我正在尝试使用phpass存储我的用户密码，但我正在努力正确实现它。我有工作代码，但我将密码存储为文本，我所学到的并不安全。根据phpbestpractices.org，最安全的方式是phpass，所以我去了。我尝试阅读他们的教程，但它远远超出了我的技能范围。我在原始代码中所做的更改可以在这里看到：http://www.diffchecker.com/6gw4g2ps我提前道歉，如果我完全宰了它，我还在学习过程中，但你可以信任我会接受任何建议我可以跟随！我试图将include和$ hash_obj向下移动到else语句中，但它告诉我：
警告：include（/home/carlton/public_html/PHPproject/includes/PasswordHash.php）：无法打开流：第40行/home/carlton/public_html/PHPproject/forms/registersecure.php中的权限被拒绝
警告：include（）：无法打开'/home/carlton/public_html/PHPproject/includes/PasswordHash.php'（include_path ='。：/ usr / share / php：/ usr / share / pear'）在第40行的/home/carlton/public_html/PHPproject/forms/registersecure.php
致命错误：第41行的/home/carlton/public_html/PHPproject/forms/registersecure.php中找不到类'PasswordHash'
<?php
include ('/home/carlton/public_html/PHPproject/includes/PasswordHash.php');
$hash_obj = new PasswordHash(8, false);
error_reporting(E_ALL); ini_set('display_errors', 1);
if (empty($_POST)){
?>
<form name="registration" action="registersecure.php" method="POST">
<label for "username">Username: </label>
<input type="text" name="username"/><br />
<label for "password">Password: </label>
<input type="password" name="password"/><br />
<label for "fname">First Name: </label>
<input type="text" name="fname"/><br />
<label for "lname">Last name: </label>
<input type="text" name="lname"/><br />
<label for "email">Email: </label>
<input type="text" name="email"/><br />
<button type="submit">Submit</button>
</form>
<?php
}
else{
$form = $_POST;
$username = $form['username'];
$password = $form['password'];
$fname = $form['fname'];
$lname = $form['lname'];
$email = $form['email'];
$user = 'root';
$pass = 'pdt1848!';
if (strlen($password)>72){die("Password must be less than 73 characters.");
}
$hash = $hash_obj->HashPassword($password);
//if (strlen($hash)>=20){
// $sql = "INSERT INTO users (password)VALUE($hash) ";
// $query = $db->prepare($sql);
// $query->execute(array(':password'=>$hash));
//};
$db = new PDO('mysql:host=localhost;dbname=phpproject', $user, $pass);
$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$sql = "INSERT INTO users (username, password, fname, lname, email)VALUES(:username, :password, :fname, :lname, :email)";
$query = $db->prepare($sql);
$result = $query->execute(array(':username'=>$username, ':password:'=>$hash, ':fname'=>$fname,
':lname'=>$lname, ':email'=>$email));
if ($result){
echo "Thanks for registering with us!";
} else {
echo "Sorry, an error occurred while editing the database. Contact the guy who built this garbage.";
};
};
?>
PasswordHash.php
<?php
class PasswordHash {
var $itoa64;
var $iteration_count_log2;
var $portable_hashes;
var $random_state;
function PasswordHash($iteration_count_log2, $portable_hashes)
{
$this->itoa64 = './0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
if ($iteration_count_log2 < 4 || $iteration_count_log2 > 31)
$iteration_count_log2 = 8;
$this->iteration_count_log2 = $iteration_count_log2;
$this->portable_hashes = $portable_hashes;
$this->random_state = microtime();
if (function_exists('getmypid'))
$this->random_state .= getmypid();
}
function get_random_bytes($count)
{
$output = '';
if (is_readable('/dev/urandom') &&
($fh = @fopen('/dev/urandom', 'rb'))) {
$output = fread($fh, $count);
fclose($fh);
}
if (strlen($output) < $count) {
$output = '';
for ($i = 0; $i < $count; $i += 16) {
$this->random_state =
md5(microtime() . $this->random_state);
$output .=
pack('H*', md5($this->random_state));
}
$output = substr($output, 0, $count);
}
return $output;
}
function encode64($input, $count)
{
$output = '';
$i = 0;
do {
$value = ord($input[$i++]);
$output .= $this->itoa64[$value & 0x3f];
if ($i < $count)
$value |= ord($input[$i]) << 8;
$output .= $this->itoa64[($value >> 6) & 0x3f];
if ($i++ >= $count)
break;
if ($i < $count)
$value |= ord($input[$i]) << 16;
$output .= $this->itoa64[($value >> 12) & 0x3f];
if ($i++ >= $count)
break;
$output .= $this->itoa64[($value >> 18) & 0x3f];
} while ($i < $count);
return $output;
}
function gensalt_private($input)
{
$output = '$P$';
$output .= $this->itoa64[min($this->iteration_count_log2 +
((PHP_VERSION >= '5') ? 5 : 3), 30)];
$output .= $this->encode64($input, 6);
return $output;
}
function crypt_private($password, $setting)
{
$output = '*0';
if (substr($setting, 0, 2) == $output)
$output = '*1';
$id = substr($setting, 0, 3);
# We use "$P$", phpBB3 uses "$H$" for the same thing
if ($id != '$P$' && $id != '$H$')
return $output;
$count_log2 = strpos($this->itoa64, $setting[3]);
if ($count_log2 < 7 || $count_log2 > 30)
return $output;
$count = 1 << $count_log2;
$salt = substr($setting, 4, 8);
if (strlen($salt) != 8)
return $output;
# We're kind of forced to use MD5 here since it's the only
# cryptographic primitive available in all versions of PHP
# currently in use. To implement our own low-level crypto
# in PHP would result in much worse performance and
# consequently in lower iteration counts and hashes that are
# quicker to crack (by non-PHP code).
if (PHP_VERSION >= '5') {
$hash = md5($salt . $password, TRUE);
do {
$hash = md5($hash . $password, TRUE);
} while (--$count);
} else {
$hash = pack('H*', md5($salt . $password));
do {
$hash = pack('H*', md5($hash . $password));
} while (--$count);
}
$output = substr($setting, 0, 12);
$output .= $this->encode64($hash, 16);
return $output;
}
function gensalt_extended($input)
{
$count_log2 = min($this->iteration_count_log2 + 8, 24);
# This should be odd to not reveal weak DES keys, and the
# maximum valid value is (2**24 - 1) which is odd anyway.
$count = (1 << $count_log2) - 1;
$output = '_';
$output .= $this->itoa64[$count & 0x3f];
$output .= $this->itoa64[($count >> 6) & 0x3f];
$output .= $this->itoa64[($count >> 12) & 0x3f];
$output .= $this->itoa64[($count >> 18) & 0x3f];
$output .= $this->encode64($input, 3);
return $output;
}
function gensalt_blowfish($input)
{
# This one needs to use a different order of characters and a
# different encoding scheme from the one in encode64() above.
# We care because the last character in our encoded string will
# only represent 2 bits. While two known implementations of
# bcrypt will happily accept and correct a salt string which
# has the 4 unused bits set to non-zero, we do not want to take
# chances and we also do not want to waste an additional byte
# of entropy.
$itoa64 = './ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
$output = '$2a$';
$output .= chr(ord('0') + $this->iteration_count_log2 / 10);
$output .= chr(ord('0') + $this->iteration_count_log2 % 10);
$output .= '$';
$i = 0;
do {
$c1 = ord($input[$i++]);
$output .= $itoa64[$c1 >> 2];
$c1 = ($c1 & 0x03) << 4;
if ($i >= 16) {
$output .= $itoa64[$c1];
break;
}
$c2 = ord($input[$i++]);
$c1 |= $c2 >> 4;
$output .= $itoa64[$c1];
$c1 = ($c2 & 0x0f) << 2;
$c2 = ord($input[$i++]);
$c1 |= $c2 >> 6;
$output .= $itoa64[$c1];
$output .= $itoa64[$c2 & 0x3f];
} while (1);
return $output;
}
function HashPassword($password)
{
$random = '';
if (CRYPT_BLOWFISH == 1 && !$this->portable_hashes) {
$random = $this->get_random_bytes(16);
$hash =
crypt($password, $this->gensalt_blowfish($random));
if (strlen($hash) == 60)
return $hash;
}
if (CRYPT_EXT_DES == 1 && !$this->portable_hashes) {
if (strlen($random) < 3)
$random = $this->get_random_bytes(3);
$hash =
crypt($password, $this->gensalt_extended($random));
if (strlen($hash) == 20)
return $hash;
}
if (strlen($random) < 6)
$random = $this->get_random_bytes(6);
$hash =
$this->crypt_private($password,
$this->gensalt_private($random));
if (strlen($hash) == 34)
return $hash;
# Returning '*' on error is safe here, but would _not_ be safe
# in a crypt(3)-like function used _both_ for generating new
# hashes and for validating passwords against existing hashes.
return '*';
}
function CheckPassword($password, $stored_hash)
{
$hash = $this->crypt_private($password, $stored_hash);
if ($hash[0] == '*')
$hash = crypt($password, $stored_hash);
return $hash == $stored_hash;
}
}
?>
答案 0 :(得分：0)
您的问题是PHP无法找到（或不允许读取）PasswordHash.php文件。确保您的文件名与require指令中的文件名完全相同（通常路径区分大小写，这意味着PasswordHash.php与passwordHash.php不同。）
你有一个空白页有两个原因：
include（或require）指令无法找到
PasswordHash.php文件，类PasswordHash（在
PHP不知道PasswordHash.php）。我们试图实例化
PHP类给出了一个致命错误并停止执行
脚本。error_reporting(E_ALL); ini_set('display_errors', 1);改变了这一点，但是你在发出致命错误（$hash_obj = new PasswordHash(8, false);）的指令之后包含了这些行，因此它们没有被执行而且脚本无声地死亡。您应该做什么，而不是更改display_error＆amp;运行时的error_reporting属性是更改php.ini文件中的值。
最后，只是一个建议，但为了获得最大的可移植性，您应该在include或require指令中使用相对路径。 （例如require('../includes/PasswordHash.php')）。