $this->obj->encrypt($data, $this->key);
if (!$this->profiling) $this->endTimer('encrypt');
if (!$this->profiling) $this->startTimer('decrypt');
$decrypted = $this->obj->decrypt($encrypted, $this->key);
if (!$this->profiling) $this->endTimer('decrypt');
if (!$this->profiling) $this->startTimer('assert');
$this->assertEquals(strlen($data), strlen($decrypted));
$this->assertEquals($data, $decrypted, "run $i failed: expected '***' (".strlen($data)."), actual '***' (".strlen($decrypted).")");
if (!$this->profiling) $this->endTimer('assert');
}
if (0 == $start) {
echo "
";
flush();
}
}
function _testHuge() {
set_time_limit(99999);
if (!$this->profiling) $this->startTimer('data');
$data = '';
for($i = 0; $i < 1024 * 1024; ++$i)
$data .= chr($i & 0xff);
if (!$this->profiling) $this->endTimer('data');
if (!$this->profiling) $this->startTimer('encrypt');
$encrypted = $this->obj->encrypt($data, $this->key);
if (!$this->profiling) $this->endTimer('encrypt');
if (!$this->profiling) $this->startTimer('decrypt');
$decrypted = $this->obj->decrypt($encrypted, $this->key);
if (!$this->profiling) $this->endTimer('decrypt');
if (!$this->profiling) $this->startTimer('assert');
$this->assertEquals(strlen($data), strlen($decrypted));
$this->assertEquals($data, $decrypted, "run $i failed: expected '***' (".strlen($data)."), actual '***' (".strlen($decrypted).")");
if (!$this->profiling) $this->endTimer('assert');
}
function testCipher() {
if (!$this->profiling) $this->startTimer('data');
$v = array(0x1, 0x61000000);
$v = array(0x12345678, 0xffffffff);
$w = array(0, 0);
$k = array(0x01234567, 0x89abcdef, 0x01234567, 0x89abcdef);
if (!$this->profiling) $this->endTimer('data');
printf("original:\n");
printf("v[0] = %10lu (0x%8lx)\n", $v[0], $v[0]);
printf("v[1] = %10lu (0x%8lx)\n", $v[1], $v[1]);
if (!$this->profiling) $this->startTimer('encipher');
$this->obj->_encipherLong($v[0], $v[1], $w, $k);
if (!$this->profiling) $this->endTimer('encipher');
printf("encrypted:\n");
printf("w[0] = %10lu (0x%8lx)\n", $w[0], $w[0]);
printf("w[1] = %10lu (0x%8lx)\n", $w[1], $w[1]);
if (!$this->profiling) $this->startTimer('decipher');
$this->obj->_decipherLong($w[0], $w[1], $r, $k);
if (!$this->profiling) $this->endTimer('decipher');
printf("decrypted:\n");
printf("v[0] = %10lu (0x%8lx)\n", $r[0], $r[0]);
printf("v[1] = %10lu (0x%8lx)\n", $r[1], $r[1]);
if (!$this->profiling) $this->startTimer('assert');
$this->assertEquals((int) $v[0], $r[0], sprintf("$v[0] (%lu = 0x%lx) != $r[0] (%lu = 0x%lx)", $v[0], $v[0], $r[0], $r[0]));
$this->assertEquals((int) $v[1], $r[1], sprintf("$v[1] (%lu = 0x%lx) != $r[1] (%lu = 0x%lx)", $v[1], $v[1], $r[1], $r[1]));
if (!$this->profiling) $this->endTimer('assert');
}
function testShift() {
$x = -12345678;
$n = 2;
$y = $this->obj->_rshift($x, $n);
$z = $x << $n;
$this->assertEquals((int) 0x3fd0e7ac, $y, "$x >> $n");
$this->assertEquals((int) 0xfd0e7ac8, $z, "$x << $n");
$x = 0xffffffff;
$n = 5;
$y = $this->obj->_rshift($x, $n);
$z = $x << $n;
$this->assertEquals((int) 0x7ffffff, $y, "$x >> $n");
$this->assertEquals((int) 0xffffffe0, $z, "$x << $n");
$x = 0x90000000;
$n = 2;
$y = $this->obj->_rshift($x, $n);
$z = $x << $n;
$this->assertEquals((int) 0x24000000, $y, "$x >> $n");
$this->assertEquals((int) 0x40000000, $z, "$x << $n");
}
function testAdd() {
$result = $this->obj->_add(-0x12345678, 0xfffffffe, 0x80000000, 0xfedcba98, 0xabcdef01);
$this->assertEquals((int) 0x1876531f, $result, '_add(-0x12345678, 0xfffffffe, 0x80000000, 0xfedcba98, 0xabcdef01)');
}
function tearDown() {
$this->obj = NULL;
}
function startTimer($label) {
$time0 = strtok(microtime(), ' ');
$time1 = strtok(' ');
$timer =& $this->_getTimer();
$timer[$label][] = (string) $time1 . substr($time0, 1);
}
function endTimer($label) {
$time0 = strtok(microtime(), ' ');
$time1 = strtok(' ');
$timer =& $this->_getTimer();
$timer[$label][] = (string) $time1 . substr($time0, 1);
}
/**
* @static
*/
function &_getTimer() {
static $timing = NULL;
if (!IsSet($timing))
{
$time0 = strtok(microtime(), ' ');
$time1 = strtok(' ');
// start _global
$timing = array('_global' => array((string) $time1 . substr($time0, 1)));
}
return $timing;
}
/**
* @static
*/
function getTimings() {
$time0 = strtok(microtime(), ' ');
$time1 = strtok(' ');
$timer =& Crypt_XteaTest::_getTimer();
$timer['_global'][1] = (string) $time1 . substr($time0, 1);
$labels = array_keys($timer);
$results = array();
// calculate times and calls
sort($labels);
foreach ($labels as $label) {
$results[$label]['time'] = 0.0;
$results[$label]['calls'] = 0;
$n = count($timer[$label]);
for ($i = 0; $i < $n; $i += 2) {
$results[$label]['time'] += (float) $timer[$label][$i + 1] - $timer[$label][$i];
++$results[$label]['calls'];
}
}
// calculate percentages
foreach ($labels as $label) {
$results[$label]['perc'] = ( $results[$label]['time'] * 100.0 ) / $results['_global']['time'];
}
// output results
echo "Timing results:\n" .
sprintf("%-20s %13s %8s %10s%%\n", 'Label', 'time', '#calls', 'perc') .
str_repeat('-', 57) . "\n";
foreach ($labels as $label) {
printf("%-20s %13s %8lu %10s%%\n",
$label,
sprintf("%.8f", $results[$label]['time']),
$results[$label]['calls'],
sprintf("%.6f", $results[$label]['perc']));
}
}
}
?>
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