diff options
author | Luke Shumaker <LukeShu@sbcglobal.net> | 2012-01-07 08:21:00 -0800 |
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committer | Luke Shumaker <LukeShu@sbcglobal.net> | 2012-01-07 10:20:28 -0800 |
commit | 464f4d3497617fadb9d7752868f1175849cfa6d2 (patch) | |
tree | 0771bd935b30971bf2c244b6f158ed7496b644e5 /src/ext/PasswordHash.class.php | |
parent | 3d64793a1ee45857856be1cd71c3a0a040a3e869 (diff) |
Refactor to separate the framework from the app; drop message stuff, this app is just user management. Add a json view for individual usersHEADmaster
Diffstat (limited to 'src/ext/PasswordHash.class.php')
-rw-r--r-- | src/ext/PasswordHash.class.php | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/src/ext/PasswordHash.class.php b/src/ext/PasswordHash.class.php deleted file mode 100644 index 12958c7..0000000 --- a/src/ext/PasswordHash.class.php +++ /dev/null @@ -1,253 +0,0 @@ -<?php -# -# Portable PHP password hashing framework. -# -# Version 0.3 / genuine. -# -# 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. -# -# The homepage URL for this framework is: -# -# http://www.openwall.com/phpass/ -# -# 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. -# -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; - } -} - -?> |