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<?
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function verify_pass_complexity($password, $username, $min_len)
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{
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$ch = array();
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$num_count = 0;
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$upper_case = 0;
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$lower_case = 0;
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$len = strlen($password);
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if ($len < $min_len)
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{
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return false;
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}
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if (strstr(strtoupper($password), strtoupper($username)) !== false)
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{
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return false;
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}
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for ($i = 0; $i < $len; $i++)
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{
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$c = $password[$i];
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if (isset($ch[$c]))
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{
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$ch[$c]++;
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if ($ch[$c] >= 3)
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{
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return false;
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}
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}
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else
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{
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$ch[$c] = 1;
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}
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if (is_numeric($c))
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{
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$num_count++;
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if ($num_count >= 3)
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{
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return false;
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}
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}
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if (ord($c) >= ord('A') && ord($c) <= ord('Z'))
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{
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$upper_case++;
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}
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if (ord($c) >= ord('a') && ord($c) <= ord('z'))
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{
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$lower_case++;
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}
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}
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if ($upper_case==0 || $lower_case==0 || $num_count==0)
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{
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return false;
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}
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return true;
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}
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function gen_passwd($len)
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{
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$str = "";
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for ($i = 0; $i < $len; $i++)
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{
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mt_srand(intval(microtime(true) * 1000000));
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$num = mt_rand(0, 61);
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$str .= chr($num < 10 ? (ord("0") + $num) : ($num < 36 ? (ord("A") + $num - 10) : (ord("a") + $num - 36)));
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}
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return $str;
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}
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?>
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