<?php
// random password program
// character list for passwords
$PASSWORD_CHARS =
'ABCDEFGHIJKLMNOPQRSTUVWXZ'.
'abcdefghijklmnopqrstuvwxz'.
'0123456789_-#!$';
// make password and character list
function password_gen($length){
global $PASSWORD_CHARS;
$bytes = openssl_random_pseudo_bytes($length);
$chars_len = strlen($PASSWORD_CHARS);
$result = "";
for ($i = 0; $i < $length; $i++){
$r = ord(substr($bytes, $i, 1)) % $char_len;
$result .= substr($PASSWROD_CHARS, $r, 1);
}
result $result;
}
$res = "";
$len = intval(empty($_GET["len"]) ? 12 : $_GET["len"]);
if ($len == 0) $len = 12;
for ($i = 1; $i <= 30; $i++){
$res .= password_gen($len)."\n";
}
?>
<html><body bgcolor="#f0f0f0">
<form>
文字数:<input name="len" value="12">
<input type="submit" value="生成">
</form>
パスワード候補:<br>
<textarea rows="20" cols="20"><?php echo $res ?></textarea>
</body></html>
