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Ищем доступные алгоритмы хеширования для функции crypt #6

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Merged
merged 2 commits into from
May 18, 2017
Merged

Ищем доступные алгоритмы хеширования для функции crypt #6

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c2ae3b4
Ищем доступные алгоритмы хеширования для функции crypt
sergey-dryabzhinsky May 18, 2017
701116c
Используем MD5 алгоритм для crypt()
sergey-dryabzhinsky May 18, 2017
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65 changes: 62 additions & 3 deletions bench.php
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,9 @@

$emptyResult = array(0, '-.---', '-.--', '-.--', 0);

$cryptSalt = null;
$cryptAlgoName = 'default';

// That gives around 256Mb memory use and reasonable test time
$testMemoryFull = 256*1024*1024;
// Arrays are matrix [$dimention] x [$dimention]
Expand All @@ -46,6 +49,9 @@
// Nice dice roll
$stringConcatLoopLimit = 7700000;


/** ---------------------------------- Common functions -------------------------------------------- */

function get_microtime()
{
$time = microtime(true);
Expand Down Expand Up @@ -229,10 +235,53 @@ function getCpuInfo($fireUpCpu = false)
return $cpu;
}

/** ---------------------------------- Code for common variables, tune values -------------------------------------------- */

// Search most common available algo for SALT
// http://php.net/manual/ru/function.crypt.php example #3
$cryptSalt = null;
if (defined('CRYPT_STD_DES') && CRYPT_STD_DES == 1) {
$cryptSalt = 'rl';
$cryptAlgoName = 'Std. DES';
}
if (defined('CRYPT_EXT_DES') && CRYPT_EXT_DES == 1) {
$cryptSalt = '_J9..rasm';
$cryptAlgoName = 'Ext. DES';
}
if (defined('CRYPT_MD5') && CRYPT_MD5 == 1) {
$cryptSalt = '$1$rasmusle$';
$cryptAlgoName = 'MD5';
}

/**
* These are available since 5.3+
* MD5 should be available to all versions.
*/

/*
if (defined('CRYPT_BLOWFISH') && CRYPT_BLOWFISH == 1) {
$cryptSalt = '$2a$07$usesomesillystringforsalt$';
$cryptAlgoName = 'BlowFish';
}
if (defined('CRYPT_SHA256') && CRYPT_SHA256 == 1) {
$cryptSalt = '$5$rounds=5000$usesomesillystringforsalt$';
$cryptAlgoName = 'Sha256';
}
if (defined('CRYPT_SHA512') && CRYPT_SHA512 == 1) {
$cryptSalt = '$6$rounds=5000$usesomesillystringforsalt$';
$cryptAlgoName = 'Sha512';
}
*/

if ($cryptAlgoName != 'MD5' && $cryptAlgoName != 'default') {
print("<pre>\n<<< WARNING >>>\nHashing algorithm MD5 not available for crypt() in this PHP build!\n It should be available in any PHP build.\n</pre>" . PHP_EOL);
}


$cpuInfo = getCpuInfo();
// CPU throttling?
if (abs($cpuInfo['mips'] - $cpuInfo['mhz']) > 400) {
print("<pre>\n<<< WARNING >>>\nCPU is in powersaving mode? Set CPU governor to 'performance'!\nFire up CPU and recalculate MHz!\n</pre>" . PHP_EOL);
print("<pre>\n<<< WARNING >>>\nCPU is in powersaving mode? Set CPU governor to 'performance'!\n Fire up CPU and recalculate MHz!\n</pre>" . PHP_EOL);
$cpuInfo = getCpuInfo(true);
}

Expand Down Expand Up @@ -264,6 +313,8 @@ function getCpuInfo($fireUpCpu = false)
}


/** ---------------------------------- Common functions for tests -------------------------------------------- */

/**
* @return array((int)seconds, (str)seconds, (str)operations/sec), (str)opterations/MHz)
*/
Expand Down Expand Up @@ -292,6 +343,10 @@ function format_result_test($diffSeconds, $opCount, $memory = 0)
}
}


/** ---------------------------------- Tests functions -------------------------------------------- */


function test_01_Math($count = 1400000)
{
$time_start = get_microtime();
Expand Down Expand Up @@ -420,7 +475,7 @@ function test_07_1_Hashing($count = 1300000)

function test_07_2_Crypt($count = 10000)
{
global $stringTest;
global $stringTest, $cryptSalt;
$time_start = get_microtime();
$stringFunctions = array('crypt');
foreach ($stringFunctions as $key => $function) {
Expand All @@ -430,7 +485,7 @@ function test_07_2_Crypt($count = 10000)
}
for ($i = 0; $i < $count; $i++) {
foreach ($stringFunctions as $function) {
$r = call_user_func_array($function, array($stringTest, '_J9..rasm'));
$r = call_user_func_array($function, array($stringTest, $cryptSalt));
}
}
return format_result_test(get_microtime() - $time_start, $count, memory_get_usage(true));
Expand Down Expand Up @@ -645,6 +700,9 @@ function test_17_2_Loop_Undefined_Access($count = 20000000)
include_once 'php5.inc';
}

/** ---------------------------------- Common code -------------------------------------------- */


$total = 0;
$functions = get_defined_functions();
sort($functions['user']);
Expand All @@ -661,6 +719,7 @@ function test_17_2_Loop_Undefined_Access($count = 20000000)
. str_pad("Memory", $padInfo) . " : " . $memoryLimitMb . ' available' . "\n"
. str_pad("PHP version:", $padInfo) . " : " . PHP_VERSION . "\n"
. str_pad("Benchmark version:", $padInfo) . " : " . $scriptVersion . "\n"
. str_pad("Crypt hash algo:", $padInfo) . " : " . $cryptAlgoName . "\n"
. str_pad("Platform:", $padInfo) . " : " . PHP_OS . "\n"
. "$line\n"
. str_pad('TEST NAME', $padLabel) . " :"
Expand Down