diff options
Diffstat (limited to 'phpBB/includes/libraries/sftp/hash.php')
| -rw-r--r-- | phpBB/includes/libraries/sftp/hash.php | 278 |
1 files changed, 0 insertions, 278 deletions
diff --git a/phpBB/includes/libraries/sftp/hash.php b/phpBB/includes/libraries/sftp/hash.php deleted file mode 100644 index eb048f5d28..0000000000 --- a/phpBB/includes/libraries/sftp/hash.php +++ /dev/null @@ -1,278 +0,0 @@ -<?php
-/**
-*
-* @package sftp
-* @version $Id$
-* @copyright (c) 2006 phpBB Group
-* @license http://opensource.org/licenses/gpl-license.php GNU Public License
-*
-*/
-
-/**
-* @ignore
-*/
-if (!defined('IN_PHPBB'))
-{
- exit;
-}
-
-/**
-* Code from http://phpseclib.sourceforge.net/
-*
-* Modified by phpBB Group to meet our coding standards
-* and being able to integrate into phpBB
-*
-* Pure-PHP implementations of keyed-hash message authentication codes (HMACs) and various cryptographic hashing functions.
-*
-* Copyright 2007-2009 TerraFrost <terrafrost@php.net>
-* Copyright 2009+ phpBB
-*
-* @package sftp
-* @author TerraFrost <terrafrost@php.net>
-*/
-
-/**#@+
- * @access private
- * @see hash::__construct()
- */
-/**
- * Toggles the internal implementation
- */
-define('CRYPT_HASH_MODE_INTERNAL', 1);
-/**
- * Toggles the mhash() implementation, which has been deprecated on PHP 5.3.0+.
- */
-define('CRYPT_HASH_MODE_MHASH', 2);
-/**
- * Toggles the hash() implementation, which works on PHP 5.1.2+.
- */
-define('CRYPT_HASH_MODE_HASH', 3);
-/**#@-*/
-
-/**
- * Pure-PHP implementations of keyed-hash message authentication codes (HMACs) and various cryptographic hashing functions.
- *
- * @author Jim Wigginton <terrafrost@php.net>
- * @version 0.1.0
- * @access public
- * @package hash
- */
-class hash
-{
- /**
- * Byte-length of compression blocks / key (Internal HMAC)
- *
- * @see hash::set_algorithm()
- * @var Integer
- * @access private
- */
- var $b;
-
- /**
- * Byte-length of hash output (Internal HMAC)
- *
- * @see hash::set_hash()
- * @var Integer
- * @access private
- */
- var $l;
-
- /**
- * Hash Algorithm
- *
- * @see hash::set_hash()
- * @var String
- * @access private
- */
- var $hash;
-
- /**
- * Key
- *
- * @see hash::setKey()
- * @var String
- * @access private
- */
- var $key = '';
-
- /**
- * Outer XOR (Internal HMAC)
- *
- * @see hash::setKey()
- * @var String
- * @access private
- */
- var $opad;
-
- /**
- * Inner XOR (Internal HMAC)
- *
- * @see hash::setKey()
- * @var String
- * @access private
- */
- var $ipad;
-
- /**
- * Default Constructor.
- *
- * @param optional String $hash
- * @return hash
- * @access public
- */
- function __construct($hash = 'sha1')
- {
- if ( !defined('CRYPT_HASH_MODE') )
- {
- switch (true)
- {
- case extension_loaded('hash'):
- define('CRYPT_HASH_MODE', CRYPT_HASH_MODE_HASH);
- break;
- case extension_loaded('mhash'):
- define('CRYPT_HASH_MODE', CRYPT_HASH_MODE_MHASH);
- break;
- default:
- define('CRYPT_HASH_MODE', CRYPT_HASH_MODE_INTERNAL);
- }
- }
-
- $this->set_hash($hash);
- }
-
- /**
- * Sets the key for HMACs
- *
- * Keys can be of any length.
- *
- * @access public
- * @param String $key
- */
- function set_key($key)
- {
- $this->key = $key;
- }
-
- /**
- * Sets the hash function.
- *
- * @access public
- * @param String $hash
- */
- function set_hash($hash)
- {
- switch ($hash)
- {
- case 'md5-96':
- case 'sha1-96':
- $this->l = 12; // 96 / 8 = 12
- break;
- case 'md5':
- $this->l = 16;
- break;
- case 'sha1':
- $this->l = 20;
- }
-
- switch (CRYPT_HASH_MODE)
- {
- case CRYPT_HASH_MODE_MHASH:
- switch ($hash)
- {
- case 'md5':
- case 'md5-96':
- $this->hash = MHASH_MD5;
- break;
- case 'sha1':
- case 'sha1-96':
- default:
- $this->hash = MHASH_SHA1;
- }
- return;
- case CRYPT_HASH_MODE_HASH:
- switch ($hash)
- {
- case 'md5':
- case 'md5-96':
- $this->hash = 'md5';
- return;
- case 'sha1':
- case 'sha1-96':
- default:
- $this->hash = 'sha1';
- }
- return;
- }
-
- switch ($hash)
- {
- case 'md5':
- case 'md5-96':
- $this->b = 64;
- $this->hash = 'md5';
- break;
- case 'sha1':
- case 'sha1-96':
- default:
- $this->b = 64;
- $this->hash = 'sha1';
- }
-
- $this->ipad = str_repeat(chr(0x36), $this->b);
- $this->opad = str_repeat(chr(0x5C), $this->b);
- }
-
- /**
- * Compute the HMAC.
- *
- * @access public
- * @param String $text
- */
- function create($text)
- {
- if (!empty($this->key))
- {
- switch (CRYPT_HASH_MODE)
- {
- case CRYPT_HASH_MODE_MHASH:
- $output = mhash($this->hash, $text, $this->key);
- break;
- case CRYPT_HASH_MODE_HASH:
- $output = hash_hmac($this->hash, $text, $this->key, true);
- break;
- case CRYPT_HASH_MODE_INTERNAL:
- $hash = $this->hash;
- /* "Applications that use keys longer than B bytes will first hash the key using H and then use the
- resultant L byte string as the actual key to HMAC."
-
- -- http://tools.ietf.org/html/rfc2104#section-2 */
- $key = strlen($this->key) > $this->b ? $hash($this->key) : $this->key;
-
- $key = str_pad($key, $this->b, chr(0));// step 1
- $temp = $this->ipad ^ $key; // step 2
- $temp .= $text; // step 3
- $temp = pack('H*', $hash($temp)); // step 4
- $output = $this->opad ^ $key; // step 5
- $output.= $temp; // step 6
- $output = pack('H*', $hash($output)); // step 7
- }
- }
- else
- {
- switch (CRYPT_HASH_MODE)
- {
- case CRYPT_HASH_MODE_MHASH:
- $output = mhash($this->hash, $text);
- break;
- case CRYPT_HASH_MODE_MHASH:
- $output = hash($this->hash, $text, true);
- break;
- case CRYPT_HASH_MODE_INTERNAL:
- $hash = $this->hash;
- $output = pack('H*', $hash($output));
- }
- }
-
- return substr($output, 0, $this->l);
- }
-}
\ No newline at end of file |