package.xml 100644 1751 0 4243 100644 6164
Crypt_CHAPpear.php.netGenerating CHAP packets.This package provides Classes for generating CHAP packets.
Currently these types of CHAP are supported:
* CHAP-MD5
* MS-CHAPv1
* MS-CHAPv2
For MS-CHAP the mhash and mcrypt extensions must be loaded.Michael Bretterkliebermbrettermbretter@php.netyes2010-08-281.5.01.5.0stablestableBSD
* switch from mhash to hash
* use real .phpt for tests
5.1.21.4.0b1hashmcrypt1.5.01.5.0alphaalpha2010-08-28BSD
* switch from mhash to hash
* use real .phpt for tests
Crypt_CHAP-1.5.0/tests/Crypt_CHAP.phpt 100644 1751 0 10636 100644 12360 --TEST--
Crypt_CHAP: simple test
--SKIPIF--
--FILE--
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. The names of the authors may not be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
This code cannot simply be copied and put under the GNU Public License or
any other GPL-like (LGPL, GPL2) License.
$Id: chaptest.php 231819 2007-03-14 07:39:07Z mbretter $
*/
chdir (dirname(__FILE__));
if (file_exists('../CHAP.php')) {
require_once '../CHAP.php';
} else {
require_once 'Crypt/CHAP.php';
}
echo "CHAP-MD5 TEST\n";
$crpt = new Crypt_CHAP_MD5;
$crpt->password = 'MyPw';
$crpt->chapid = 1;
$crpt->challenge = pack('H*', '102DB5DF085D3041');
printf ("ChallResp : %s\n", bin2hex($crpt->challengeResponse()));
echo "\n";
echo "CHAP-MD5 TEST 2\n";
$crpt = new Crypt_CHAP_MD5;
$crpt->password = 'sepp';
$crpt->chapid = 1;
$crpt->challenge = pack('H*', '102DB5DF085D3041');
printf ("ChallResp : %s\n", bin2hex($crpt->challengeResponse()));
echo "\n";
echo "MS-CHAPv1 str2unicode\n";
$crpt = new Crypt_CHAP_MSv1;
printf("Passed 123 as Number:%s\n", bin2hex($crpt->str2unicode(123)));
printf("Passed 123 as String:%s\n", bin2hex($crpt->str2unicode('123')));
echo "\n";
echo "MS-CHAPv1 TEST\n";
$crpt->password = 'MyPw';
$crpt->challenge = pack('H*', '102DB5DF085D3041');
$unipw = $crpt->str2unicode($crpt->password);
printf ("Unicode PW: %s\n", bin2hex($unipw));
printf ("NT HASH : %s\n", bin2hex($crpt->ntPasswordHash()));
printf ("NT Resp : %s\n", bin2hex($crpt->challengeResponse()));
printf ("LM HASH : %s\n", bin2hex($crpt->lmPasswordHash()));
printf ("LM Resp : %s\n", bin2hex($crpt->lmChallengeResponse()));
//printf ("Response : %s\nexpected : unknown\n", bin2hex($crpt->response()));
echo "\n";
echo "MS-CHAPv2 TEST\n";
$crpt = new Crypt_CHAP_MSv2;
$crpt->username = 'User';
$crpt->password = 'clientPass';
printf ("Username : %s\n", bin2hex($crpt->username));
$crpt->authChallenge = pack('H*', '5b5d7c7d7b3f2f3e3c2c602132262628');
$crpt->peerChallenge = pack('H*', '21402324255E262A28295F2B3A337C7E');
$nthash = $crpt->ntPasswordHash();
printf ("NT HASH : %s\n", bin2hex($nthash));
$nthashhash = $crpt->ntPasswordHashHash($nthash);
printf ("NT HASH-HASH : %s\n", bin2hex($nthashhash));
printf ("ChallResp : %s\n", bin2hex($crpt->challengeResponse()));
printf ("Challenge : %s\n", bin2hex($crpt->challenge));
echo "\n";
?>
--EXPECT--
CHAP-MD5 TEST
ChallResp : 8f028814450d66d94c72331ef455a172
CHAP-MD5 TEST 2
ChallResp : d39bfaf5d6855a948c8c81a85947502c
MS-CHAPv1 str2unicode
Passed 123 as Number:310032003300
Passed 123 as String:310032003300
MS-CHAPv1 TEST
Unicode PW: 4d00790050007700
NT HASH : fc156af7edcd6c0edde3337d427f4eac
NT Resp : 4e9d3c8f9cfd385d5bf4d3246791956ca4c351ab409a3d61
LM HASH : 75ba30198e6d1975aad3b435b51404ee
LM Resp : 91881d0152ab0c33c524135ec24a95ee64e23cdc2d33347d
MS-CHAPv2 TEST
Username : 55736572
NT HASH : 44ebba8d5312b8d611474411f56989ae
NT HASH-HASH : 41c00c584bd2d91c4017a2a12fa59f3f
ChallResp : 82309ecd8d708b5ea08faa3981cd83544233114a3d85d6df
Challenge : d02e4386bce91226
Crypt_CHAP-1.5.0/CHAP.php 100644 1751 0 30715 100644 7651
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. The names of the authors may not be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
This code cannot simply be copied and put under the GNU Public License or
any other GPL-like (LGPL, GPL2) License.
$Id: CHAP.php 302857 2010-08-28 21:12:59Z mbretter $
*/
require_once 'PEAR.php';
/**
* Classes for generating packets for various CHAP Protocols:
* CHAP-MD5: RFC1994
* MS-CHAPv1: RFC2433
* MS-CHAPv2: RFC2759
*
* @package Crypt_CHAP
* @author Michael Bretterklieber
* @access public
* @version $Revision: 302857 $
*/
/**
* class Crypt_CHAP
*
* Abstract base class for CHAP
*
* @package Crypt_CHAP
*/
class Crypt_CHAP extends PEAR
{
/**
* Random binary challenge
* @var string
*/
var $challenge = null;
/**
* Binary response
* @var string
*/
var $response = null;
/**
* User password
* @var string
*/
var $password = null;
/**
* Id of the authentication request. Should incremented after every request.
* @var integer
*/
var $chapid = 1;
/**
* Constructor
*
* Generates a random challenge
* @return void
*/
function Crypt_CHAP()
{
$this->PEAR();
$this->generateChallenge();
}
/**
* Generates a random binary challenge
*
* @param string $varname Name of the property
* @param integer $size Size of the challenge in Bytes
* @return void
*/
function generateChallenge($varname = 'challenge', $size = 8)
{
$this->$varname = '';
for ($i = 0; $i < $size; $i++) {
$this->$varname .= pack('C', 1 + mt_rand() % 255);
}
return $this->$varname;
}
/**
* Generates the response. Overwrite this.
*
* @return void
*/
function challengeResponse()
{
}
}
/**
* class Crypt_CHAP_MD5
*
* Generate CHAP-MD5 Packets
*
* @package Crypt_CHAP
*/
class Crypt_CHAP_MD5 extends Crypt_CHAP
{
/**
* Generates the response.
*
* CHAP-MD5 uses MD5-Hash for generating the response. The Hash consists
* of the chapid, the plaintext password and the challenge.
*
* @return string
*/
function challengeResponse()
{
return pack('H*', md5(pack('C', $this->chapid) . $this->password . $this->challenge));
}
}
/**
* class Crypt_CHAP_MSv1
*
* Generate MS-CHAPv1 Packets. MS-CHAP doesen't use the plaintext password, it uses the
* NT-HASH wich is stored in the SAM-Database or in the smbpasswd, if you are using samba.
* The NT-HASH is MD4(str2unicode(plaintextpass)).
* You need the hash extension for this class.
*
* @package Crypt_CHAP
*/
class Crypt_CHAP_MSv1 extends Crypt_CHAP
{
/**
* Wether using deprecated LM-Responses or not.
* 0 = use LM-Response, 1 = use NT-Response
* @var bool
*/
var $flags = 1;
/**
* Constructor
*
* Loads the hash extension
* @return void
*/
function Crypt_CHAP_MSv1()
{
$this->Crypt_CHAP();
$this->loadExtension('hash');
}
/**
* Generates the NT-HASH from the given plaintext password.
*
* @access public
* @return string
*/
function ntPasswordHash($password = null)
{
if (isset($password)) {
return pack('H*',hash('md4', $this->str2unicode($password)));
} else {
return pack('H*',hash('md4', $this->str2unicode($this->password)));
}
}
/**
* Converts ascii to unicode.
*
* @access public
* @return string
*/
function str2unicode($str)
{
$uni = '';
$str = (string) $str;
for ($i = 0; $i < strlen($str); $i++) {
$a = ord($str{$i}) << 8;
$uni .= sprintf("%X", $a);
}
return pack('H*', $uni);
}
/**
* Generates the NT-Response.
*
* @access public
* @return string
*/
function challengeResponse()
{
return $this->_challengeResponse();
}
/**
* Generates the NT-Response.
*
* @access public
* @return string
*/
function ntChallengeResponse()
{
return $this->_challengeResponse(false);
}
/**
* Generates the LAN-Manager-Response.
*
* @access public
* @return string
*/
function lmChallengeResponse()
{
return $this->_challengeResponse(true);
}
/**
* Generates the response.
*
* Generates the response using DES.
*
* @param bool $lm wether generating LAN-Manager-Response
* @access private
* @return string
*/
function _challengeResponse($lm = false)
{
if ($lm) {
$hash = $this->lmPasswordHash();
} else {
$hash = $this->ntPasswordHash();
}
while (strlen($hash) < 21) {
$hash .= "\0";
}
$td = mcrypt_module_open(MCRYPT_DES, '', MCRYPT_MODE_ECB, '');
$iv = mcrypt_create_iv (mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
$key = $this->_desAddParity(substr($hash, 0, 7));
mcrypt_generic_init($td, $key, $iv);
$resp1 = mcrypt_generic($td, $this->challenge);
mcrypt_generic_deinit($td);
$key = $this->_desAddParity(substr($hash, 7, 7));
mcrypt_generic_init($td, $key, $iv);
$resp2 = mcrypt_generic($td, $this->challenge);
mcrypt_generic_deinit($td);
$key = $this->_desAddParity(substr($hash, 14, 7));
mcrypt_generic_init($td, $key, $iv);
$resp3 = mcrypt_generic($td, $this->challenge);
mcrypt_generic_deinit($td);
mcrypt_module_close($td);
return $resp1 . $resp2 . $resp3;
}
/**
* Generates the LAN-Manager-HASH from the given plaintext password.
*
* @access public
* @return string
*/
function lmPasswordHash($password = null)
{
$plain = isset($password) ? $password : $this->password;
$plain = substr(strtoupper($plain), 0, 14);
while (strlen($plain) < 14) {
$plain .= "\0";
}
return $this->_desHash(substr($plain, 0, 7)) . $this->_desHash(substr($plain, 7, 7));
}
/**
* Generates an irreversible HASH.
*
* @access private
* @return string
*/
function _desHash($plain)
{
$key = $this->_desAddParity($plain);
$td = mcrypt_module_open(MCRYPT_DES, '', MCRYPT_MODE_ECB, '');
$iv = mcrypt_create_iv (mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
mcrypt_generic_init($td, $key, $iv);
$hash = mcrypt_generic($td, 'KGS!@#$%');
mcrypt_generic_deinit($td);
mcrypt_module_close($td);
return $hash;
}
/**
* Adds the parity bit to the given DES key.
*
* @access private
* @param string $key 7-Bytes Key without parity
* @return string
*/
function _desAddParity($key)
{
static $odd_parity = array(
1, 1, 2, 2, 4, 4, 7, 7, 8, 8, 11, 11, 13, 13, 14, 14,
16, 16, 19, 19, 21, 21, 22, 22, 25, 25, 26, 26, 28, 28, 31, 31,
32, 32, 35, 35, 37, 37, 38, 38, 41, 41, 42, 42, 44, 44, 47, 47,
49, 49, 50, 50, 52, 52, 55, 55, 56, 56, 59, 59, 61, 61, 62, 62,
64, 64, 67, 67, 69, 69, 70, 70, 73, 73, 74, 74, 76, 76, 79, 79,
81, 81, 82, 82, 84, 84, 87, 87, 88, 88, 91, 91, 93, 93, 94, 94,
97, 97, 98, 98,100,100,103,103,104,104,107,107,109,109,110,110,
112,112,115,115,117,117,118,118,121,121,122,122,124,124,127,127,
128,128,131,131,133,133,134,134,137,137,138,138,140,140,143,143,
145,145,146,146,148,148,151,151,152,152,155,155,157,157,158,158,
161,161,162,162,164,164,167,167,168,168,171,171,173,173,174,174,
176,176,179,179,181,181,182,182,185,185,186,186,188,188,191,191,
193,193,194,194,196,196,199,199,200,200,203,203,205,205,206,206,
208,208,211,211,213,213,214,214,217,217,218,218,220,220,223,223,
224,224,227,227,229,229,230,230,233,233,234,234,236,236,239,239,
241,241,242,242,244,244,247,247,248,248,251,251,253,253,254,254);
$bin = '';
for ($i = 0; $i < strlen($key); $i++) {
$bin .= sprintf('%08s', decbin(ord($key{$i})));
}
$str1 = explode('-', substr(chunk_split($bin, 7, '-'), 0, -1));
$x = '';
foreach($str1 as $s) {
$x .= sprintf('%02s', dechex($odd_parity[bindec($s . '0')]));
}
return pack('H*', $x);
}
/**
* Generates the response-packet.
*
* @param bool $lm wether including LAN-Manager-Response
* @access private
* @return string
*/
function response($lm = false)
{
$ntresp = $this->ntChallengeResponse();
if ($lm) {
$lmresp = $this->lmChallengeResponse();
} else {
$lmresp = str_repeat ("\0", 24);
}
// Response: LM Response, NT Response, flags (0 = use LM Response, 1 = use NT Response)
return $lmresp . $ntresp . pack('C', !$lm);
}
}
/**
* class Crypt_CHAP_MSv2
*
* Generate MS-CHAPv2 Packets. This version of MS-CHAP uses a 16 Bytes authenticator
* challenge and a 16 Bytes peer Challenge. LAN-Manager responses no longer exists
* in this version. The challenge is already a SHA1 challenge hash of both challenges
* and of the username.
*
* @package Crypt_CHAP
*/
class Crypt_CHAP_MSv2 extends Crypt_CHAP_MSv1
{
/**
* The username
* @var string
*/
var $username = null;
/**
* The 16 Bytes random binary peer challenge
* @var string
*/
var $peerChallenge = null;
/**
* The 16 Bytes random binary authenticator challenge
* @var string
*/
var $authChallenge = null;
/**
* Constructor
*
* Generates the 16 Bytes peer and authentication challenge
* @return void
*/
function Crypt_CHAP_MSv2()
{
$this->Crypt_CHAP_MSv1();
$this->generateChallenge('peerChallenge', 16);
$this->generateChallenge('authChallenge', 16);
}
/**
* Generates a hash from the NT-HASH.
*
* @access public
* @param string $nthash The NT-HASH
* @return string
*/
function ntPasswordHashHash($nthash)
{
return pack('H*',hash('md4', $nthash));
}
/**
* Generates the challenge hash from the peer and the authenticator challenge and
* the username. SHA1 is used for this, but only the first 8 Bytes are used.
*
* @access public
* @return string
*/
function challengeHash()
{
return substr(pack('H*',hash('sha1', $this->peerChallenge . $this->authChallenge . $this->username)), 0, 8);
}
/**
* Generates the response.
*
* @access public
* @return string
*/
function challengeResponse()
{
$this->challenge = $this->challengeHash();
return $this->_challengeResponse();
}
}
?>