wordpress password hasher

Januari 18, 2013

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langsung aja gan,,pas ane buat encode tool ane mikir untuk nambahin wordpress hasher, eh alhamdulillah di google langsung ketemu..ni gan sc nya<br />
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<pre class="brush:php"><?php
require_once( '/path/to/wp-includes/class-phpass.php' );
$wp_hasher = new PasswordHash( 8, TRUE );
$password = 'swordfish';
$hashed_password = $wp_hasher->HashPassword( $password );
?></pre>
dan ini script <i>class-phpass.php</i> nya(ane copas dri folder wp-includes punya ane)

<br />
<pre class="brush:phpp"><?php
/**
 * Portable PHP password hashing framework.
 * @package phpass
 * @since 2.5
 * @version 0.3 / WordPress
 * @link http://www.openwall.com/phpass/
 */

#
# Written by Solar Designer <solar at openwall.com> in 2004-2006 and placed in
# the public domain.  Revised in subsequent years, still public domain.
#
# There's absolutely no warranty.
#
# Please be sure to update the Version line if you edit this file in any way.
# It is suggested that you leave the main version number intact, but indicate
# your project name (after the slash) and add your own revision information.
#
# Please do not change the "private" password hashing method implemented in
# here, thereby making your hashes incompatible.  However, if you must, please
# change the hash type identifier (the "$P$") to something different.
#
# Obviously, since this code is in the public domain, the above are not
# requirements (there can be none), but merely suggestions.
#

/**
 * Portable PHP password hashing framework.
 *
 * @package phpass
 * @version 0.3 / WordPress
 * @link http://www.openwall.com/phpass/
 * @since 2.5
 */
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() . uniqid(rand(), TRUE); // removed getmypid() for compatibility reasons
 }

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;
 }
}

?></pre>
ni yg udah ane jadiin genetator gan,

<br />
<pre class="brush:php"><?php
/*http://www.facebook.com/RieqyNS13*/
require_once("class-phpass.php");
if(isset($_POST['btnSubmit'])){
 if(!empty($_POST['txString'])){
  $wp_hasher = new PasswordHash( 8, TRUE );
  $password = trim($_POST['txString']);
  $wp_hash = $wp_hasher->HashPassword($password);
 }else{
  $password = null;
  $wp_hash = null;
 } 
}else{
$wp_hash = null;
$password = null;
}
?>
<html>
<head><title>wp hasher</title></head>
<body>
<form action="<?php $_SERVER['PHP_SELF']; ?>" method=POST>
<table>
<tr><td style="text-align:right;">Password</td><td><input type="text" name="txString" size="60px" value="<?php echo $password; ?>"></td></tr>
<tr><td style="text-align:right;">WP Password </td><td><input type="text" size="60px" value="<?php echo $wp_hash; ?>"></td></tr>
<tr><td style="text-align:center;"><input type="submit" name="btnSubmit" value="Encrypt"></td></tr>
</table>
</form>
</body>
</html></pre>
<pre class="brush:php"><a href="http://wordpress.stackexchange.com/questions/31994/how-wordpress-encrypt-password">Referensi</a></pre>
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