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Improved file resource usage

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This commit is contained in:
Shoghi Cervantes
2015-01-06 19:04:24 +01:00
parent 042a143dd6
commit ed02026815
2 changed files with 16 additions and 5 deletions
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11
src/pocketmine/utils/Utils.php
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@ -272,9 +272,18 @@ class Utils{
unset($weakEntropy);
if($secure === true){
if(file_exists("/dev/urandom")){
$fp = fopen("/dev/urandom", "rb");
$systemRandom = fread($fp, 64);
fclose($fp);
}else{
$systemRandom = str_repeat("\x00", 64);
}
$strongEntropyValues = [
is_array($startEntropy) ? hash("sha512", $startEntropy[($rounds + $drop) % count($startEntropy)], true) : hash("sha512", $startEntropy, true), //Get a random index of the startEntropy, or just read it
file_exists("/dev/urandom") ? fread(fopen("/dev/urandom", "rb"), 64) : str_repeat("\x00", 64),
$systemRandom,
function_exists("openssl_random_pseudo_bytes") ? openssl_random_pseudo_bytes(64) : str_repeat("\x00", 64),
function_exists("mcrypt_create_iv") ? mcrypt_create_iv(64, MCRYPT_DEV_URANDOM) : str_repeat("\x00", 64),
$value,