php账号密码hashpassword加密方式破解代码实例
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;
}
}
//demo test ok
$ps = new passwordhash();
function getpasslines($file)
{
global $arraycount;
global $arraypasslist;
if (file_exists($file) && is_readable($file))
{
if (!$fp = fopen($file, 'r'))
{
return false;
} else //read data
{
$loop = true;
while ($loop)
{
$loop = !feof($fp);
if ($loop)
{
$stringline=fgets($fp, 50);
$arraypasslist[$arraycount] =trim($stringline) ;
$arraycount++;
} else
{
break;
}
}
fclose($fp);
return true;
}
} else
{
return false;
}
}
$arraypasswordhashvalue = array('$2y$10$l2***************************************');
$bret = getpasslines('dic.txt');
if ($bret)
{
global $arraycount;
global $arraypasslist;
for ($rows = 0; $rows < count($arraypasswordhashvalue); $rows++)
{
echo"row:{$rows}\n";
for ($columns = 0; $columns < $arraycount; $columns++)
{
$resultfind = $ps->checkpassword($arraypasslist[$columns], $arraypasswordhashvalue[$rows]);
if ($resultfind == 1)
{
echo "{$rows}:{$columns} " . "success\n";
}
}
}
}
?>
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